产品: 磷酸化 PAK1/2/3 (Ser144+Ser141+Ser139) 抗体
货号: DF2948
描述: Rabbit polyclonal antibody to Phospho-PAK1/2/3 (Ser144+Ser141+Ser139)
应用: WB IHC IF/ICC
反应: Human, Mouse, Rat
预测: Bovine, Horse, Sheep, Rabbit, Dog, Chicken, Xenopus
分子量: 65kDa; 62kD,61kD,58kD(Calculated).
蛋白号: O75914 | Q13153 | Q13177
RRID: AB_2840932

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货期: 当天发货

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产品描述

来源:
Rabbit
应用:
WB 1:1000-3000, IHC 1:50-1:200, IF/ICC
*The optimal dilutions should be determined by the end user.
*Tips:

WB: 适用于变性蛋白样本的免疫印迹检测. IHC: 适用于组织样本的石蜡(IHC-p)或冰冻(IHC-f)切片样本的免疫组化/荧光检测. IF/ICC: 适用于细胞样本的荧光检测. ELISA(peptide): 适用于抗原肽的ELISA检测.

反应:
Human,Mouse,Rat
预测:
Bovine(100%), Horse(100%), Sheep(100%), Rabbit(100%), Dog(100%), Chicken(100%), Xenopus(100%)
克隆:
Polyclonal
特异性:
Phospho-PAK1/2/3 (Ser144+Ser141+Ser139) Antibody detects endogenous levels of PAK1/2/3 only when phosphorylated at PS144+S141+S139.
RRID:
AB_2840932
引用格式: Affinity Biosciences Cat# DF2948, RRID:AB_2840932.
偶联:
Unconjugated.
纯化:
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
保存:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
别名:

展开/折叠

Alpha PAK; Beta PAK; bPAK; CDKN1A; Gamma PAK; hPAK3; MRX30; MRX47; Oligophrenin 3; OPHN3; P21 (CDKN1A) activated kinase 2; P21 (CDKN1A) activated kinase 3; p21 activated kinase 1; p21 activated kinase 2; p21 activated kinase 3; P21 protein (Cdc42/Rac) activated kinase 1; P21 protein (Cdc42/Rac) activated kinase 2; P21 protein (Cdc42/Rac) activated kinase 3; P21/Cdc42/Rac1 activated kinase 1 (STE20 homolog, yeast); P21/Cdc42/Rac1 activated kinase 1 (yeast Ste20 related); P58; P65 PAK; PAK 2; PAK 3; PAK1; PAK2; PAK3; PAK3beta; PAK65; PAKalpha; PAKgamma; S6/H4 kinase; Serine/threonine protein kinase PAK 1; Serine/threonine protein kinase PAK 2; Serine/threonine protein kinase PAK 3; Serine/threonine protein kinase PAK1; Serine/threonine protein kinase PAK2; Serine/threonine protein kinase PAK3; STE20 homolog, yeast; ADRB2; Alpha PAK; Alpha-PAK; MGC130000; MGC130001; p21 activated kinase 1; p21 protein (Cdc42/Rac) activated kinase 1; p21-activated kinase 1; p21/Cdc42/Rac1 activated kinase 1 (yeast Ste20 related); p21/Cdc42/Rac1-activated kinase 1 (STE20 homolog, yeast); p65 PAK; p65-PAK; P68-PAK; PAK alpha; PAK-1; Pak1; PAK1_HUMAN; Paka; PAKalpha; Protein kinase MUK2; Rac/p21-activated kinase; Serine/threonine-protein kinase PAK 1; STE20 homolog yeast; C-t-PAK2; CB422; EC 2.7.11.1; Gamma PAK; Gamma-PAK; hPAK65; Kinase; p21 (CDKN1A) activated kinase 2; p21 (CDKN1A)-activated kinase 2a; p21 activated kinase 2; p21 protein (Cdc42/Rac)-activated kinase 2; p21 protein Cdc42 Rac activated kinase 2; p21-activated kinase 2; p21-activated kinase, 65-KD; p21-activated protein kinase I; p21CDKN1A activated kinase 2; p27; p34; p58; p65PAK; PAK 2; PAK-2; PAK-2p34; Pak2; PAK2_HUMAN; PAK65; PAKgamma; S6 H4 kinase; S6/H4 kinase; Serine threonine protein kinase PAK 2; Serine/threonine protein kinase PAK 2;

抗原和靶标

免疫原:
Uniprot:
基因/基因ID:
表达:
O75914 PAK3_HUMAN:

Restricted to the nervous system. Highly expressed in postmitotic neurons of the developing and postnatal cerebral cortex and hippocampus.

Q13153 PAK1_HUMAN:

Overexpressed in gastric cancer cells and tissues (at protein level) (PubMed:25766321).

Q13177 PAK2_HUMAN:

Ubiquitously expressed. Higher levels seen in skeletal muscle, ovary, thymus and spleen.

序列:
MSDGLDNEEKPPAPPLRMNSNNRDSSALNHSSKPLPMAPEEKNKKARLRSIFPGGGDKTNKKKEKERPEISLPSDFEHTIHVGFDAVTGEFTPDLYGSQMCPGKLPEGIPEQWARLLQTSNITKLEQKKNPQAVLDVLKFYDSKETVNNQKYMSFTSGDKSAHGYIAAHPSSTKTASEPPLAPPVSEEEDEEEEEEEDENEPPPVIAPRPEHTKSIYTRSVVESIASPAVPNKEVTPPSAENANSSTLYRNTDRQRKKSKMTDEEILEKLRSIVSVGDPKKKYTRFEKIGQGASGTVYTALDIATGQEVAIKQMNLQQQPKKELIINEILVMRENKNPNIVNYLDSYLVGDELWVVMEYLAGGSLTDVVTETCMDEGQIAAVCRECLQALDFLHSNQVIHRDIKSDNILLGMDGSVKLTDFGFCAQITPEQSKRSTMVGTPYWMAPEVVTRKAYGPKVDIWSLGIMAIEMVEGEPPYLNENPLRALYLIATNGTPELQNPERLSAVFRDFLNRCLEMDVDRRGSAKELLQHPFLKLAKPLSSLTPLIIAAKEAIKNSSR

MSNNGLDIQDKPPAPPMRNTSTMIGAGSKDAGTLNHGSKPLPPNPEEKKKKDRFYRSILPGDKTNKKKEKERPEISLPSDFEHTIHVGFDAVTGEFTGMPEQWARLLQTSNITKSEQKKNPQAVLDVLEFYNSKKTSNSQKYMSFTDKSAEDYNSSNALNVKAVSETPAVPPVSEDEDDDDDDATPPPVIAPRPEHTKSVYTRSVIEPLPVTPTRDVATSPISPTENNTTPPDALTRNTEKQKKKPKMSDEEILEKLRSIVSVGDPKKKYTRFEKIGQGASGTVYTAMDVATGQEVAIKQMNLQQQPKKELIINEILVMRENKNPNIVNYLDSYLVGDELWVVMEYLAGGSLTDVVTETCMDEGQIAAVCRECLQALEFLHSNQVIHRDIKSDNILLGMDGSVKLTDFGFCAQITPEQSKRSTMVGTPYWMAPEVVTRKAYGPKVDIWSLGIMAIEMIEGEPPYLNENPLRALYLIATNGTPELQNPEKLSAIFRDFLNRCLEMDVEKRGSAKELLQHQFLKIAKPLSSLTPLIAAAKEATKNNH

MSDNGELEDKPPAPPVRMSSTIFSTGGKDPLSANHSLKPLPSVPEEKKPRHKIISIFSGTEKGSKKKEKERPEISPPSDFEHTIHVGFDAVTGEFTGMPEQWARLLQTSNITKLEQKKNPQAVLDVLKFYDSNTVKQKYLSFTPPEKDGFPSGTPALNAKGTEAPAVVTEEEDDDEETAPPVIAPRPDHTKSIYTRSVIDPVPAPVGDSHVDGAAKSLDKQKKKTKMTDEEIMEKLRTIVSIGDPKKKYTRYEKIGQGASGTVFTATDVALGQEVAIKQINLQKQPKKELIINEILVMKELKNPNIVNFLDSYLVGDELFVVMEYLAGGSLTDVVTETCMDEAQIAAVCRECLQALEFLHANQVIHRDIKSDNVLLGMEGSVKLTDFGFCAQITPEQSKRSTMVGTPYWMAPEVVTRKAYGPKVDIWSLGIMAIEMVEGEPPYLNENPLRALYLIATNGTPELQNPEKLSPIFRDFLNRCLEMDVEKRGSAKELLQHPFLKLAKPLSSLTPLIMAAKEAMKSNR

种属预测

种属预测:

score>80的预测可信度较高,可尝试用于WB检测。*预测模型主要基于免疫原序列比对,结果仅作参考,不作为质保凭据。

Species
Results
Score
Horse
100
Bovine
100
Sheep
100
Dog
100
Xenopus
100
Chicken
100
Rabbit
100
Pig
0
Zebrafish
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

翻译修饰 - O75914/Q13153/Q13177 作为底物

Site PTM Type Enzyme
S2 Phosphorylation
S50 Phosphorylation
K58 Ubiquitination
T59 Phosphorylation
K62 Ubiquitination
K124 Ubiquitination
S154 Phosphorylation
S186 Phosphorylation
Y217 Phosphorylation
T218 Phosphorylation
S220 Phosphorylation
K257 Acetylation
S259 Phosphorylation
K269 Acetylation
S272 Phosphorylation
S275 Phosphorylation
Y298 Phosphorylation
K322 Ubiquitination
K404 Ubiquitination
T428 Phosphorylation
K433 Acetylation
K433 Ubiquitination
S435 Phosphorylation
T436 Phosphorylation
T440 Phosphorylation
Y477 Phosphorylation
S524 Phosphorylation
K526 Ubiquitination
K535 Acetylation
K535 Ubiquitination
S558 Phosphorylation
Site PTM Type Enzyme
S2 Acetylation
S2 Phosphorylation
K11 Ubiquitination
T20 Phosphorylation
S21 Phosphorylation Q13153 (PAK1) , Q13976-2 (PRKG1) , P31749 (AKT1)
S28 Phosphorylation
K29 Acetylation
K29 Ubiquitination
S38 Phosphorylation
K39 Ubiquitination
S57 Phosphorylation Q13153 (PAK1)
K63 Acetylation
S79 Phosphorylation
T84 Phosphorylation O95747 (OXSR1)
T109 Phosphorylation Q15831 (STK11)
S110 Phosphorylation
S115 Phosphorylation
Y131 Phosphorylation
S133 Phosphorylation
T136 Phosphorylation
S137 Phosphorylation
S139 Phosphorylation
Y142 Phosphorylation
S144 Phosphorylation Q13153 (PAK1)
T146 Phosphorylation
K148 Ubiquitination
S149 Phosphorylation Q13153 (PAK1)
Y153 Phosphorylation O60674 (JAK2)
S155 Phosphorylation
S156 Phosphorylation
S174 Phosphorylation Q9BWU1 (CDK19)
T185 Phosphorylation
T197 Phosphorylation
S199 Phosphorylation Q13153 (PAK1)
Y201 Phosphorylation O60674 (JAK2)
S204 Phosphorylation Q13153 (PAK1)
T212 Phosphorylation P28482 (MAPK1)
T214 Phosphorylation
T219 Phosphorylation
S220 Phosphorylation
S223 Phosphorylation P68400 (CSNK2A1)
T225 Phosphorylation
T229 Phosphorylation
T230 Phosphorylation
T236 Phosphorylation
S249 Phosphorylation
K256 Acetylation
K256 Sumoylation
K256 Ubiquitination
S259 Phosphorylation
S262 Phosphorylation
Y285 Phosphorylation O60674 (JAK2)
T292 Phosphorylation P27361 (MAPK3)
K309 Ubiquitination
K391 Ubiquitination
T415 Phosphorylation
K420 Acetylation
K420 Ubiquitination
S422 Phosphorylation
T423 Phosphorylation O15530 (PDPK1) , Q8IWQ3 (BRSK2) , Q13153 (PAK1)
T427 Phosphorylation
Y474 Phosphorylation
S491 Phosphorylation
K508 Ubiquitination
S511 Phosphorylation
K513 Acetylation
S528 Phosphorylation
S529 Phosphorylation
T531 Phosphorylation
Site PTM Type Enzyme
S2 Acetylation
S2 Phosphorylation
S19 Phosphorylation Q13177 (PAK2)
S20 Phosphorylation P54646 (PRKAA2) , Q13177 (PAK2)
T21 Phosphorylation
S24 Phosphorylation
T25 Phosphorylation
K28 Acetylation
K28 Ubiquitination
S32 Phosphorylation
S36 Phosphorylation
K38 Acetylation
K38 Ubiquitination
S42 Phosphorylation
K52 Ubiquitination
S55 Phosphorylation Q13177 (PAK2)
S58 Phosphorylation
T60 Phosphorylation
K62 Acetylation
K62 Ubiquitination
S64 Phosphorylation
S75 Phosphorylation
T112 Phosphorylation
K113 Ubiquitination
K128 Acetylation
K128 Ubiquitination
Y130 Phosphorylation P12931 (SRC)
S132 Phosphorylation
T134 Phosphorylation
K136 Ubiquitination
Y139 Phosphorylation
S141 Phosphorylation Q13177 (PAK2)
T143 Phosphorylation
K147 Ubiquitination
S152 Phosphorylation
T154 Phosphorylation
T169 Phosphorylation
K191 Ubiquitination
S192 Phosphorylation Q13177 (PAK2)
Y194 Phosphorylation
T195 Phosphorylation
S197 Phosphorylation Q13177 (PAK2)
G213 Myristoylation
K216 Ubiquitination
S217 Phosphorylation
K226 Ubiquitination
T228 Phosphorylation
K235 Ubiquitination
K254 Ubiquitination
K278 Ubiquitination
K284 Ubiquitination
K299 Ubiquitination
K302 Ubiquitination
K370 Ubiquitination
S381 Phosphorylation
T394 Phosphorylation
K399 Acetylation
K399 Ubiquitination
S401 Phosphorylation
T402 Phosphorylation Q13177 (PAK2)
T406 Phosphorylation
Y443 Phosphorylation
Y453 Phosphorylation
K468 Ubiquitination
K487 Ubiquitination
S490 Phosphorylation
K492 Acetylation
K492 Ubiquitination
K501 Acetylation
K501 Ubiquitination
K504 Ubiquitination
S507 Phosphorylation
S522 Phosphorylation

翻译修饰 - O75914/Q13153/Q13177 作为激酶

Substrate Site Source
O75914-2 (PAK3) S139 Uniprot
O75914-2 (PAK3) T421 Uniprot
P04049 (RAF1) S338 Uniprot
P04049 (RAF1) S339 Uniprot
P17600-1 (SYN1) S605 Uniprot
P19429 (TNNI3) S150 Uniprot
Q02750 (MAP2K1) S298 Uniprot
Q05682 (CALD1) S714 Uniprot
Q05682 (CALD1) S744 Uniprot
Q16659 (MAPK6) S189 Uniprot
Q9UM54-1 (MYO6) T405 Uniprot
Substrate Site Source
O14965 (AURKA) T288 Uniprot
O14965 (AURKA) S342 Uniprot
O15143 (ARPC1B) T21 Uniprot
O95863 (SNAI1) S246 Uniprot
P03372-1 (ESR1) S305 Uniprot
P04049 (RAF1) S338 Uniprot
P04049 (RAF1) S339 Uniprot
P08670 (VIM) S26 Uniprot
P08670 (VIM) S39 Uniprot
P08670 (VIM) S51 Uniprot
P08670 (VIM) S56 Uniprot
P08670 (VIM) S66 Uniprot
P08670 (VIM) S73 Uniprot
P10398 (ARAF) S299 Uniprot
P15056 (BRAF) S446 Uniprot
P16949 (STMN1) S16 Uniprot
P16949 (STMN1) S38 Uniprot
P17600-2 (SYN1) S605 Uniprot
P18669 (PGAM1) S23 Uniprot
P18669 (PGAM1) S118 Uniprot
P19086 (GNAZ) S16 Uniprot
P21333 (FLNA) S2152 Uniprot
P21333 (FLNA) S2292 Uniprot
P21333 (FLNA) S2370 Uniprot
P24844 (MYL9) S20 Uniprot
P29466-1 (CASP1) S376 Uniprot
P31749 (AKT1) S473 Uniprot
P35222 (CTNNB1) S675 Uniprot
P35240-4 (NF2) S435 Uniprot
P35240-6 (NF2) S476 Uniprot
P35240-5 (NF2) S477 Uniprot
P35240-3 (NF2) S518 Uniprot
P36871 (PGM1) T467 Uniprot
P42229 (STAT5A) S780 Uniprot
P46108 (CRK) S41 Uniprot
P49023 (PXN) S258 Uniprot
P49023-2 (PXN) S272 Uniprot
P51114 (FXR1) S420 Uniprot
P52565 (ARHGDIA) S101 Uniprot
P52565 (ARHGDIA) S174 Uniprot
P53350 (PLK1) S49 Uniprot
P53667 (LIMK1) T508 Uniprot
P58012 (FOXL2) S263 Uniprot
P63167 (DYNLL1) S88 Uniprot
P68431 (HIST1H3J) S11 Uniprot
P78545 (ELF3) S207 Uniprot
Q02750-1 (MAP2K1) S298 Uniprot
Q12778 (FOXO1) S256 Uniprot
Q13153-1 (PAK1) S21 Uniprot
Q13153-1 (PAK1) S57 Uniprot
Q13153 (PAK1) S144 Uniprot
Q13153 (PAK1) S149 Uniprot
Q13153-1 (PAK1) S165 Uniprot
Q13153 (PAK1) S199 Uniprot
Q13153-1 (PAK1) S204 Uniprot
Q13153 (PAK1) T423 Uniprot
Q13233 (MAP3K1) S67 Uniprot
Q13352 (ITGB3BP) S28 Uniprot
Q13363 (CTBP1) S158 Uniprot
Q13418 (ILK) T173 Uniprot
Q13418 (ILK) S246 Uniprot
Q14155 (ARHGEF7) S518 Uniprot
Q14247 (CTTN) S405 Uniprot
Q14247 (CTTN) S418 Uniprot
Q15365 (PCBP1) T60 Uniprot
Q15365 (PCBP1) T127 Uniprot
Q15746-1 (MYLK) S18 Uniprot
Q15746 (MYLK) S1772 Uniprot
Q70Z35 (PREX2) S1107 Uniprot
Q7Z628 (NET1) S152 Uniprot
Q8IYU2 (HACE1) S385 Uniprot
Q92934 (BAD) S74 Uniprot
Q92934 (BAD) S75 Uniprot
Q92934 (BAD) S99 Uniprot
Q92934 (BAD) S118 Uniprot
Q92934 (BAD) S134 Uniprot
Q92974-3 (ARHGEF2) S858 Uniprot
Q92974 (ARHGEF2) S886 Uniprot
Q96A00 (PPP1R14A) T38 Uniprot
Q96T58 (SPEN) S3486 Uniprot
Q96T58 (SPEN) T3568 Uniprot
Q99426 (TBCB) S65 Uniprot
Q99426 (TBCB) S128 Uniprot
Q99661 (KIF2C) S111 Uniprot
Q99661 (KIF2C) S192 Uniprot
Q9UQ80 (PA2G4) T261 Uniprot
Q9Y2X7 (GIT1) S508 Uniprot
Q9Y2X7 (GIT1) S700 Uniprot
Q9Y6X9 (MORC2) S739 Uniprot
Substrate Site Source
P00519 (ABL1) S618 Uniprot
P00519 (ABL1) S619 Uniprot
P01106 (MYC) T358 Uniprot
P01106 (MYC) S373 Uniprot
P01106 (MYC) T400 Uniprot
P01236 (PRL) S179 Uniprot
P01236 (PRL) S207 Uniprot
P05412 (JUN) T2 Uniprot
P05412 (JUN) T8 Uniprot
P05412 (JUN) T89 Uniprot
P05412 (JUN) T93 Uniprot
P05412 (JUN) T286 Uniprot
P08670 (VIM) S26 Uniprot
P08670 (VIM) S39 Uniprot
P08670 (VIM) S51 Uniprot
P08670 (VIM) S66 Uniprot
P08670 (VIM) S73 Uniprot
P17600-2 (SYN1) S9 Uniprot
P19105 (MYL12A) S19 Uniprot
P24844 (MYL9) S20 Uniprot
P31152 (MAPK4) S186 Uniprot
P35240 (NF2) S518 Uniprot
P49023 (PXN) S272 Uniprot
P49023 (PXN) S274 Uniprot
P55210 (CASP7) S30 Uniprot
P55210 (CASP7) T173 Uniprot
P55210 (CASP7) S239 Uniprot
P62753 (RPS6) S235 Uniprot
P62753 (RPS6) S236 Uniprot
P62753 (RPS6) S240 Uniprot
P62753 (RPS6) S242 Uniprot
P62805 (HIST4H4) S48 Uniprot
Q04637 (EIF4G1) S895 Uniprot
Q05682 (CALD1) S714 Uniprot
Q05682 (CALD1) S744 Uniprot
Q13177 (PAK2) S19 Uniprot
Q13177 (PAK2) S20 Uniprot
Q13177 (PAK2) S55 Uniprot
Q13177 (PAK2) S141 Uniprot
Q13177 (PAK2) S192 Uniprot
Q13177 (PAK2) S197 Uniprot
Q13177 (PAK2) T402 Uniprot
Q15746 (MYLK) S1208 Uniprot
Q15746 (MYLK) S1759 Uniprot
Q15746-1 (MYLK) S1760 Uniprot
Q15796 (SMAD2) S417 Uniprot
Q16659 (MAPK6) S189 Uniprot
Q70Z35 (PREX2) S1107 Uniprot
Q9BUB5 (MKNK1) S39 Uniprot

研究背景

功能:

Serine/threonine protein kinase that plays a role in a variety of different signaling pathways including cytoskeleton regulation, cell migration, or cell cycle regulation. Plays a role in dendrite spine morphogenesis as well as synapse formation and plasticity. Acts as downstream effector of the small GTPases CDC42 and RAC1. Activation by the binding of active CDC42 and RAC1 results in a conformational change and a subsequent autophosphorylation on several serine and/or threonine residues. Phosphorylates MAPK4 and MAPK6 and activates the downstream target MAPKAPK5, a regulator of F-actin polymerization and cell migration. Additionally, phosphorylates TNNI3/troponin I to modulate calcium sensitivity and relaxation kinetics of thin myofilaments. May also be involved in early neuronal development.

翻译修饰:

Autophosphorylated when activated by CDC42/p21.

Neddylated.

细胞定位:

Cytoplasm.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
组织特异性:

Restricted to the nervous system. Highly expressed in postmitotic neurons of the developing and postnatal cerebral cortex and hippocampus.

亚基结构:

Interacts tightly with GTP-bound but not GDP-bound CDC42/p21 and RAC1. Shows highly specific binding to the SH3 domains of phospholipase C-gamma and of adapter protein NCK. Interacts with the C-terminal of APP (By similarity). Interacts with ARHGEF6 and ARHGEF7.

蛋白家族:

Belongs to the protein kinase superfamily. STE Ser/Thr protein kinase family. STE20 subfamily.

功能:

Protein kinase involved in intracellular signaling pathways downstream of integrins and receptor-type kinases that plays an important role in cytoskeleton dynamics, in cell adhesion, migration, proliferation, apoptosis, mitosis, and in vesicle-mediated transport processes. Can directly phosphorylate BAD and protects cells against apoptosis. Activated by interaction with CDC42 and RAC1. Functions as GTPase effector that links the Rho-related GTPases CDC42 and RAC1 to the JNK MAP kinase pathway. Phosphorylates and activates MAP2K1, and thereby mediates activation of downstream MAP kinases. Involved in the reorganization of the actin cytoskeleton, actin stress fibers and of focal adhesion complexes. Phosphorylates the tubulin chaperone TBCB and thereby plays a role in the regulation of microtubule biogenesis and organization of the tubulin cytoskeleton. Plays a role in the regulation of insulin secretion in response to elevated glucose levels. Part of a ternary complex that contains PAK1, DVL1 and MUSK that is important for MUSK-dependent regulation of AChR clustering during the formation of the neuromuscular junction (NMJ). Activity is inhibited in cells undergoing apoptosis, potentially due to binding of CDC2L1 and CDC2L2. Phosphorylates MYL9/MLC2. Phosphorylates RAF1 at 'Ser-338' and 'Ser-339' resulting in: activation of RAF1, stimulation of RAF1 translocation to mitochondria, phosphorylation of BAD by RAF1, and RAF1 binding to BCL2. Phosphorylates SNAI1 at 'Ser-246' promoting its transcriptional repressor activity by increasing its accumulation in the nucleus. In podocytes, promotes NR3C2 nuclear localization. Required for atypical chemokine receptor ACKR2-induced phosphorylation of LIMK1 and cofilin (CFL1) and for the up-regulation of ACKR2 from endosomal compartment to cell membrane, increasing its efficiency in chemokine uptake and degradation. In synapses, seems to mediate the regulation of F-actin cluster formation performed by SHANK3, maybe through CFL1 phosphorylation and inactivation. Plays a role in RUFY3-mediated facilitating gastric cancer cells migration and invasion. In response to DNA damage, phosphorylates MORC2 which activates its ATPase activity and facilitates chromatin remodeling.

翻译修饰:

Autophosphorylated in trans, meaning that in a dimer, one kinase molecule phosphorylates the other one. Activated by autophosphorylation at Thr-423 in response to a conformation change, triggered by interaction with GTP-bound CDC42 or RAC1. Activated by phosphorylation at Thr-423 by BRSK2 and by PDPK1. Phosphorylated by JAK2 in response to PRL; this increases PAK1 kinase activity. Phosphorylated at Ser-21 by PKB/AKT; this reduces interaction with NCK1 and association with focal adhesion sites. Upon DNA damage, phosphorylated at Thr-212 and translocates to the nucleoplasm. Phosphorylated at tyrosine residues, which can be enhanced by NTN1 (By similarity).

细胞定位:

Cytoplasm. Cell junction>Focal adhesion. Cell membrane. Cell projection>Ruffle membrane. Cell projection>Invadopodium. Nucleus>Nucleoplasm. Chromosome.
Note: Colocalizes with RUFY3, F-actin and other core migration components in invadopodia at the cell periphery (PubMed:25766321). Recruited to the cell membrane by interaction with CDC42 and RAC1. Recruited to focal adhesions upon activation. Colocalized with CIB1 within membrane ruffles during cell spreading upon readhesion to fibronectin. Upon DNA damage, translocates to the nucleoplasm when phosphorylated at Thr-212 where is co-recruited with MORC2 on damaged chromatin (PubMed:23260667).

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
组织特异性:

Overexpressed in gastric cancer cells and tissues (at protein level).

亚基结构:

Homodimer; homodimerization results in autoinhibition. Active as monomer. Component of cytoplasmic complexes, which also contains PXN, ARHGEF6 and GIT1. Interacts with NISCH (By similarity). Interacts with DVL1; mediates the formation of a DVL1, MUSK and PAK1 ternary complex involved in AChR clustering (By similarity). Binds to the caspase-cleaved p110 isoform of CDC2L1 and CDC2L2, p110C, but not the full-length proteins. Interacts with ARHGEF7. Interacts tightly with GTP-bound but not GDP-bound CDC42/P21 and RAC1 (By similarity). Probably found in a ternary complex composed of DSCAM, PAK1 and RAC1. Interacts with DSCAM (via cytoplasmic domain); the interaction is direct and enhanced in presence of RAC1. Interacts with SCRIB. Interacts with PDPK1. Interacts (via kinase domain) with RAF1. Interacts with NCK1 and NCK2. Interacts with TBCB. Interacts with CRIPAK. Interacts with BRSK2 (By similarity). Interacts with SNAI1. Interacts with CIB1 isoform 2. Interacts with CIB1 (via N-terminal region); the interaction is direct, promotes PAK1 activity and occurs in a calcium-dependent manner. Interacts with INPP5K.

蛋白家族:

Belongs to the protein kinase superfamily. STE Ser/Thr protein kinase family. STE20 subfamily.

功能:

Serine/threonine protein kinase that plays a role in a variety of different signaling pathways including cytoskeleton regulation, cell motility, cell cycle progression, apoptosis or proliferation. Acts as downstream effector of the small GTPases CDC42 and RAC1. Activation by the binding of active CDC42 and RAC1 results in a conformational change and a subsequent autophosphorylation on several serine and/or threonine residues. Full-length PAK2 stimulates cell survival and cell growth. Phosphorylates MAPK4 and MAPK6 and activates the downstream target MAPKAPK5, a regulator of F-actin polymerization and cell migration. Phosphorylates JUN and plays an important role in EGF-induced cell proliferation. Phosphorylates many other substrates including histone H4 to promote assembly of H3.3 and H4 into nucleosomes, BAD, ribosomal protein S6, or MBP. Additionally, associates with ARHGEF7 and GIT1 to perform kinase-independent functions such as spindle orientation control during mitosis. On the other hand, apoptotic stimuli such as DNA damage lead to caspase-mediated cleavage of PAK2, generating PAK-2p34, an active p34 fragment that translocates to the nucleus and promotes cellular apoptosis involving the JNK signaling pathway. Caspase-activated PAK2 phosphorylates MKNK1 and reduces cellular translation.

翻译修饰:

Full-length PAK2 is autophosphorylated when activated by CDC42/p21. Following cleavage, both peptides, PAK-2p27 and PAK-2p34, become highly autophosphorylated, with PAK-2p27 being phosphorylated on serine and PAK-2p34 on threonine residues, respectively. Autophosphorylation of PAK-2p27 can occur in the absence of any effectors and is dependent on phosphorylation of Thr-402, because PAK-2p27 is acting as an exogenous substrate.

During apoptosis proteolytically cleaved by caspase-3 or caspase-3-like proteases to yield active PAK-2p34.

Ubiquitinated, leading to its proteasomal degradation.

PAK-2p34 is myristoylated.

细胞定位:

Cytoplasm.
Note: MYO18A mediates the cellular distribution of the PAK2-ARHGEF7-GIT1 complex to the inner surface of the cell membrane.

Nucleus. Cytoplasm>Perinuclear region. Membrane>Lipid-anchor.
Note: Interaction with ARHGAP10 probably changes PAK-2p34 location to cytoplasmic perinuclear region. Myristoylation changes PAK-2p34 location to the membrane.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
组织特异性:

Ubiquitously expressed. Higher levels seen in skeletal muscle, ovary, thymus and spleen.

亚基结构:

Interacts tightly with GTP-bound but not GDP-bound CDC42/p21 and RAC1. Interacts with SH3MD4. Interacts with SCRIB. Interacts with ARHGEF7 and GIT1. PAK-2p34 interacts with ARHGAP10. Interacts with RAC1.

(Microbial infection) Interacts with and activated by HIV-1 Nef.

蛋白家族:

Belongs to the protein kinase superfamily. STE Ser/Thr protein kinase family. STE20 subfamily.

研究领域

· Cellular Processes > Cellular community - eukaryotes > Focal adhesion.   (View pathway)

· Cellular Processes > Cell motility > Regulation of actin cytoskeleton.   (View pathway)

· Environmental Information Processing > Signal transduction > MAPK signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > ErbB signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > Ras signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > cAMP signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > Hippo signaling pathway - multiple species.   (View pathway)

· Human Diseases > Infectious diseases: Bacterial > Epithelial cell signaling in Helicobacter pylori infection.

· Human Diseases > Cancers: Overview > Proteoglycans in cancer.

· Human Diseases > Cancers: Specific types > Renal cell carcinoma.   (View pathway)

· Organismal Systems > Immune system > Chemokine signaling pathway.   (View pathway)

· Organismal Systems > Development > Axon guidance.   (View pathway)

· Organismal Systems > Immune system > Natural killer cell mediated cytotoxicity.   (View pathway)

· Organismal Systems > Immune system > T cell receptor signaling pathway.   (View pathway)

· Organismal Systems > Immune system > Fc gamma R-mediated phagocytosis.   (View pathway)

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