1I29
CRYSTAL STRUCTURE OF CSDB COMPLEXED WITH L-PROPARGYLGLYCINE
External Resource: Annotation
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
A | d1i29a_ | Alpha and beta proteins (a/b) | PLP-dependent transferase-like | PLP-dependent transferases | Cystathionine synthase-like | NifS-like protein/selenocysteine lyase | (Escherichia coli ) [TaxId: 562 ], | SCOPe (2.08) |
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
Domain Annotation: ECOD Classification ECOD Database Homepage
Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
A | KOG1383 | e1i29A3 | A: a+b two layers | X: 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 transferases | F: KOG1383 | ECOD (1.6) |
A | Aminotran_5_N | e1i29A2 | A: a/b three-layered sandwiches | X: PLP-dependent transferases (From Topology) | H: PLP-dependent transferases (From Topology) | T: PLP-dependent transferases | F: Aminotran_5_N | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
---|---|---|---|---|---|---|
A | 3.90.1150.10 | Alpha Beta | Alpha-Beta Complex | Aspartate Aminotransferase, domain 1 | Aspartate Aminotransferase, domain 1 | CATH (4.3.0) |
A | 3.40.640.10 | Alpha Beta | 3-Layer(aba) Sandwich | Aspartate Aminotransferase | domain 2 | CATH (4.3.0) |
Protein Family Annotation Pfam Database Homepage
Chains | Accession | Name | Description | Comments | Source |
---|---|---|---|---|---|
PF00266 | Aminotransferase class-V (Aminotran_5) | Aminotransferase class-V | This domain is found in amino transferases, and other enzymes including cysteine desulphurase EC:4.4.1.-. | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
Chains | Accession | Name | Type |
---|---|---|---|
IPR020578 | Aminotransferase class-V, pyridoxal-phosphate binding site | Binding Site | |
IPR015421 | Pyridoxal phosphate-dependent transferase, major domain | Homologous Superfamily | |
IPR015422 | Pyridoxal phosphate-dependent transferase, small domain | Homologous Superfamily | |
IPR015424 | Pyridoxal phosphate-dependent transferase | Homologous Superfamily | |
IPR010970 | Cysteine desulfurase, SufS | Family | |
IPR000192 | Aminotransferase class V domain | Domain |
Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage
Chains | Enzyme Name | Description | Catalytic Residues |
---|---|---|---|
cysteine desulfurase M-CSA #855 | The NifS-like protein belongs to the alpha family of pyridoxal-5' phosphate dependent enzymes also known as the aminotransferase class V. They act to remove the sulphur from L-Cysteine in a stereo conserved mechanism, forming L-Alanine and an enzyme-sulphanyl-cysteine component which loses the additional sulphur to acceptor proteins (the mechanism for this last step is not covered in this entry). The sulphur can be used to make compounds such as Iron-Sulphur clusters, biotin and tRNA thio-nucleotides. The Escheria Coli protein is also able to catalyse selenocysteine deselenation in which L-selenocysteine is converted to selenium in the form of hydrogen selenium and L-alanine. Selenocysteine lyase has the ability to discriminate between selenium and sulfur, whereas many sulphur enzymes cannot. There are few examples of selenium-containing substrates. | Defined by 5 residues: HIS:A-123ASP:A-200GLN:A-203LYS:A-226CYS:A-364 | EC: 4.4.1.16 (PDB Primary Data) EC: 3.13.1 (UniProt) EC: 2.8.1.7 (UniProt) |