Structure of PDB 1arg Chain B Binding Site BS01

Receptor Information
>1arg Chain B (length=396) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MFENITAAPADPILGLADLFRADERPGKINLGIGVYKDETGKTPVLTSVK
KAEQYLLENETTKNYLGIDGIPEFGRCTQELLFGKGSALINDKRARTAQT
PGGTGALRVAADFLAKNTSVKRVWVSNPSWPNHKSVFNSAGLEVREYAYY
DAENHTLDFDALINSLNEAQAGDVVLFHGCCHNPTGIDPTLEQWQTLAQL
SVEKGWLPLFDFAYQGFARGLEEDAEGLRAFAAMHKELIVASSYSKNFGL
YNERVGACTLVAADSETVDRAFSQMKAAIRANYSNPPAHGASVVATILSN
DALRAIWEQELTDMRQRIQRMRQLFVNTLQEKGANRDFSFIIKQNGMFSF
SGLTKEQVLRLREEFGVYAVASGRVNVAGMTPDNMAPLCEAIVAVL
Ligand information
Ligand IDPPD
InChIInChI=1S/C12H17N2O9P/c1-6-11(17)8(4-14-9(12(18)19)2-10(15)16)7(3-13-6)5-23-24(20,21)22/h3,9,14,17H,2,4-5H2,1H3,(H,15,16)(H,18,19)(H2,20,21,22)/t9-/m0/s1
InChIKeyUKHLSCZNRCHWTM-VIFPVBQESA-N
SMILES
SoftwareSMILES
CACTVS 3.341Cc1ncc(CO[P](O)(O)=O)c(CN[C@@H](CC(O)=O)C(O)=O)c1O
ACDLabs 10.04O=C(O)CC(C(=O)O)NCc1c(cnc(c1O)C)COP(=O)(O)O
CACTVS 3.341Cc1ncc(CO[P](O)(O)=O)c(CN[CH](CC(O)=O)C(O)=O)c1O
OpenEye OEToolkits 1.5.0Cc1c(c(c(cn1)COP(=O)(O)O)CNC(CC(=O)O)C(=O)O)O
OpenEye OEToolkits 1.5.0Cc1c(c(c(cn1)COP(=O)(O)O)CN[C@@H](CC(=O)O)C(=O)O)O
FormulaC12 H17 N2 O9 P
Name2-[(3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YLMETHYLENE)-AMINO]-SUCCINIC ACID;
PYRIDOXYL-ASPARTIC ACID-5-MONOPHOSPHATE
ChEMBL
DrugBank
ZINCZINC000015278583
PDB chain1arg Chain A Residue 411 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1arg Changing the reaction specificity of a pyridoxal-5'-phosphate-dependent enzyme.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		Y70 R292
Binding residue
(residue number reindexed from 1)		Y65 R280
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) W140 D222 A224 K258
Catalytic site (residue number reindexed from 1) W130 D211 A213 K246
Enzyme Commision number 2.6.1.1: aspartate transaminase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004069 L-aspartate:2-oxoglutarate aminotransferase activity
GO:0004838 L-tyrosine-2-oxoglutarate transaminase activity
GO:0008483 transaminase activity
GO:0030170 pyridoxal phosphate binding
GO:0042802 identical protein binding
GO:0042803 protein homodimerization activity
Biological Process
GO:0006520 amino acid metabolic process
GO:0009058 biosynthetic process
GO:0009094 L-phenylalanine biosynthetic process
GO:0033585 L-phenylalanine biosynthetic process from chorismate via phenylpyruvate
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

View graph for
Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1arg, PDBe:1arg, PDBj:1arg
PDBsum1arg
PubMed7556224
UniProtP00509|AAT_ECOLI Aspartate aminotransferase (Gene Name=aspC)

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