Structure of PDB 4zop Chain A

Receptor sequence
>4zopA (length=1000) Species: 9606 (Homo sapiens) [Search protein sequence]
PPRPSSGELWGIHLMPPRILVECLLPNGMIVTLECLREATLITIKHELFK
EARKYPLHQLLQDESSYIFVSVTQEAEREEFFDETRRLCDLRLFQPFLKV
IEPVGNREEKILNREIGFAIGMPVCEFDMVKDPEVQDFRRNILNVCKEAV
DLRDLNSPHSRAMYVYPPNVESSPELPKHIYNKLDKGQIIVVIWVIVSPN
NDKQKYTLKINHDCVPEQVIAEAIRKKYQGKYILKVCGCDEYFLEKYPLS
QYKYIRSCIMLGRMPNLMLMAKESLYSQLPMDCFTMPSYSRRISTASTKS
LWVINSALRIKILCATYVNVNIRDIDKIYVRTGIYHGGEPLCDNVNTQRV
PCSNPRWNEWLNYDIYIPDLPRAARLCLSICSVKGRKGAKEEHCPLAWGN
INLFDYTDTLVSGKMALNLWPVPHGLEDLLNPIGVTGSNPNKETPCLELE
FDWFSSVVKFPDMSVIEEHAENDKEQLKAISTRDPLSEITEQEKDFLWSH
RHYCVTIPEILPKLLLSVKWNSRDEVAQMYCLVKDWPPIKPEQAMELLDC
NYPDPMVRGFAVRCLEKYLTDDKLSQYLIQLVQVLKYEQYLDNLLVRFLL
KKALTNQRIGHFFFWHLKSEMHNKTVSQRFGLLLESYCRACGMYLKHLNR
QVEAMEKLINLTDILKQEKKDETQKVQMKFLVEQMRRPDFMDALQGFLSP
LNPAHQLGNLRLEECRIMSSAKRPLWLNWENPDIMSELLFQNNEIIFKNG
DDLRQDMLTLQIIRIMENIWQNQGLDLRMLPYGCLSIGDCVGLIEVVRNS
HTIMQIQCKGFNSHTLHQWLKDKNKGEIYDAAIDLFTRSCAGYCVATFIL
GIGDRHNSNIMVKDDGQLFHIDFGHFLDHKKKKFGYKRERVPFVLTQDFL
IVISKGAQECTKTREFERFQEMCYKAYLAIRQHANLFINLFSMMLGSGMP
ELQSFDDIAYIRKTLALDKTEQEALEYFMKQMNDAHHGGWTTKMDWIFHT
3D structure
PDB4zop Co-crystal Structure of the Lipid Kinase PI3K alpha with a selective phosphatidylinositol-3 kinase alpha inhibitorCo-crystal Structure of the Lipid Kinase PI3K alpha with a selective phosphatidylinositol-3 kinase alpha inhibitor
ChainA
Resolution2.62 Å
3D
structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Enzyme Commision number 2.7.11.1: non-specific serine/threonine protein kinase.
2.7.1.137: phosphatidylinositol 3-kinase.
2.7.1.153: phosphatidylinositol-4,5-bisphosphate 3-kinase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 4Q2 A W780 Y836 I848 E849 V851 S854 H855 Q859 I932 W726 Y782 I794 E795 V797 S800 H801 Q805 I871 BindingDB: IC50=6.0nM
Gene Ontology
Molecular Function
GO:0004674 protein serine/threonine kinase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0016301 kinase activity
GO:0016303 1-phosphatidylinositol-3-kinase activity
GO:0030295 protein kinase activator activity
GO:0035005 1-phosphatidylinositol-4-phosphate 3-kinase activity
GO:0043560 insulin receptor substrate binding
GO:0044024 histone H2AS1 kinase activity
GO:0046934 1-phosphatidylinositol-4,5-bisphosphate 3-kinase activity
GO:0106310 protein serine kinase activity
Biological Process
GO:0001525 angiogenesis
GO:0001889 liver development
GO:0001944 vasculature development
GO:0006006 glucose metabolic process
GO:0006629 lipid metabolic process
GO:0006909 phagocytosis
GO:0007173 epidermal growth factor receptor signaling pathway
GO:0008286 insulin receptor signaling pathway
GO:0010468 regulation of gene expression
GO:0010592 positive regulation of lamellipodium assembly
GO:0010629 negative regulation of gene expression
GO:0014823 response to activity
GO:0014870 response to muscle inactivity
GO:0016242 negative regulation of macroautophagy
GO:0016310 phosphorylation
GO:0030036 actin cytoskeleton organization
GO:0030168 platelet activation
GO:0030835 negative regulation of actin filament depolymerization
GO:0031295 T cell costimulation
GO:0032008 positive regulation of TOR signaling
GO:0032869 cellular response to insulin stimulus
GO:0035994 response to muscle stretch
GO:0036092 phosphatidylinositol-3-phosphate biosynthetic process
GO:0038084 vascular endothelial growth factor signaling pathway
GO:0040014 regulation of multicellular organism growth
GO:0043201 response to L-leucine
GO:0043276 anoikis
GO:0043457 regulation of cellular respiration
GO:0043491 phosphatidylinositol 3-kinase/protein kinase B signal transduction
GO:0043524 negative regulation of neuron apoptotic process
GO:0043542 endothelial cell migration
GO:0046854 phosphatidylinositol phosphate biosynthetic process
GO:0048009 insulin-like growth factor receptor signaling pathway
GO:0048015 phosphatidylinositol-mediated signaling
GO:0048661 positive regulation of smooth muscle cell proliferation
GO:0050852 T cell receptor signaling pathway
GO:0051897 positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction
GO:0055119 relaxation of cardiac muscle
GO:0060048 cardiac muscle contraction
GO:0060612 adipose tissue development
GO:0071333 cellular response to glucose stimulus
GO:0071464 cellular response to hydrostatic pressure
GO:0071548 response to dexamethasone
GO:0086003 cardiac muscle cell contraction
GO:0097009 energy homeostasis
GO:0110053 regulation of actin filament organization
GO:0141068 autosome genomic imprinting
GO:1903544 response to butyrate
GO:1905477 positive regulation of protein localization to membrane
GO:2000270 negative regulation of fibroblast apoptotic process
GO:2000811 negative regulation of anoikis
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0005886 plasma membrane
GO:0005942 phosphatidylinositol 3-kinase complex
GO:0005943 phosphatidylinositol 3-kinase complex, class IA
GO:0005944 phosphatidylinositol 3-kinase complex, class IB
GO:0014704 intercalated disc
GO:0030027 lamellipodium
GO:0048471 perinuclear region of cytoplasm

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:4zop, PDBe:4zop, PDBj:4zop
PDBsum4zop
PubMed
UniProtP42336|PK3CA_HUMAN Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform (Gene Name=PIK3CA)

[Back to BioLiP]