Structure of PDB 8i1n Chain D Binding Site BS01

Receptor Information
>8i1n Chain D (length=196) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
HHVSRNKRGQVVGTRGGFRGCTVWLTGLSGAGKTTISFALEEYLVSHAIP
CYSLDGDNVRHGLNRNLGFSPGDREENIRRIAEVAKLFADAGLVCITSFI
SPFAKDRENARKIHESAGLPFFEIFVDAPLNICESRDVKGLYKRARAGEI
KGFTGIDSDYEKPETPERVLKTNLSTVSDCVHQVVELLQEQNIVPY
Ligand information
Ligand IDADP
InChIInChI=1S/C10H15N5O10P2/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(17)6(16)4(24-10)1-23-27(21,22)25-26(18,19)20/h2-4,6-7,10,16-17H,1H2,(H,21,22)(H2,11,12,13)(H2,18,19,20)/t4-,6-,7-,10-/m1/s1
InChIKeyXTWYTFMLZFPYCI-KQYNXXCUSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=O)(O)OP(=O)(O)O)O)O)N
CACTVS 3.341Nc1ncnc2n(cnc12)[CH]3O[CH](CO[P](O)(=O)O[P](O)(O)=O)[CH](O)[CH]3O
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
CACTVS 3.341Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P@@](O)(=O)O[P](O)(O)=O)[C@@H](O)[C@H]3O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)O)O)O)N
FormulaC10 H15 N5 O10 P2
NameADENOSINE-5'-DIPHOSPHATE
ChEMBLCHEMBL14830
DrugBankDB16833
ZINCZINC000012360703
PDB chain8i1n Chain D Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB8i1n Redox switching mechanism of the adenosine 5'-phosphosulfate kinase domain (APSK2) of human PAPS synthase 2.
Resolution2.8 Å
Binding residue
(original residue number in PDB)		G52 A53 G54 K55 T56 T57 R158 T194
Binding residue
(residue number reindexed from 1)		G30 A31 G32 K33 T34 T35 R136 T172
Annotation score5
Enzymatic activity
Enzyme Commision number 2.7.1.25: adenylyl-sulfate kinase.
2.7.7.4: sulfate adenylyltransferase.
Gene Ontology
Molecular Function
GO:0004020 adenylylsulfate kinase activity
GO:0005524 ATP binding
Biological Process
GO:0000103 sulfate assimilation

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:8i1n, PDBe:8i1n, PDBj:8i1n
PDBsum8i1n
PubMed37207644
UniProtO95340|PAPS2_HUMAN Bifunctional 3'-phosphoadenosine 5'-phosphosulfate synthase 2 (Gene Name=PAPSS2)

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