Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2 FamilyBeta-eliminating lyases 8019974 4000674 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyPLP-dependent transferases 8032354 3000954 SCOP2 (2022-06-29)
BSCOP2B SuperfamilyPLP-dependent transferases 8032354 3000954 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyPLP-dependent transferases 8032354 3000954 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyPLP-dependent transferases 8032354 3000954 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
ABeta_elim_lyasee1ax4A2 A: a+b two layersX: C-terminal domain in some PLP-dependent transferases (From Topology)H: C-terminal domain in some PLP-dependent transferases (From Topology)T: C-terminal domain in some PLP-dependent transferasesF: Beta_elim_lyaseECOD (1.6)
AAminotran_5_Ne1ax4A3 A: a/b three-layered sandwichesX: PLP-dependent transferases (From Topology)H: PLP-dependent transferases (From Topology)T: PLP-dependent transferasesF: Aminotran_5_NECOD (1.6)
BBeta_elim_lyasee1ax4B2 A: a+b two layersX: C-terminal domain in some PLP-dependent transferases (From Topology)H: C-terminal domain in some PLP-dependent transferases (From Topology)T: C-terminal domain in some PLP-dependent transferasesF: Beta_elim_lyaseECOD (1.6)
BAminotran_5_Ne1ax4B3 A: a/b three-layered sandwichesX: PLP-dependent transferases (From Topology)H: PLP-dependent transferases (From Topology)T: PLP-dependent transferasesF: Aminotran_5_NECOD (1.6)
CBeta_elim_lyasee1ax4C2 A: a+b two layersX: C-terminal domain in some PLP-dependent transferases (From Topology)H: C-terminal domain in some PLP-dependent transferases (From Topology)T: C-terminal domain in some PLP-dependent transferasesF: Beta_elim_lyaseECOD (1.6)
CAminotran_5_Ne1ax4C3 A: a/b three-layered sandwichesX: PLP-dependent transferases (From Topology)H: PLP-dependent transferases (From Topology)T: PLP-dependent transferasesF: Aminotran_5_NECOD (1.6)
DBeta_elim_lyasee1ax4D2 A: a+b two layersX: C-terminal domain in some PLP-dependent transferases (From Topology)H: C-terminal domain in some PLP-dependent transferases (From Topology)T: C-terminal domain in some PLP-dependent transferasesF: Beta_elim_lyaseECOD (1.6)
DAminotran_5_Ne1ax4D3 A: a/b three-layered sandwichesX: PLP-dependent transferases (From Topology)H: PLP-dependent transferases (From Topology)T: PLP-dependent transferasesF: Aminotran_5_NECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B, C, D
PF01212Beta-eliminating lyase (Beta_elim_lyase)Beta-eliminating lyase- Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B, C, D
TRYPTOPHANASE - -

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
A, B, C, D
LLP Parent Component: LYS

RESIDAA0119

PSI-MOD :  N6-pyridoxal phosphate-L-lysine MOD:00128

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

ChainsEnzyme NameDescriptionCatalytic Residues
A, B
tryptophanase  M-CSA #410

Tryptophan indole-lyase (also known as tryptophanase or Trpase) is a pyridoxal 5'-phosphate (PLP) dependent enzyme that catalyses the reversible beta-elimination reaction of L-Tryptophan to form indole and ammonium pyruvate. The enzyme has been found in a wide variety of Gram-negative bacteria.

Defined by 7 residues: PHE:A-132ASP:A-133ASP:A-223ALA:A-225LYS:A-266HIS:A-458TYR:B-72
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