Structure of PDB 6nba Chain B Binding Site BS02

Receptor Information
>6nba Chain B (length=389) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GFLPHFQHFATQAIHVGQDPEQWTSRAVVPPISLSTTFKQGAPGQHSGFE
YSRSGNPTRNCLEKAVAALDGAKYCLAFASGLAATVTITHLLKAGDQIIC
MDDVYGGTNRYFRQVASEFGLKISFVDCSKIKLLEAAITPETKLVWIETP
TNPTQKVIDIEGCAHIVHKHGDIILVVDNTFMSPYFQRPLALGADISMYS
ATKYMNGHSDVVMGLVSVNCESLHNRLRFLQNSLGAVPSPIDCYLCNRGL
KTLHVRMEKHFKNGMAVAQFLESNPWVEKVIYPGLPSHPQHELVKRQCTG
CTGMVTFYIKGTLQHAEIFLKNLKLFTLAESLGGFESLAELPAIMTHASV
LKNDRDVLGISDTLIRLSVGLEDEEDLLEDLDQALKAAH
Ligand information
Ligand IDP1T
InChIInChI=1S/C11H15N2O7P/c1-6-10(14)9(4-13-7(2)11(15)16)8(3-12-6)5-20-21(17,18)19/h3,13-14H,2,4-5H2,1H3,(H,15,16)(H2,17,18,19)
InChIKeyBXUDKFHCAMQSRX-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0Cc1c(c(c(cn1)COP(=O)(O)O)CNC(=C)C(=O)O)O
CACTVS 3.341Cc1ncc(CO[P](O)(O)=O)c(CNC(=C)C(O)=O)c1O
ACDLabs 10.04O=P(O)(O)OCc1cnc(c(O)c1CNC(=C)/C(=O)O)C
FormulaC11 H15 N2 O7 P
Name2-[({3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY)METHYL]PYRIDIN-4-YL}METHYL)AMINO]ACRYLIC ACID
ChEMBL
DrugBank
ZINCZINC000103552502
PDB chain6nba Chain B Residue 501 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB6nba S-3-Carboxypropyl-l-cysteine specifically inhibits cystathionine gamma-lyase-dependent hydrogen sulfide synthesis.
Resolution2.495 Å
Binding residue
(original residue number in PDB)		G90 Y114 E157 N161 D187 S209 K212 S340 T355 R375
Binding residue
(residue number reindexed from 1)		G81 Y105 E148 N152 D178 S200 K203 S331 T346 R366
Annotation score1
Enzymatic activity
Enzyme Commision number 4.4.1.1: cystathionine gamma-lyase.
4.4.1.2: homocysteine desulfhydrase.
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:6nba, PDBe:6nba, PDBj:6nba
PDBsum6nba
PubMed31160338
UniProtP32929|CGL_HUMAN Cystathionine gamma-lyase (Gene Name=CTH)

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