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(-) Description

Title :  DISCOVERY OF A POTENT AND ISOFORM-SELECTIVE TARGETED COVALENT INHIBITOR OF THE LIPID KINASE PI3KALPHA
 
Authors :  M. Nacht, L. Qiao, M. P. Sheets, T. S. Martin, M. Labenski, H. Mazdiyasni Z. Zhu, P. Chaturvedi, D. Bhavsar, D. Niu, W. Westlin, R. C. Petter, A. P. Medikonda, A. Jestel, M. Blaesse, J. Singh
Date :  09 Jan 13  (Deposition) - 13 Feb 13  (Release) - 27 Feb 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.85
Chains :  Asym./Biol. Unit :  A
Keywords :  Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. Nacht, L. Qiao, M. P. Sheets, T. S. Martin, M. Labenski, H. Mazdiyasni, R. Karp, Z. Zhu, P. Chaturvedi, D. Bhavsar, D. Niu, W. Westlin, R. C. Petter, A. P. Medikonda, J. Singh
Discovery Of A Potent And Isoform-Selective Targeted Covalent Inhibitor Of The Lipid Kinase Pi3Kalpha
J. Med. Chem. V. 56 712 2013
PubMed-ID: 23360348  |  Reference-DOI: 10.1021/JM3008745

(-) Compounds

Molecule 1 - PHOSPHATIDYLINOSITOL 4,5-BISPHOSPHATE 3-KINASE CATALYTIC SUBUNIT ALPHA ISOFORM
    ChainsA
    EC Number2.7.1.153, 2.7.11.1
    EngineeredYES
    Expression SystemSPODOPTERA FRUGIPERDA
    Expression System CommonFALL ARMYWORM
    Expression System StrainSF9
    Expression System Taxid7108
    Expression System Vector TypeBACULOVIRUS
    FragmentN-TERMINAL TRUNCATED, RESIDUES 107-1046
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    Other DetailsLIGAND COVALENTLY LINKED TO CYS862
    SynonymPI3-KINASE SUBUNIT ALPHA, PI3K-ALPHA, PI3KALPHA, PTDINS-3-KINASE SUBUNIT ALPHA, PHOSPHATIDYLINOSITOL 4,5-BISPHOSPHATE 3-KINASE 110 KDA CATALYTIC SUBUNIT ALPHA, PTDINS-3-KINASE SUBUNIT P110-ALPHA, P110ALPHA, PHOSPHOINOSITIDE-3-KINASE CATALYTIC ALPHA POLYPEPTIDE, SERINE/THREONINE PROTEIN KINASE PIK3CA

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 1)

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1KKR1Ligand/Ion1-[4-[[2-(1H-INDAZOL-4-YL)-4-MORPHOLIN-4-YL-THIENO[3,2-D]PYRIMIDIN-6-YL]METHYL]PIPERAZIN-1-YL]-6-METHYL-HEPT-5-ENE-1,4-DIONE

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREMET A:772 , ILE A:800 , LYS A:802 , ASP A:810 , TYR A:836 , ILE A:848 , GLU A:849 , VAL A:850 , VAL A:851 , SER A:854 , MET A:858 , GLN A:859 , CYS A:862 , ILE A:932 , ASP A:933BINDING SITE FOR RESIDUE KKR A2047

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3ZIM)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Ser A:158 -Pro A:159

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (35, 35)

Asymmetric/Biological Unit (35, 35)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
01UniProtVAR_075634I112NPK3CA_HUMANDisease (MCAP)863225460AI112N
02UniProtVAR_069786G118DPK3CA_HUMANDisease (CWS5)587777790AG118D
03UniProtVAR_069787E135KPK3CA_HUMANDisease (CWS5)587777791AE135K
04UniProtVAR_069788E218KPK3CA_HUMANDisease (CWS5)587777792AE218K
05UniProtVAR_042943S332RPK3CA_HUMANPolymorphism1051407AS332R
06UniProtVAR_026169Y343CPK3CA_HUMANUnclassified  ---AY343C
07UniProtVAR_069789V356IPK3CA_HUMANDisease (CWS5)587777793AV356I
08UniProtVAR_069252G364RPK3CA_HUMANDisease (MCAP)  ---AG364R
09UniProtVAR_069253E365KPK3CA_HUMANDisease (MCAP)  ---AE365K
10UniProtVAR_069254C378YPK3CA_HUMANDisease (MCAP)397514565AC378Y
11UniProtVAR_069790R382KPK3CA_HUMANDisease (CWS5)587777794AR382K
12UniProtVAR_026170I391MPK3CA_HUMANPolymorphism2230461AI391M
13UniProtVAR_026171C420RPK3CA_HUMANDisease (CLOVE)121913272AC420R
14UniProtVAR_026172E453QPK3CA_HUMANDisease (CRC)  ---AE453Q
15UniProtVAR_026173E542KPK3CA_HUMANDisease (KERSEB)121913273AE542K
16UniProtVAR_026174E542QPK3CA_HUMANUnclassified  ---AE542Q
17UniProtVAR_026175E542VPK3CA_HUMANUnclassified (BC)  ---AE542V
18UniProtVAR_026176E545APK3CA_HUMANDisease (HCC)121913274AE545A
19UniProtVAR_026177E545GPK3CA_HUMANDisease (KERSEB)121913274AE545G
20UniProtVAR_026178E545KPK3CA_HUMANDisease (MCAP)104886003AE545K
21UniProtVAR_026179Q546EPK3CA_HUMANUnclassified (BC)121913286AQ546E
22UniProtVAR_026180Q546KPK3CA_HUMANUnclassified (OC)121913286AQ546K
23UniProtVAR_026181Q546PPK3CA_HUMANUnclassified  ---AQ546P
24UniProtVAR_026182Q546RPK3CA_HUMANUnclassified (BC)397517201AQ546R
25UniProtVAR_069256E726KPK3CA_HUMANDisease (MCAP)867262025AE726K
26UniProtVAR_069257G914RPK3CA_HUMANDisease (MCAP)587776932AG914R
27UniProtVAR_026183G1007RPK3CA_HUMANUnclassified  ---AG1007R
28UniProtVAR_026184Y1021CPK3CA_HUMANDisease (MCAP)121913288AY1021C
29UniProtVAR_026185Y1021HPK3CA_HUMANUnclassified  ---AY1021H
30UniProtVAR_026186Y1021NPK3CA_HUMANUnclassified  ---AY1021N
31UniProtVAR_026187R1023QPK3CA_HUMANUnclassified (CRC)  ---AR1023Q
32UniProtVAR_069258T1025APK3CA_HUMANDisease (MCAP)397517202AT1025A
33UniProtVAR_026188T1025NPK3CA_HUMANUnclassified  ---AT1025N
34UniProtVAR_026189A1035VPK3CA_HUMANDisease (MCAP)  ---AA1035V
35UniProtVAR_026190M1043IPK3CA_HUMANDisease (MCAP)121913283AM1043I

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (6, 6)

Asymmetric/Biological Unit (6, 6)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PI3K_RBDPS51546 Phosphatidylinositol 3-kinase Ras-binding (PI3K RBD) domain profile.PK3CA_HUMAN187-289  1A:187-289
2PI3K_C2PS51547 Phosphatidylinositol 3-kinase C2 (PI3K C2) domain profile.PK3CA_HUMAN330-487  1A:330-487
3PIK_HELICALPS51545 PIK helical domain profile.PK3CA_HUMAN517-694  1A:517-694
4PI3_4_KINASE_3PS50290 Phosphatidylinositol 3- and 4-kinases family profile.PK3CA_HUMAN797-1068  1A:797-1046
5PI3_4_KINASE_1PS00915 Phosphatidylinositol 3- and 4-kinases signature 1.PK3CA_HUMAN801-815  1A:801-815
6PI3_4_KINASE_2PS00916 Phosphatidylinositol 3- and 4-kinases signature 2.PK3CA_HUMAN900-920  1A:900-920

(-) Exons   (20, 20)

Asymmetric/Biological Unit (20, 20)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.2ENST000002639672ENSE00001493081chr3:178866311-17886639181PK3CA_HUMAN-00--
1.4bENST000002639674bENSE00001139995chr3:178916538-178916965428PK3CA_HUMAN1-1181181A:107-11812
1.5ENST000002639675ENSE00000997375chr3:178917478-178917687210PK3CA_HUMAN118-188711A:118-18871
1.6ENST000002639676ENSE00001077693chr3:178919078-178919328251PK3CA_HUMAN188-271841A:188-271 (gaps)84
1.7ENST000002639677ENSE00001077692chr3:178921332-178921577246PK3CA_HUMAN272-353821A:272-353 (gaps)82
1.8ENST000002639678ENSE00001077694chr3:178922291-17892237686PK3CA_HUMAN354-382291A:354-38229
1.9ENST000002639679ENSE00001077691chr3:178927383-178927488106PK3CA_HUMAN382-417361A:382-40827
1.10ENST0000026396710ENSE00001128470chr3:178927974-178928126153PK3CA_HUMAN418-468511A:419-46850
1.11ENST0000026396711ENSE00001128465chr3:178928219-178928353135PK3CA_HUMAN469-513451A:469-51345
1.12ENST0000026396712ENSE00001077674chr3:178935998-178936122125PK3CA_HUMAN514-555421A:514-55542
1.13ENST0000026396713ENSE00000826291chr3:178936984-17893706582PK3CA_HUMAN555-582281A:555-58228
1.14bENST0000026396714bENSE00000826292chr3:178937359-178937523165PK3CA_HUMAN583-637551A:583-63755
1.15ENST0000026396715ENSE00000826293chr3:178937737-178937840104PK3CA_HUMAN638-672351A:638-67235
1.16ENST0000026396716ENSE00000826294chr3:178938774-178938945172PK3CA_HUMAN672-729581A:672-72958
1.17ENST0000026396717ENSE00000826295chr3:178941869-178941975107PK3CA_HUMAN730-765361A:730-76536
1.18ENST0000026396718ENSE00000826296chr3:178942488-178942609122PK3CA_HUMAN765-806421A:765-80642
1.19bENST0000026396719bENSE00000826297chr3:178943750-17894382879PK3CA_HUMAN806-832271A:806-83227
1.20ENST0000026396720ENSE00000826298chr3:178947060-178947230171PK3CA_HUMAN832-889581A:832-88958
1.21ENST0000026396721ENSE00000826299chr3:178947792-178947909118PK3CA_HUMAN889-928401A:889-92840
1.22ENST0000026396722ENSE00000826300chr3:178948013-178948164152PK3CA_HUMAN929-979511A:929-979 (gaps)51
1.23ENST0000026396723ENSE00001139987chr3:178951882-1789578816000PK3CA_HUMAN979-1068901A:979-104668

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:886
 aligned with PK3CA_HUMAN | P42336 from UniProtKB/Swiss-Prot  Length:1068

    Alignment length:940
                                   116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366       376       386       396       406       416       426       436       446       456       466       476       486       496       506       516       526       536       546       556       566       576       586       596       606       616       626       636       646       656       666       676       686       696       706       716       726       736       746       756       766       776       786       796       806       816       826       836       846       856       866       876       886       896       906       916       926       936       946       956       966       976       986       996      1006      1016      1026      1036      1046
         PK3CA_HUMAN    107 NREEKILNREIGFAIGMPVCEFDMVKDPEVQDFRRNILNVCKEAVDLRDLNSPHSRAMYVYPPNVESSPELPKHIYNKLDKGQIIVVIWVIVSPNNDKQKYTLKINHDCVPEQVIAEAIRKKTRSMLLSSEQLKLCVLEYQGKYILKVCGCDEYFLEKYPLSQYKYIRSCIMLGRMPNLMLMAKESLYSQLPMDCFTMPSYSRRISTATPYMNGETSTKSLWVINSALRIKILCATYVNVNIRDIDKIYVRTGIYHGGEPLCDNVNTQRVPCSNPRWNEWLNYDIYIPDLPRAARLCLSICSVKGRKGAKEEHCPLAWGNINLFDYTDTLVSGKMALNLWPVPHGLEDLLNPIGVTGSNPNKETPCLELEFDWFSSVVKFPDMSVIEEHANWSVSREAGFSYSHAGLSNRLARDNELRENDKEQLKAISTRDPLSEITEQEKDFLWSHRHYCVTIPEILPKLLLSVKWNSRDEVAQMYCLVKDWPPIKPEQAMELLDCNYPDPMVRGFAVRCLEKYLTDDKLSQYLIQLVQVLKYEQYLDNLLVRFLLKKALTNQRIGHFFFWHLKSEMHNKTVSQRFGLLLESYCRACGMYLKHLNRQVEAMEKLINLTDILKQEKKDETQKVQMKFLVEQMRRPDFMDALQGFLSPLNPAHQLGNLRLEECRIMSSAKRPLWLNWENPDIMSELLFQNNEIIFKNGDDLRQDMLTLQIIRIMENIWQNQGLDLRMLPYGCLSIGDCVGLIEVVRNSHTIMQIQCKGGLKGALQFNSHTLHQWLKDKNKGEIYDAAIDLFTRSCAGYCVATFILGIGDRHNSNIMVKDDGQLFHIDFGHFLDHKKKKFGYKRERVPFVLTQDFLIVISKGAQECTKTREFERFQEMCYKAYLAIRQHANLFINLFSMMLGSGMPELQSFDDIAYIRKTLALDKTEQEALEYFMKQMNDA 1046
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhh..hhhhhh..hhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhh..........hhhhhhh....eeeeeeeee......eeeeeeeee...hhhhhhhhhhhhhhh...-----------.....eeeee...........hhhhhhhhhhhhhh....eeeeeehhhhhhhh.......hhhhh---------------........eeeeeeeeee.....----...eeeeeeee..ee....ee.........eeeeeeeeeee.hhh....eeeeeee.----------..eeeeeeee...........eeeee.ee........................eeeeee..........hhhhhhhhhhhhhhhhhh.hhhhhhh..........hhhhhhhhhhhhh.......hhhhhhhhhhh.hhhhhhhhhhhhhhhh....hhhhhhhhhhhhhh....hhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhh..ee.......ee........ee.......eeeeee....hhhhhh.eeeeeeee...hhhhhhhhhhhhhhhhhhhhh..........eeeee..eeeee....eeehhhhhhh...........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh........eeee....eee........---------........hhhhhhhhh-----...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..........hhhhhhhhhhhh....hhhhhhhhhhhhhhhh Sec.struct. author
             SAPs(SNPs) (1) -----N-----D----------------K----------------------------------------------------------------------------------K-----------------------------------------------------------------------------------------------------------------R----------C------------I-------RK------------Y---K--------M----------------------------R--------------------------------Q----------------------------------------------------------------------------------------K--AE-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------K-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------R--------------------------------------------------------------------------------------------R-------------C-Q-A---------V-------I--- SAPs(SNPs) (1)
             SAPs(SNPs) (2) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Q--GK------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------H---N--------------------- SAPs(SNPs) (2)
             SAPs(SNPs) (3) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------V--KP------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------N------------------------- SAPs(SNPs) (3)
             SAPs(SNPs) (4) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------R-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (4)
                PROSITE (1) --------------------------------------------------------------------------------PI3K_RBD  PDB: A:187-289 UniProt: 187-289                                                              ----------------------------------------PI3K_C2  PDB: A:330-487 UniProt: 330-487                                                                                                                      -----------------------------PIK_HELICAL  PDB: A:517-694 UniProt: 517-694                                                                                                                                      ------------------------------------------------------------------------------------------------------PI3_4_KINASE_3  PDB: A:797-1046 UniProt: 797-1068                                                                                                                                                                                                          PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PI3_4_KINASE_1 ------------------------------------------------------------------------------------PI3_4_KINASE_2       ------------------------------------------------------------------------------------------------------------------------------ PROSITE (2)
           Transcript 1 (1) Exon 1.4b   ---------------------------------------------------------------------Exon 1.6  PDB: A:188-271 (gaps) UniProt: 188-271                                    Exon 1.7  PDB: A:272-353 (gaps) UniProt: 272-353                                  Exon 1.8  PDB: A:354-382     -----------------------------------Exon 1.10  PDB: A:419-468 UniProt: 418-468         Exon 1.11  PDB: A:469-513 UniProt: 469-513   Exon 1.12  PDB: A:514-555 UniProt: 514-555---------------------------Exon 1.14b  PDB: A:583-637 UniProt: 583-637            Exon 1.15  PDB: A:638-672          ---------------------------------------------------------Exon 1.17  PDB: A:730-765           ----------------------------------------Exon 1.19b  PDB: A:806-832 --------------------------------------------------------Exon 1.21  PDB: A:889-928               Exon 1.22  PDB: A:929-979 (gaps) UniProt: 929-979  ------------------------------------------------------------------- Transcript 1 (1)
           Transcript 1 (2) -----------Exon 1.5  PDB: A:118-188 UniProt: 118-188                              -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Exon 1.9  PDB: A:382-408            -----------------------------------------------------------------------------------------------------------------------------------------Exon 1.13  PDB: A:555-582   -----------------------------------------------------------------------------------------Exon 1.16  PDB: A:672-729 UniProt: 672-729                -----------------------------------Exon 1.18  PDB: A:765-806 UniProt: 765-806-------------------------Exon 1.20  PDB: A:832-889 UniProt: 832-889                -----------------------------------------------------------------------------------------Exon 1.23  PDB: A:979-1046 UniProt: 979-1068 [INCOMPLETE]            Transcript 1 (2)
                3zim A  107 NREEKILNREIGFAIGMPVCEFDMVKDPEVQDFRRNILNVCKEAVDLRDLNSPHSRAMYVYPPNVESSPELPKHIYNKLDKGQIIVVIWVIVSPNNDKQKYTLKINHDCVPEQVIAEAIRKKTRSML-----------EYQGKYILKVCGCDEYFLEKYPLSQYKYIRSCIMLGRMPNLMLMAKESLYSQLPMDCFTMPSYSR---------------KSLWVINSALRIKILCATYVNVN----DKIYVRTGIYHGGEPLCDNVNTQRVPCSNPRWNEWLNYDIYIPDLPRAARLCLSICS----------HCPLAWGNINLFDYTDTLVSGKMALNLWPVPHGLEDLLNPIGVTGSNPNKETPCLELEFDWFSSVVKFPDMSVIEEHANWSVSREAGFSYSHAGLSNRLARDNELRENDKEQLKAISTRDPLSEITEQEKDFLWSHRHYCVTIPEILPKLLLSVKWNSRDEVAQMYCLVKDWPPIKPEQAMELLDCNYPDPMVRGFAVRCLEKYLTDDKLSQYLIQLVQVLKYEQYLDNLLVRFLLKKALTNQRIGHFFFWHLKSEMHNKTVSQRFGLLLESYCRACGMYLKHLNRQVEAMEKLINLTDILKQEKKDETQKVQMKFLVEQMRRPDFMDALQGFLSPLNPAHQLGNLRLEECRIMSSAKRPLWLNWENPDIMSELLFQNNEIIFKNGDDLRQDMLTLQIIRIMENIWQNQGLDLRMLPYGCLSIGDCVGLIEVVRNSHTIMQIQCKGGLKGALQFNSHTLHQWLKDKNKGEIYDAAIDLFTRSCAGYCVATFILGIGDRHNSNIMVKDDGQLFHIDFGHFLD---------RERVPFVLTQDFLIVIS-----CTKTREFERFQEMCYKAYLAIRQHANLFINLFSMMLGSGMPELQSFDDIAYIRKTLALDKTEQEALEYFMKQMNDA 1046
                                   116       126       136       146       156       166       176       186       196       206       216       226      |  -       246       256       266       276       286       296       306  |      -       326       336       346|    | 356       366       376       386       396       406 |       -  |    426       436       446       456       466       476       486       496       506       516       526       536       546       556       566       576       586       596       606       616       626       636       646       656       666       676       686       696       706       716       726       736       746       756       766       776       786       796       806       816       826       836       846       856       866       876       886       896       906       916       926       936  |      -  |    956        |-    |  976       986       996      1006      1016      1026      1036      1046
                                                                                                                                                        233         245                                                             309             325                   347  352                                                     408        419                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     939       949             965   971                                                                           

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 3ZIM)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3ZIM)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3ZIM)

(-) Gene Ontology  (57, 57)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (PK3CA_HUMAN | P42336)
molecular function
    GO:0016303    1-phosphatidylinositol-3-kinase activity    Catalysis of the reaction: 1-phosphatidyl-1D-myo-inositol + ATP = a 1-phosphatidyl-1D-myo-inositol 3-phosphate + ADP + 2 H(+).
    GO:0035005    1-phosphatidylinositol-4-phosphate 3-kinase activity    Catalysis of the reaction: 1-phosphatidyl-1D-myo-inositol 4-phosphate + ATP = 1-phosphatidyl-1D-myo-inositol 3,4-bisphosphate + ADP + 2 H(+).
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0043560    insulin receptor substrate binding    Interacting selectively and non-covalently with any of the insulin receptor substrate (IRS) proteins, adaptor proteins that bind to the transphosphorylated insulin and insulin-like growth factor receptors, are themselves phosphorylated and in turn recruit SH2 domain-containing signaling molecules to form a productive signaling complex.
    GO:0016301    kinase activity    Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    GO:0035004    phosphatidylinositol 3-kinase activity    Catalysis of the reaction: ATP + a phosphatidylinositol = ADP + a phosphatidylinositol 3-phosphate. This reaction is the addition of a phosphate group to phosphatidylinositol or one of its phosphorylated derivatives at the 3' position of the inositol ring.
    GO:0046934    phosphatidylinositol-4,5-bisphosphate 3-kinase activity    Catalysis of the reaction: 1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate + ATP = a 1-phosphatidyl-1D-myo-inositol 3,4,5-trisphosphate + ADP + 2 H(+).
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0030295    protein kinase activator activity    Binds to and increases the activity of a protein kinase, an enzyme which phosphorylates a protein.
    GO:0004674    protein serine/threonine kinase activity    Catalysis of the reactions: ATP + protein serine = ADP + protein serine phosphate, and ATP + protein threonine = ADP + protein threonine phosphate.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
    GO:0038128    ERBB2 signaling pathway    A series of molecular signals initiated by binding of a ligand to a member of the ERBB family of receptors on the surface of a cell, where the signal is transmitted by ERBB2. The pathway ends with regulation of a downstream cellular process, e.g. transcription. ERBB2 receptors are themselves unable to bind to ligands, but act as a signal-amplifying tyrosine kinase within a heterodimeric pair.
    GO:0038095    Fc-epsilon receptor signaling pathway    A series of molecular signals initiated by the binding of the Fc portion of immunoglobulin E (IgE) to an Fc-epsilon receptor on the surface of a signal-receiving cell, and ending with regulation of a downstream cellular process, e.g. transcription. The Fc portion of an immunoglobulin is its C-terminal constant region.
    GO:0038096    Fc-gamma receptor signaling pathway involved in phagocytosis    An Fc-gamma receptor signaling pathway that contributes to the endocytic engulfment of external particulate material by phagocytes.
    GO:0031295    T cell costimulation    The process of providing, via surface-bound receptor-ligand pairs, a second, antigen-independent, signal in addition to that provided by the T cell receptor to augment T cell activation.
    GO:0050852    T cell receptor signaling pathway    A series of molecular signals initiated by the cross-linking of an antigen receptor on a T cell.
    GO:0032147    activation of protein kinase activity    Any process that initiates the activity of an inactive protein kinase.
    GO:0060612    adipose tissue development    The process whose specific outcome is the progression of adipose tissue over time, from its formation to the mature structure. Adipose tissue is specialized tissue that is used to store fat.
    GO:0001525    angiogenesis    Blood vessel formation when new vessels emerge from the proliferation of pre-existing blood vessels.
    GO:0060048    cardiac muscle contraction    Muscle contraction of cardiac muscle tissue.
    GO:0071333    cellular response to glucose stimulus    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a glucose stimulus.
    GO:0043542    endothelial cell migration    The orderly movement of an endothelial cell into the extracellular matrix to form an endothelium.
    GO:0097009    energy homeostasis    Any process involved in the balance between food intake (energy input) and energy expenditure.
    GO:0007173    epidermal growth factor receptor signaling pathway    A series of molecular signals initiated by binding of a ligand to the tyrosine kinase receptor EGFR (ERBB1) on the surface of a cell. The pathway ends with regulation of a downstream cellular process, e.g. transcription.
    GO:0006006    glucose metabolic process    The chemical reactions and pathways involving glucose, the aldohexose gluco-hexose. D-glucose is dextrorotatory and is sometimes known as dextrose; it is an important source of energy for living organisms and is found free as well as combined in homo- and hetero-oligosaccharides and polysaccharides.
    GO:0044029    hypomethylation of CpG island    An decrease in the epigenetic methylation of cytosine and adenosine residues in a CpG island in DNA. CpG islands are genomic regions that contain a high frequency of the CG dinucleotide and are often associated with the transcription start site of genes.
    GO:0038028    insulin receptor signaling pathway via phosphatidylinositol 3-kinase    The series of molecular signals generated as a consequence of the insulin receptor binding to its physiological ligand, where the signal is passed on via the phosphatidylinositol 3-kinase cascade.
    GO:0050900    leukocyte migration    The movement of a leukocyte within or between different tissues and organs of the body.
    GO:0001889    liver development    The process whose specific outcome is the progression of the liver over time, from its formation to the mature structure. The liver is an exocrine gland which secretes bile and functions in metabolism of protein and carbohydrate and fat, synthesizes substances involved in the clotting of the blood, synthesizes vitamin A, detoxifies poisonous substances, stores glycogen, and breaks down worn-out erythrocytes.
    GO:2000811    negative regulation of anoikis    Any process that stops, prevents or reduces the frequency, rate or extent of anoikis.
    GO:2000270    negative regulation of fibroblast apoptotic process    Any process that stops, prevents or reduces the frequency, rate or extent of fibroblast apoptotic process.
    GO:0043524    negative regulation of neuron apoptotic process    Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process in neurons.
    GO:0006909    phagocytosis    An endocytosis process that results in the engulfment of external particulate material by phagocytes. The particles are initially contained within phagocytic vacuoles (phagosomes), which then fuse with primary lysosomes to effect digestion of the particles.
    GO:0006661    phosphatidylinositol biosynthetic process    The chemical reactions and pathways resulting in the formation of phosphatidylinositol, any glycophospholipid in which the sn-glycerol 3-phosphate residue is esterified to the 1-hydroxyl group of 1D-myo-inositol.
    GO:0046854    phosphatidylinositol phosphorylation    The process of introducing one or more phosphate groups into a phosphatidylinositol, any glycerophosphoinositol having one phosphatidyl group esterified to one of the hydroxy groups of inositol.
    GO:0036092    phosphatidylinositol-3-phosphate biosynthetic process    The chemical reactions and pathways resulting in the formation of phosphatidylinositol-3-phosphate, a phosphatidylinositol monophosphate carrying the phosphate group at the 3-position.
    GO:0048015    phosphatidylinositol-mediated signaling    A series of molecular signals in which a cell uses a phosphatidylinositol-mediated signaling to convert a signal into a response. Phosphatidylinositols include phosphatidylinositol (PtdIns) and its phosphorylated derivatives.
    GO:0016310    phosphorylation    The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide.
    GO:0030168    platelet activation    A series of progressive, overlapping events triggered by exposure of the platelets to subendothelial tissue. These events include shape change, adhesiveness, aggregation, and release reactions. When carried through to completion, these events lead to the formation of a stable hemostatic plug.
    GO:0098779    positive regulation of macromitophagy in response to mitochondrial depolarization    The macromitophagy process that is triggered by a detection of the loss of mitochondrial membrane potential.
    GO:0033138    positive regulation of peptidyl-serine phosphorylation    Any process that activates or increases the frequency, rate or extent of the phosphorylation of peptidyl-serine.
    GO:0043491    protein kinase B signaling    A series of reactions, mediated by the intracellular serine/threonine kinase protein kinase B (also called AKT), which occurs as a result of a single trigger reaction or compound.
    GO:0006468    protein phosphorylation    The process of introducing a phosphate group on to a protein.
    GO:0043457    regulation of cellular respiration    Any process that modulates the frequency, rate or extent of cellular respiration, the enzymatic release of energy from organic compounds.
    GO:0010468    regulation of gene expression    Any process that modulates the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
    GO:2000653    regulation of genetic imprinting    Any process that modulates the frequency, rate or extent of genetic imprinting.
    GO:0040014    regulation of multicellular organism growth    Any process that modulates the frequency, rate or extent of growth of the body of an organism so that it reaches its usual body size.
    GO:0014066    regulation of phosphatidylinositol 3-kinase signaling    Any process that modulates the frequency, rate or extent of signal transduction mediated by the phosphatidylinositol 3-kinase cascade.
    GO:0048010    vascular endothelial growth factor receptor signaling pathway    Any series of molecular signals initiated by the binding of an extracellular ligand to a vascular endothelial growth factor receptor (VEGFR) located on the surface of the receiving cell, and ending with regulation of a downstream cellular process, e.g. transcription.
    GO:0001944    vasculature development    The process whose specific outcome is the progression of the vasculature over time, from its formation to the mature structure. The vasculature is an interconnected tubular multi-tissue structure that contains fluid that is actively transported around the organism.
cellular component
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0005622    intracellular    The living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm.
    GO:0030027    lamellipodium    A thin sheetlike process extended by the leading edge of a migrating cell or extending cell process; contains a dense meshwork of actin filaments.
    GO:0005942    phosphatidylinositol 3-kinase complex    A protein complex capable of phosphatidylinositol 3-kinase activity and containing subunits of any phosphatidylinositol 3-kinase (PI3K) enzyme. These complexes are divided in three classes (called I, II and III) that differ for their presence across taxonomic groups and for the type of their constituents. Catalytic subunits of phosphatidylinositol 3-kinase enzymes are present in all 3 classes; regulatory subunits of phosphatidylinositol 3-kinase enzymes are present in classes I and III; adaptor proteins have been observed in class II complexes and may be present in other classes too.
    GO:0005943    phosphatidylinositol 3-kinase complex, class IA    A class I phosphatidylinositol 3-kinase complex that possesses 1-phosphatidylinositol-4-phosphate 3-kinase activity; comprises a catalytic class IA phosphoinositide 3-kinase (PI3K) subunit and an associated SH2 domain-containing regulatory subunit that is a member of a family of related proteins often called p85 proteins. Through the interaction with the SH2-containing adaptor subunits, Class IA PI3K catalytic subunits are linked to tyrosine kinase signaling pathways.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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        PK3CA_HUMAN | P423362enq 2rd0 3hhm 3hiz 4jps 4l1b 4l23 4l2y 4ovu 4ovv 4tuu 4tv3 4waf 4ykn 4zop 5dxh 5dxt 5fi4 5itd 5sw8 5swg 5swo 5swp 5swr 5swt 5sx8 5sx9 5sxa 5sxb 5sxc 5sxd 5sxe 5sxf 5sxi 5sxj 5sxk 5ubr 5uk8 5ukj 5ul1

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