Structure of PDB 1kh2 Chain A Binding Site BS01

Receptor Information
>1kh2 Chain A (length=380) Species: 274 (Thermus thermophilus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MKIVLAYSGGLDTSIILKWLKETYRAEVIAFTADIGQGEEVEEAREKALR
TGASKAIALDLKEEFVRDFVFPMMRAGAVYEGYYLLGTSIARPLIAKHLV
RIAEEEGAEAIAHGATGKGNDQVRFELTAYALKPDIKVIAPWREWSFQGR
KEMIAYAEAHGIPVPPYSMDANLLHISYEGGVLEDPWAEPPKGMFRMTQD
PEEAPDAPEYVEVEFFEGDPVAVNGERLSPAALLQRLNEIGGRHGVGRVD
IVENRFVGMKSRGVYETPGGTILYHARRAVESLTLDREVLHQRDMLSPKY
AELVYYGFWYAPEREALQAYFDHVARSVTGVARLKLYKGNVYVVGRKAPK
SLYRGYDQKDAEGFIKIQALRLRVRALVER
Ligand information
Ligand IDATP
InChIInChI=1S/C10H16N5O13P3/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(17)6(16)4(26-10)1-25-30(21,22)28-31(23,24)27-29(18,19)20/h2-4,6-7,10,16-17H,1H2,(H,21,22)(H,23,24)(H2,11,12,13)(H2,18,19,20)/t4-,6-,7-,10-/m1/s1
InChIKeyZKHQWZAMYRWXGA-KQYNXXCUSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=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[P](O)(O)=O)[CH](O)[CH]3O
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[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
CACTVS 3.341Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P@](O)(=O)O[P@@](O)(=O)O[P](O)(O)=O)[C@@H](O)[C@H]3O
FormulaC10 H16 N5 O13 P3
NameADENOSINE-5'-TRIPHOSPHATE
ChEMBLCHEMBL14249
DrugBankDB00171
ZINCZINC000004261765
PDB chain1kh2 Chain A Residue 510 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB1kh2 Crystal structure of argininosuccinate synthetase from Thermus thermophilus HB8. Structural basis for the catalytic action.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		A6 S8 G10 D12 T13 A33 I95 G114 F125
Binding residue
(residue number reindexed from 1)		A6 S8 G10 D12 T13 A33 I95 G114 F125
Annotation score5
Enzymatic activity
Catalytic site (original residue number in PDB) D12 R92 D121 S173
Catalytic site (residue number reindexed from 1) D12 R92 D121 S168
Enzyme Commision number 6.3.4.5: argininosuccinate synthase.
Gene Ontology
Molecular Function
GO:0004055 argininosuccinate synthase activity
GO:0005524 ATP binding
GO:0016874 ligase activity
Biological Process
GO:0000050 urea cycle
GO:0000053 argininosuccinate metabolic process
GO:0006526 L-arginine biosynthetic process
Cellular Component
GO:0005737 cytoplasm

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1kh2, PDBe:1kh2, PDBj:1kh2
PDBsum1kh2
PubMed11844799
UniProtP59846|ASSY_THET8 Argininosuccinate synthase (Gene Name=argG)

[Back to BioLiP]