Structure of PDB 2qbt Chain A

Receptor sequence
>2qbtA (length=396) Species: 562 (Escherichia coli) [Search protein sequence]
MFENITAAPADPILGLADLFRADERPGKINLGIGVYKDETGKTPVLTSVK
KAEQYLLENETTKNYLGIDGIPEFGRCTQELLFGKGSALINDKRARTAQT
PGGTGALRVAADFLAKNTSVKRVWVSNPSWPNHKSVFNSAGLEVREYAYY
DAENHTLDFDALINSLNEAQAGDVVLFHGCCHNPTGIDPTLEQWQTLAQL
SVEKGWLPLFDFAYQGFARGLEEDAEGLRAFAAMHKELIVASSYSKNFGL
YNERVGACTLVAADSETVDRAFSQMKAAIRANYSNPPAHGASVVATILSN
DALRAIWEQELTDMRQRIQRMRQLFVNTLQEKGANRDFSFIIKQNGMFSF
SGLTKEQVLRLREEFGVYAVASGRVNVAGMTPDNMAPLCEAIVAVL
3D structure
PDB2qbt Inactivation of Escherichia coli l-Aspartate Aminotransferase by (S)-4-Amino-4,5-dihydro-2-thiophenecarboxylic Acid Reveals "A Tale of Two Mechanisms".
ChainA
Resolution1.75 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) W130 D211 A213 K246
Catalytic site (residue number reindexed from 1) W130 D211 A213 K246
Enzyme Commision number 2.6.1.1: aspartate transaminase.
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 PSZ A G34 G102 G103 T104 W130 N183 D211 A213 Y214 S243 S245 X246 R254 F348 R374 G34 G102 G103 T104 W130 N183 D211 A213 Y214 S243 S245 X246 R254 F348 R374
BS02 PMP A G103 T104 W130 N183 D211 Y214 S243 S245 X246 R254 G103 T104 W130 N183 D211 Y214 S243 S245 X246 R254
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

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:2qbt, PDBe:2qbt, PDBj:2qbt
PDBsum2qbt
PubMed17713924
UniProtP00509|AAT_ECOLI Aspartate aminotransferase (Gene Name=aspC)

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