Structure of PDB 2nmp Chain B

Receptor sequence
>2nmpB (length=376) Species: 9606 (Homo sapiens) [Search protein sequence]
GFLPHFQHFATQAIHVGQDPEQWTSRAVVPPISLSTTFKQGAPGQHSGFE
YSRSGNPTRNCLEKAVAALDGAKYCLAFASGLAATVTITHLLKAGDQIIC
MDDVYGGTNRYFRQVASEFGLKISFVDCSKIKLLEAAITPETKLVWIETP
TNPTQKVIDIEGCAHIVHKHGDIILVVDNTFMSPYFQRPLALGADISMYS
ATKYMNGHSDVVMGLVSVNCESLHNRLRFLQNSLGAVPSPIDCYLCNRGL
KTLHVRMEKHFKNGMAVAQFLESNPWVEKVIYPGLPSHPQHELVKRQCTG
CTGMVTFYIKGTLQHAEIFLKNLKLFTLAESLGGFESLAELPAIISDTLI
RLSVGLEDEEDLLEDLDQALKAAHPP
3D structure
PDB2nmp Structural basis for the inhibition mechanism of human cystathionine gamma-lyase, an enzyme responsible for the production of H(2)S
ChainB
Resolution2.6 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) R62 Y114 D187 K212
Catalytic site (residue number reindexed from 1) R53 Y105 D178 K203
Enzyme Commision number 4.4.1.1: cystathionine gamma-lyase.
4.4.1.2: homocysteine desulfhydrase.
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 PLP B Y60 R62 Y51 R53
Gene Ontology
Molecular Function
GO:0004123 cystathionine gamma-lyase activity
GO:0005515 protein binding
GO:0005516 calmodulin binding
GO:0016829 lyase activity
GO:0030170 pyridoxal phosphate binding
GO:0042802 identical protein binding
GO:0044540 L-cystine L-cysteine-lyase (deaminating)
GO:0047982 homocysteine desulfhydrase activity
GO:0080146 L-cysteine desulfhydrase activity
GO:0098606 selenocystathionine gamma-lyase activity
Biological Process
GO:0006534 cysteine metabolic process
GO:0006629 lipid metabolic process
GO:0018272 protein-pyridoxal-5-phosphate linkage via peptidyl-N6-pyridoxal phosphate-L-lysine
GO:0019343 cysteine biosynthetic process via cystathionine
GO:0019344 cysteine biosynthetic process
GO:0019346 transsulfuration
GO:0030968 endoplasmic reticulum unfolded protein response
GO:0043066 negative regulation of apoptotic process
GO:0043123 positive regulation of canonical NF-kappaB signal transduction
GO:0044524 protein sulfhydration
GO:0051092 positive regulation of NF-kappaB transcription factor activity
GO:0051289 protein homotetramerization
GO:0070814 hydrogen sulfide biosynthetic process
GO:1904831 positive regulation of aortic smooth muscle cell differentiation
GO:1990830 cellular response to leukemia inhibitory factor
GO:2001234 negative regulation of apoptotic signaling pathway
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0070062 extracellular exosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2nmp, PDBe:2nmp, PDBj:2nmp
PDBsum2nmp
PubMed19019829
UniProtP32929|CGL_HUMAN Cystathionine gamma-lyase (Gene Name=CTH)

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