Structure of PDB 1kh2 Chain A

Receptor sequence
>1kh2A (length=380) Species: 274 (Thermus thermophilus) [Search protein sequence]
MKIVLAYSGGLDTSIILKWLKETYRAEVIAFTADIGQGEEVEEAREKALR
TGASKAIALDLKEEFVRDFVFPMMRAGAVYEGYYLLGTSIARPLIAKHLV
RIAEEEGAEAIAHGATGKGNDQVRFELTAYALKPDIKVIAPWREWSFQGR
KEMIAYAEAHGIPVPPYSMDANLLHISYEGGVLEDPWAEPPKGMFRMTQD
PEEAPDAPEYVEVEFFEGDPVAVNGERLSPAALLQRLNEIGGRHGVGRVD
IVENRFVGMKSRGVYETPGGTILYHARRAVESLTLDREVLHQRDMLSPKY
AELVYYGFWYAPEREALQAYFDHVARSVTGVARLKLYKGNVYVVGRKAPK
SLYRGYDQKDAEGFIKIQALRLRVRALVER
3D structure
PDB1kh2 Crystal structure of argininosuccinate synthetase from Thermus thermophilus HB8. Structural basis for the catalytic action.
ChainA
Resolution2.3 Å
3D
structure
Catalytic site residues are labeled in the structure
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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.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 ATP A A6 S8 G10 D12 T13 A33 I95 G114 F125 A6 S8 G10 D12 T13 A33 I95 G114 F125
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

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

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