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(-) Description

Title :  CRYSTAL STRUCTURE OF PI3KALPHA IN COMPLEX WITH FRAGMENT 8
 
Authors :  S. B. Gabelli, B. Vogelstein, M. S. Miller, L. M. Amzel
Date :  09 Aug 16  (Deposition) - 15 Feb 17  (Release) - 15 Feb 17  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.55
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Lipid Kinase, Phosphoinositide, 3-Kinase, Signaling, Transferase, Transferase-Transferase Inhibitor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. S. Miller, S. Maheshwari, F. M. Mcrobb, K. W. Kinzler, L. M. Amzel, B. Vogelstein, S. B. Gabelli
Identification Of Allosteric Binding Sites For Pi3K Alpha Oncogenic Mutant Specific Inhibitor Design.
Bioorg. Med. Chem. V. 25 1481 2017
PubMed-ID: 28129991  |  Reference-DOI: 10.1016/J.BMC.2017.01.012

(-) Compounds

Molecule 1 - PHOSPHATIDYLINOSITOL 4,5-BISPHOSPHATE 3-KINASE CATALYTIC SUBUNIT ALPHA ISOFORM
    Chains: A
    EC Number: 2.7.1.153, 2.7.11.1
    Engineered: YES
    Expression System: SPODOPTERA FRUGIPERDA
    Expression System Cell Line: SF9
    Expression System Common: FALL ARMYWORM
    Expression System Plasmid: PFASTBAC HT-A
    Expression System Taxid: 7108
    Expression System Vector Type: BACULOVIRUS
    Gene: PIK3CA
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: PTDINS-3-KINASE SUBUNIT ALPHA,PHOSPHATIDYLINOSITOL 4,5- BISPHOSPHATE 3-KINASE 110 KDA CATALYTIC SUBUNIT ALPHA,P110ALPHA, PHOSPHOINOSITIDE-3-KINASE CATALYTIC ALPHA POLYPEPTIDE, SERINE/THREONINE PROTEIN KINASE PIK3CA
 
Molecule 2 - PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY SUBUNIT ALPHA
    Chains: B
    Engineered: YES
    Expression System: SPODOPTERA FRUGIPERDA
    Expression System Cell Line: SF9
    Expression System Common: FALL ARMYWORM
    Expression System Plasmid: PFASTBAC HT-A
    Expression System Taxid: 7108
    Expression System Vector Type: BACULOVIRUS
    Fragment: RESIDUES 322-600
    Gene: PIK3R1, GRB1
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: PTDINS-3-KINASE REGULATORY SUBUNIT ALPHA, PHOSPHATIDYLINOSITOL 3-KINASE 85 KDA REGULATORY SUBUNIT ALPHA,PTDINS- 3-KINASE REGULATORY SUBUNIT P85-ALPHA

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 3)

Asymmetric/Biological Unit (2, 3)
No.NameCountTypeFull Name
1SEP2Mod. Amino AcidPHOSPHOSERINE
2URF1Ligand/Ion5-FLUOROURACIL

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARELYS A:621 , LYS A:656binding site for residue URF A 1101

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 5SXC)

(-) Cis Peptide Bonds  (3, 3)

Asymmetric/Biological Unit
No.Residues
1Arg A:4 -Pro A:5
2Ser A:158 -Pro A:159
3Ser A:199 -Pro A:200

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 5SXC)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 5SXC)

(-) Exons   (0, 0)

(no "Exon" information available for 5SXC)

(-) 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:1040
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ................................eeeeeee........eeee...hhhhhhhhhhhhh....hhhhh.hhhhheeeee.....eeee......hhhhh....eeeee......hhhhhhhhhhhhhh..hhhhhh..hhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhh..........hhhhhh................................hhhhhhhhhhhhhh.....hhhhhhhhhhhhhh.eeeee..eeeee........hhhhhhhhhh.....eeeeehhhhhh...............ee......eeeee.................eeeeeee........................eeeeeee.hhh....eeeeeee....eeeeeeee..........eeeeee.ee........................eeeeee......ee..hhhhhhhhhhhhhhhhhh..................hhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhh....hhhhhhhhhh....hhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhee.......ee........ee.......eeeeee....hhhhh..eeeeee.....hhhhhhhhhhhhhhhhhhhh...........eeeee..eeeee....eeehhhhhhhhh.........hhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhh........eeee....eee.......hhhhh..........hhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..........hhhhhhhhhhhh...hhhhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                5sxc A  -26 SYYHHHHHHDYDIPTPPRPSsGELWGIHLMPPRILVECLLPNGMIVTLECLREATLITIKHELFKEARKYPLHQLLQDESSYIFVSVTQEAEREEFFDETRRLCDLRLFQPFLKVIEPVGNREEKILNREIGFAIGMPVCEFDMVKDPEVQDFRRNILNVCKEAVDLRDLNSPHSRAMYVYPPNVESSPELPKHIYNKLDKGQIIVVIWVIVSPNNDKQKYTLKINHDCVPEQVIAEAIRKKTRSMLLSSEQLKLCVLEYQGKYILKVCGCDEYFLEKYPLSQYKYIRSCIMLGRMPNLMLMAKESLYSQLPMDCFTMPSYSSTKSLWVINSALRIKILCATYVNVNIRDIDKIYVRTGIYHGGEPLCDNVNTQRVPCSNPRWNEWLNYDIYIPDLPRAARLCLSICSVHCPLAWGNINLFDYTDTLVSGKMALNLWPVPHGLEDLLNPIGVTGSNPNKETPCLELEFDWFSSVVKFPDMSVIEEHANWSVSREAGFSYSHAGLSNRLARDNELRENDKEQLKAISTRDPLSEITEQEKDFLWSHRHYCVTIPEILPKLLLSVKWNSRDEVAQMYCLVKDWPPIKPEQAMELLDCNYPDPMVRGFAVRCLEKYLTDDKLSQYLIQLVQVLKYEQYLDNLLVRFLLKKALTNQRIGHFFFWHLKSEMHNKTVSQRFGLLLESYCRACGMYLKHLNRQVEAMEKLINLTDILKQEKKDETQKVQMKFLVEQMRRPDFMDALQGFLSPLNPAHQLGNLRLEECRIMSSAKRPLWLNWENPDIMsELLFQNNEIIFKNGDDLRQDMLTLQIIRIMENIWQNQGLDLRMLPYGCLSIGDCVGLIEVVRNSHTIMQIQCKGGLKGALQFNSHTLHQWLKDKNKGEIYDAAIDLFTRSCAGYCVATFILGIGDRHNSNIMVKDDGQLFHIDFGHFLDHKKKKFRERVPFVLTQDFLIVISKGAQECTKTREFERFQEMCYKAYLAIRQHANLFINLFSMMLGSGMPELQSFDDIAYIRKTLALDKTEQEALEYFMKQMNDAHHGGWT 1052
                                   -17    ||   6|       16        26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306 ||    330       340       350       360       370       380       390       400       419       429       439       449       459       469       479       489       499       509       519       529       539       549       559       569       579       589       599       609       619       629       639       649       659       669       679       689       699       709       719       729       739       749       759       769       779       789|      799       809       819       829       839       849       859       869       879       889       899       909       919       929       939     ||952       962       972       982       992      1002      1012      1022      1032      1042      1052
                                        -12|    |                                                                                                                                                                                                                                                                                                          308|                                                                                   409|                                                                                                                                                                                                                                                                                                                                                                                790-SEP                                                                                                                                                    945|                                                                                                       
                                           2    |                                                                                                                                                                                                                                                                                                           323                                                                                    419                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            949                                                                                                       
                                                7-SEP                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       


Chain B from PDB  Type:PROTEIN  Length:208
                                                                                                                                                                                                                                                 
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhh......................hhhhhhhhhh..................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhh... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                5sxc B  328 LQEWYREEVNEKLRDTGTFLTKDYTLTRKLIKSSVVELINHYRSLAQYNPKLLYPDNIEAVGKKLHEYNTQFQEKSREYDRLYEEYTRTSQEIQMKRTAIEAFNETIKIFEEQCQTQERYSKEYIEKFKGNEKEIQRIMHNYDKLKSRISEIIDSRRRLEEDLKKQAAEYREIDKRMNSIKPDLIQLRKTRDQYLMWLTVRQKKLNEW  597
                             || || 344     ||356|||   |380 ||    406  ||   418||  || 444       454       464       474       484       494       504       516       526       536       546       556       566       576       589        
                           329| ||       350|  |||| 371||| ||       409|    419|  ||                                                                      513|                                                                  585|        
                            332 ||        353  ||||  373|| ||        412     424  ||                                                                       516                                                                   589        
                              334|           356|||   374| ||                   427|                                                                                                                                                        
                               340            362||    380 ||                    440                                                                                                                                                        
                                               363|      382|                                                                                                                                                                               
                                                367       399
   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 5SXC)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 5SXC)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 5SXC)

(-) Gene Ontology  (109, 132)

Asymmetric/Biological Unit(hide GO term definitions)

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    Arg A:4 - Pro A:5   [ RasMol ]  
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  5sxc
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  P85A_HUMAN | P27986
    Comparative Protein Structure Models: ModBase
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  PK3CA_HUMAN | P42336
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  2.7.1.153
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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        P85A_HUMAN | P27986: 1a0n 1azg 1h9o 1pbw 1pht 1pic 1pks 1pkt 2iug 2iuh 2iui 2rd0 2v1y 3hhm 3hiz 3i5r 3i5s 4a55 4jps 4l1b 4l23 4l2y 4ovu 4ovv 4waf 4ykn 4zop 5aul 5fi4 5gji 5itd 5m6u 5sw8 5swg 5swo 5swp 5swr 5swt 5sx8 5sx9 5sxa 5sxb 5sxd 5sxe 5sxf 5sxi 5sxj 5sxk 5ubt 5uk8 5ukj 5ul1 5vlr
        PK3CA_HUMAN | P42336: 2enq 2rd0 3hhm 3hiz 3zim 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 5sxd 5sxe 5sxf 5sxi 5sxj 5sxk 5ubr 5uk8 5ukj 5ul1

(-) Related Entries Specified in the PDB File

5sw8 5swg 5swo 5swp 5swr 5swt 5sx8 5sx9 5sxa 5sxb 5sxd 5sxe 5sxf 5sxi 5sxj 5sxk