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(-) Description

Title :  CRYSTAL STRUCTURE OF THE G PROTEIN-GATED INWARD RECTIFIER K+ CHANNEL GIRK2 (KIR3.2) IN COMPLEX WITH THE BETA-GAMMA G PROTEIN SUBUNITS
 
Authors :  M. R. Whorton, R. Mackinnon
Date :  27 Apr 13  (Deposition) - 12 Jun 13  (Release) - 11 Sep 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.45
Chains :  Asym. Unit :  A,B,G
Biol. Unit 1:  A,B,G  (4x)
Keywords :  Metal Transport, Ion Channel, Potassium Channel, Inward Rectification, Sodium Binding, Pip2 Binding, G Protein Binding (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. R. Whorton, R. Mackinnon
X-Ray Structure Of The Mammalian Girk2-Beta Gamma G-Protein Complex.
Nature V. 498 190 2013
PubMed-ID: 23739333  |  Reference-DOI: 10.1038/NATURE12241

(-) Compounds

Molecule 1 - G PROTEIN-ACTIVATED INWARD RECTIFIER POTASSIUM CHANNEL 2
    ChainsA
    EngineeredYES
    Expression SystemPICHIA PASTORIS
    Expression System PlasmidPPICZ
    Expression System StrainSMD1163
    Expression System Taxid4922
    Expression System Vector TypeSTABLE CELL LINE
    GeneKCNJ6
    Organism CommonMOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
 
Molecule 2 - GUANINE NUCLEOTIDE-BINDING PROTEIN G(I)/G(S)/G(T) SUBUNIT BETA-1
    ChainsB
    EngineeredYES
    Expression SystemSPODOPTERA FRUGIPERDA
    Expression System PlasmidPFASTBAC
    Expression System Taxid7108
    Expression System Vector TypeBACULOVIRUS
    GeneGNB1
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymTRANSDUCIN BETA CHAIN 1
 
Molecule 3 - GUANINE NUCLEOTIDE-BINDING PROTEIN G(I)/G(S)/G(O) SUBUNIT GAMMA-2
    ChainsG
    EngineeredYES
    Expression SystemSPODOPTERA FRUGIPERDA
    Expression System PlasmidPFASTBAC
    Expression System Taxid7108
    Expression System Vector TypeBACULOVIRUS
    GeneGNG2
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymG GAMMA-I

 Structural Features

(-) Chains, Units

  123
Asymmetric Unit ABG
Biological Unit 1 (4x)ABG

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 8)

Asymmetric Unit (4, 8)
No.NameCountTypeFull Name
1K5Ligand/IonPOTASSIUM ION
2LMT1Ligand/IonDODECYL-BETA-D-MALTOSIDE
3NA1Ligand/IonSODIUM ION
4PIO1Ligand/Ion[(2R)-2-OCTANOYLOXY-3-[OXIDANYL-[(1R,2R,3S,4R,5R,6S)-2,3,6-TRIS(OXIDANYL)-4,5-DIPHOSPHONOOXY-CYCLOHEXYL]OXY-PHOSPHORYL]OXY-PROPYL] OCTANOATE
Biological Unit 1 (2, 8)
No.NameCountTypeFull Name
1K-1Ligand/IonPOTASSIUM ION
2LMT4Ligand/IonDODECYL-BETA-D-MALTOSIDE
3NA-1Ligand/IonSODIUM ION
4PIO4Ligand/Ion[(2R)-2-OCTANOYLOXY-3-[OXIDANYL-[(1R,2R,3S,4R,5R,6S)-2,3,6-TRIS(OXIDANYL)-4,5-DIPHOSPHONOOXY-CYCLOHEXYL]OXY-PHOSPHORYL]OXY-PROPYL] OCTANOATE

(-) Sites  (7, 7)

Asymmetric Unit (7, 7)
No.NameEvidenceResiduesDescription
1AC1SOFTWARELYS A:64 , LYS A:90 , TRP A:91 , ARG A:92 , LYS A:194 , LYS A:199 , LYS A:200BINDING SITE FOR RESIDUE PIO A 401
2AC2SOFTWAREGLY A:156 , TYR A:157 , K A:403BINDING SITE FOR RESIDUE K A 402
3AC3SOFTWAREILE A:155 , K A:402 , K A:404BINDING SITE FOR RESIDUE K A 403
4AC4SOFTWARETHR A:154 , ILE A:155 , K A:403 , K A:405BINDING SITE FOR RESIDUE K A 404
5AC5SOFTWARETHR A:154 , K A:404BINDING SITE FOR RESIDUE K A 405
6AC6SOFTWAREASP A:228 , ARG A:230 , SER A:232 , LEU A:275BINDING SITE FOR RESIDUE NA A 407
7AC7SOFTWAREHIS A:68 , HIS A:69 , ASN A:231BINDING SITE FOR RESIDUE LMT A 408

(-) SS Bonds  (1, 1)

Asymmetric Unit
No.Residues
1A:134 -A:166

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4KFM)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4KFM)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4KFM)

(-) Exons   (0, 0)

(no "Exon" information available for 4KFM)

(-) Sequences/Alignments

Asymmetric 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:328
                                                                                                                                                                                                                                                                                                                                                                        
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..............ee...hhhhhhhhhhhhhh.......ee...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.eee...eeeeee..eeeeeeeeee.....eeeeeeeeeee..ee.....ee...eeee................eeeeee.............hhhhh..eeeeeeeeee.....eeeeeeeee...eee.eee...eeee..eeee.hhhh..eee......hhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4kfm A  55 IQRYVRKDGKCNVHHGNVRETYRYLTDIFTTLVDLKWRFNLLIFVMVYTVTWLFFGMIWWLIAYIRGDMDHIEDPSWTPCVTNLNGFVSAFLFSIETETTIGYGYRVITDKCPEGIILLLIQSVLGSIVNAFMVGCMFVKISQPKKRAETLVFSTHAVISMRDGKLCLMFRVGDLRNSHIVEASIRAKLIKSKQTSEGEFIPLNQTDINVGYYTGDDRLFLVSPLIISHEINQQSPFWEISKAQLPKEELEIVVILEGMVEATGMTCQARSSYITSEILWGYRFTPVLTLEDGFYEVDYNSFHETYETSTPSLSAKELAELANRAESN 382
                                    64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374        

Chain B from PDB  Type:PROTEIN  Length:339
                                                                                                                                                                                                                                                                                                                                                                                   
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhh...........eeeee......eeeeee.....eeeeee...eeeeee.....eeeeee.....eeeeee.....eeeeee....eeeee........eeeeee......eeeeeeee..eeeeee...eeeeee.....eeeeee.....eeeeee.....eeeeee....eeeee....eeeeee......eeeeee.....eeeeee....eeeee....eeeeee........eeeeee.....eeeeee...eeeeee.....eeeeee.....eeeeee......eeeee....eeee. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4kfm B   2 SELDQLRQEAEQLKNQIRDARKACADATLSQITNNIDPVGRIQMRTRRTLRGHLAKIYAMHWGTDSRLLVSASQDGKLIIWDSYTTNKVHAIPLRSSWVMTCAYAPSGNYVACGGLDNICSIYNLKTREGNVRVSRELAGHTGYLSCCRFLDDNQIVTSSGDTTCALWDIETGQQTTTFTGHTGDVMSLSLAPDTRLFVSGACDASAKLWDVREGMCRQTFTGHESDINAICFFPNGNAFATGSDDATCRLFDLRADQELMTYSHDNIICGITSVSFSKSGRLLLAGYDDFNCNVWDALKADRAGVLAGHDNRVSCLGVTDDGMAVATGSWDSFLKIWN 340
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331         

Chain G from PDB  Type:PROTEIN  Length:60
                                                                                            
               SCOP domains ------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------ Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhh................... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------ Transcript
                 4kfm G   8 SIAQARKLVEQLKMEANIDRIKVSKAAADLMAYCEAHAKEDPLLTPVPASENPFREKKFF  67
                                    17        27        37        47        57        67

   Legend:   → Mismatch (orange background)
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    → 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 4KFM)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4KFM)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4KFM)

(-) Gene Ontology  (55, 81)

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 Related Entries

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

UniProtKB/Swiss-Prot
        GBB1_HUMAN | P628731a0r 1tbg 4pnk 5he0 5he1 5he2 5he3 5ukk 5ukl 5ukm 5uz7
        GBG2_HUMAN | P597685he0 5he1 5he2 5he3 5ukk 5ukl 5ukm 5uz7
        KCNJ6_MOUSE | P485422e4f 3agw 3at8 3at9 3ata 3atb 3atd 3ate 3atf 3auw 3sya 3syc 3syo 3syp 3syq 3vsq
        Q8C4T8_MOUSE | Q8C4T83agw 3vsq

(-) Related Entries Specified in the PDB File

3sya 3syc 3syo 3syp 3syq