Brand  (β version)

PDB ID: 1KMK

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Ligands
Code Name Style Show Link
PLP Pyridoxal-5'-phosphate PoSSuM
SEC Selenocysteine PoSSuM
Non-standard Residues
Code Name Show
CSZ S-selanyl cysteine
Glycosylation
Code Name Emphasize
Modification
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Structure summary

Code : 1KMK   PDBj   RCSB PDB   PDBe
Header : LYASE
Title : E. coli NifS/CsdB protein at 2.20A with the cysteine perselenide intermediate (residue CSZ).
Release Data : 2001-12-21
Compound :
mol_id molecule chains synonym
1 SELENOCYSTEINE LYASE A NIFS/CSDB, SELENOCYSTEINE REDUCTASE, SELENOCYSTEINE BETA-LYASE, SCL
ec: 4.4.1.16
Source :
mol_id organism_scientific expression_system
1 Escherichia coli  (taxid:562) Escherichia coli  (taxid:562)
Authors : Lima, C.D., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)
Keywords : nifs selenocysteine cysteine persulfide perselenide xray, Structural Genomics, PSI, Protein Structure Initiative, New York SGX Research Center for Structural Genomics, NYSGXRC, LYASE
Exp. method : X-RAY DIFFRACTION ( 2.2 Å )
Citation :

Analysis of the E. coli NifS CsdB protein at 2.0 A reveals the structural basis for perselenide and persulfide intermediate formation.

Lima, C.D.
(2002)  J.Mol.Biol.  315 : 1199 - 1208

PubMed: 11827487
DOI: 10.1006/jmbi.2001.5308

Reaction

Chain : A
UniProt : P77444 (SUFS_ECOLI)
Reaction: EC: Evidence:
Physiological Direction:
[sulfur carrier]-H + L-cysteine = [sulfur carrier]-SH + L- alanine 2.8.1.7 PubMed:10329673
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AH2 + L-selenocysteine = A + H(+) + hydrogenselenide + L- alanine 4.4.1.16 PubMed:10329673
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3-sulfino-L-alanine + H2O = H(+) + L-alanine + sulfite - PubMed:10329673
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