Structure of PDB 1cl1 Chain B

Receptor sequence
>1cl1B (length=392) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
KKLDTQLVNAGRSKKYTLGAVNSVIQRASSLVFDSVEAKKHATRNRANGE
LFYGRRGTLTHFSLQQAMCELEGGAGCVLFPCGAAAVANSILAFIEQGDH
VLMTNTAYEPSQDFCSKILSKLGVTTSWFDPLIGADIVKHLQPNTKIVFL
ESPGSITMEVHDVPAIVAAVRSVVPDAIIMIDNTWAAGVLFKALDFGIDV
SIQAATKYLVGHSDAMIGTAVCNARCWEQLRENAYLMGQMVDADTAYITS
RGLRTLGVRLRQHHESSLKVAEWLAEHPQVARVNHPALPGSKGHEFWKRD
FTGSSGLFSFVLKKKLNNEELANYLDNFSLFSMAYSWGGYESLILANQPE
HIAAIRPQGEIDFSGTLIRLHIGLEDVDDLIADLDAGFARIV
3D structure
PDB1cl1 Crystal structure of the pyridoxal-5'-phosphate dependent cystathionine beta-lyase from Escherichia coli at 1.83 A.
ChainB
Resolution1.83 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) R58 Y111 D185 K210
Catalytic site (residue number reindexed from 1) R55 Y108 D182 K207
Enzyme Commision number 4.4.1.13: cysteine-S-conjugate beta-lyase.
4.4.1.28: L-cysteine desulfidase.
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 BCT B Y111 X210 S339 W340 R372 Y108 X207 S336 W337 R369
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0008784 alanine racemase activity
GO:0016829 lyase activity
GO:0030170 pyridoxal phosphate binding
GO:0042802 identical protein binding
GO:0047804 cysteine-S-conjugate beta-lyase activity
GO:0080146 L-cysteine desulfhydrase activity
Biological Process
GO:0006520 amino acid metabolic process
GO:0009086 methionine biosynthetic process
GO:0019346 transsulfuration
GO:0019450 L-cysteine catabolic process to pyruvate
GO:0051289 protein homotetramerization
Cellular Component
GO:0005737 cytoplasm
GO:0032991 protein-containing complex

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Molecular Function
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Cellular Component
External links
PDB RCSB:1cl1, PDBe:1cl1, PDBj:1cl1
PDBsum1cl1
PubMed8831789
UniProtP06721|METC_ECOLI Cystathionine beta-lyase MetC (Gene Name=metC)

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