Structure of PDB 5k7x Chain B Binding Site BS01

Receptor Information
>5k7x Chain B (length=337) Species: 70601 (Pyrococcus horikoshii OT3) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PSVIVVGGQWGDEGKGSIVAYLSLHDEPEIIARGGVGTNAGHSVVINGKK
YAVRQIPTGFMQTKARLLIGAGVLVDPEVFFHELEQLKDFNVKDRVGIDY
RCAIIEEKHKQLDRTNGYLHGKIGTTGSGCGPANADRVMRKAKQAKDVKE
LEPYLTDVAQEINDALDEGSLVLVEGTQGFGLSLYYGTYPYVTSKDVTAS
SVAADVGIGPTRVDEVIVVFKSFPTRVGAGPFPTEMPMEEADRLGLVEYG
TVTGRRRRVGWFDFEMARYSARINGATMLAVTMLDKYDKEAFGVTDYDKL
PRKAKEFIEEIEERVGVPVGLIKTGPELEHIIDRRDT
Ligand information
Ligand IDGTP
InChIInChI=1S/C10H16N5O14P3/c11-10-13-7-4(8(18)14-10)12-2-15(7)9-6(17)5(16)3(27-9)1-26-31(22,23)29-32(24,25)28-30(19,20)21/h2-3,5-6,9,16-17H,1H2,(H,22,23)(H,24,25)(H2,19,20,21)(H3,11,13,14,18)/t3-,5-,6-,9-/m1/s1
InChIKeyXKMLYUALXHKNFT-UUOKFMHZSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6c1nc2c(n1[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=O)(O)O[P@](=O)(O)OP(=O)(O)O)O)O)N=C(NC2=O)N
CACTVS 3.370NC1=Nc2n(cnc2C(=O)N1)[C@@H]3O[C@H](CO[P](O)(=O)O[P](O)(=O)O[P](O)(O)=O)[C@@H](O)[C@H]3O
CACTVS 3.370NC1=Nc2n(cnc2C(=O)N1)[CH]3O[CH](CO[P](O)(=O)O[P](O)(=O)O[P](O)(O)=O)[CH](O)[CH]3O
OpenEye OEToolkits 1.7.6c1nc2c(n1C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OP(=O)(O)O)O)O)N=C(NC2=O)N
ACDLabs 12.01O=P(O)(O)OP(=O)(O)OP(=O)(O)OCC3OC(n2cnc1c2N=C(N)NC1=O)C(O)C3O
FormulaC10 H16 N5 O14 P3
NameGUANOSINE-5'-TRIPHOSPHATE
ChEMBLCHEMBL1233147
DrugBankDB04137
ZINCZINC000060094177
PDB chain5k7x Chain B Residue 400 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB5k7x Crystal structure of hypothetical adenylosuccinate synthetase, PH0438 from Pyrococcus horikoshii OT3
Resolution2.803 Å
Binding residue
(original residue number in PDB)		D13 E14 G15 K16 S18 G42 H43 S44 R258 M284 D286 K324 G326 P327
Binding residue
(residue number reindexed from 1)		D12 E13 G14 K15 S17 G41 H42 S43 R257 M283 D285 K323 G325 P326
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) D13 K16 G42 H43 Q179
Catalytic site (residue number reindexed from 1) D12 K15 G41 H42 Q178
Enzyme Commision number 6.3.4.4: adenylosuccinate synthase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0000287 magnesium ion binding
GO:0004019 adenylosuccinate synthase activity
GO:0005525 GTP binding
GO:0016874 ligase activity
GO:0046872 metal ion binding
Biological Process
GO:0006164 purine nucleotide biosynthetic process
GO:0044208 'de novo' AMP biosynthetic process
GO:0046040 IMP metabolic process
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:5k7x, PDBe:5k7x, PDBj:5k7x
PDBsum5k7x
PubMed
UniProtO58187|PURA_PYRHO Adenylosuccinate synthetase (Gene Name=purA)

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