Structure of PDB 2ax4 Chain C Binding Site BS01

Receptor Information

>2ax4 Chain C (length=198) Species: 9606 (Homo sapiens)

QAHHVSRNKRGQVVGTRGGFRGCTVWLTGLSGAGKTTISFALEEYLVSHA
IPCYSLDGDNVRHGLNRNLGFSPGDREENIRRIAEVAKLFADAGLVCITS
FISPFAKDRENARKIHESAGLPFFEIFVDAPLNICESRDVKGLYKRARAG
EIKGFTGIDSDYEKPETPERVLKTNLSTVSDCVHQVVELLQEQNIVPY

Ligand information

• Ligand ID: ADP
• InChI: InChI=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
• InChIKey: XTWYTFMLZFPYCI-KQYNXXCUSA-N
• SMILES:
  OpenEye OEToolkits 1.5.0: c1nc(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 3.341: Nc1ncnc2n(cnc12)[CH]3O[CH](CO[P](O)(=O)O[P](O)(O)=O)[CH](O)[CH]3O
  ACDLabs 10.04: O=P(O)(O)OP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
  CACTVS 3.341: Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P@@](O)(=O)O[P](O)(O)=O)[C@@H](O)[C@H]3O
  OpenEye OEToolkits 1.5.0: c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)O)O)O)N
• Formula: C10 H15 N5 O10 P2
• Name: ADENOSINE-5'-DIPHOSPHATE
• ChEMBL: CHEMBL14830
• DrugBank: DB16833
• ZINC: ZINC000012360703
• PDB chain: 2ax4 Chain B Residue 801

Receptor-Ligand Complex Structure

Structure summary

• PDB: 2ax4 Crystal structure of the kinase domain of PAPSS 2
• Resolution: 2.5 Å
• Binding residue (original residue number in PDB): Q223 N224
• Binding residue (residue number reindexed from 1): Q193 N194
• Annotation score: 5

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

External links

• PDB: RCSB:2ax4, PDBe:2ax4, PDBj:2ax4
• PDBsum: 2ax4
• UniProt: O95340|PAPS2_HUMAN Bifunctional 3'-phosphoadenosine 5'-phosphosulfate synthase 2 (Gene Name=PAPSS2)