Structure of PDB 5d8g Chain A

Receptor sequence
>5d8gA (length=465) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
KHLPEPFRIRVIEPVKRTTRAYREEAIIKSGMNPFLLDSEDVFIDLLTDS
GTGAMTQSMQAAMMRGDEAYSGSRSYYALAESVKNIFGYQYTIPTHRGAE
QIYIPVLIKKREQEKGLDRSKMVAFSNYFFDTTQGHSQINGCTVRNVYIK
EAFDTGVRYDFKGNFDLEGLERGIEEVGPNNVPYIVATITSNSAGGQPVS
LANLKAMYSIAKKYDIPVVMDSARFAENAYFIKQREAEYKDWTIEQITRE
TYKYADMLAMSAKKDAMVPMGGLLCMKDDSFFDVYTECRTLCVVQEGFPT
YGGLEGGAMERLAVGLYDGMNLDWLAYRIAQVQYLVDGLEEIGVVCQQAG
GHAAFVDAGKLLPHIPADQFPAQALACELYKVAGIRAVEIGSFLLGRDPK
TGKQLPCPAELLRLTIPRATYTQTHMDFIIEAFKHVKENAANIKGLTFTY
EPKVLRHFTAKLKEV
3D structure
PDB5d8g A structural view of the dissociation of Escherichia coli tryptophanase.
ChainA
Resolution1.89 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) Y74 F136 D137 D227 A229 K270 I396 H463
Catalytic site (residue number reindexed from 1) Y70 F130 D131 D221 A223 K264 I390 H457
Enzyme Commision number 4.1.99.1: tryptophanase.
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 MG A D53 H358 T421 I422 D49 H352 T415 I416
BS02 CA A R69 E316 R65 E310
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0005515 protein binding
GO:0009034 tryptophanase activity
GO:0016829 lyase activity
GO:0016830 carbon-carbon lyase activity
GO:0030170 pyridoxal phosphate binding
GO:0030955 potassium ion binding
GO:0042802 identical protein binding
GO:0080146 L-cysteine desulfhydrase activity
Biological Process
GO:0006520 amino acid metabolic process
GO:0006568 tryptophan metabolic process
GO:0006569 tryptophan catabolic process
GO:0009072 aromatic amino acid metabolic process
GO:0042431 indole metabolic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0016020 membrane
GO:0032991 protein-containing complex
GO:0060187 cell pole

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:5d8g, PDBe:5d8g, PDBj:5d8g
PDBsum5d8g
PubMed26627645
UniProtP0A853|TNAA_ECOLI Tryptophanase (Gene Name=tnaA)

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