Structure of PDB 1tas Chain B

Receptor sequence
>1tasB (length=401) Species: 9031 (Gallus gallus) [Search protein sequence]
SSWWSHVEMGPPDPILGVTEAFKRDTNSKKMNLGVGAYRDDNGKPYVLNC
VRKAEAMIAAKKMDKEYLPIAGLADFTRASAELALGENSEAFKSGRYVTV
QGISGTGSLRVGANFLQRFFKFSRDVYLPKPSWGNHTPIFRDAGLQLQAY
RYYDPKTCSLDFTGAMEDISKIPEKSIILLHACAHNPTGVDPRQEQWKEL
ASVVKKRNLLAYFDMAYQGFASGDINRDAWALRHFIEQGIDVVLSQSYAK
NMGLYGERAGAFTVICRDAEEAKRVESQLKILIRPMYSNPPMNGARIASL
ILNTPELRKEWLVEVKGMADRIISMRTQLVSNLKKEGSSHNWQHITDQIG
MFCFTGLKPEQVERLTKEFSIYMTKDGRISVAGVASSNVGYLAHAIHQVT
K
3D structure
PDB1tas Crystalline mitochondrial aspartate aminotransferase exists in only two conformations.
ChainB
Resolution2.8 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) W140 D222 A224 K258
Catalytic site (residue number reindexed from 1) W133 D214 A216 K250
Enzyme Commision number 2.6.1.1: aspartate transaminase.
2.6.1.7: kynurenine--oxoglutarate 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 PLA B Y70 R292 Y67 R284
BS02 PLA B I17 V37 G38 S107 G108 T109 W140 N194 D222 A224 Y225 S255 K258 R266 R386 I15 V35 G36 S104 G105 T106 W133 N186 D214 A216 Y217 S247 K250 R258 R378
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004069 L-aspartate:2-oxoglutarate aminotransferase activity
GO:0008483 transaminase activity
GO:0016212 kynurenine-oxoglutarate transaminase activity
GO:0030170 pyridoxal phosphate binding
GO:0042803 protein homodimerization activity
Biological Process
GO:0006103 2-oxoglutarate metabolic process
GO:0006520 amino acid metabolic process
GO:0006531 aspartate metabolic process
GO:0006533 aspartate catabolic process
GO:0006536 glutamate metabolic process
GO:0009058 biosynthetic process
Cellular Component
GO:0005739 mitochondrion
GO:0005759 mitochondrial matrix

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:1tas, PDBe:1tas, PDBj:1tas
PDBsum1tas
PubMed8120903
UniProtP00508|AATM_CHICK Aspartate aminotransferase, mitochondrial (Gene Name=GOT2)

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