Structure of PDB 1m54 Chain F Binding Site BS01

Receptor Information
>1m54 Chain F (length=344) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RPDAPSRCTWQLGRPASESPHHHTAPAKSPKILPDILKKIGDTPMVRINK
IGKKFGLKCELLAKCEFFNAGGSVKDRISLRMIEDAERDGTLKPGDTIIE
PTSGNTGIGLALAAAVRGYRCIIVMPEKMSSEKVDVLRALGAEIVRTESH
VGVAWRLKNEIPNSHILDQYRNASNPLAHYDTTADEILQQCDGKLDMLVA
SVGTGGTITGIARKLKEKCPGCRIIGVDPEGSILAEPEELNQTEQTTYEV
EGIGYDFIPTVLDRTVVDKWFKSNDEEAFTFARMLIAQEGLLCGGSAGST
VAVAVKAAQELQEGQRCVVILPDSVRNYMTKFLSDRWMLQKGFL
Ligand information
Ligand IDPLP
InChIInChI=1S/C8H10NO6P/c1-5-8(11)7(3-10)6(2-9-5)4-15-16(12,13)14/h2-3,11H,4H2,1H3,(H2,12,13,14)
InChIKeyNGVDGCNFYWLIFO-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341Cc1ncc(CO[P](O)(O)=O)c(C=O)c1O
OpenEye OEToolkits 1.5.0Cc1c(c(c(cn1)COP(=O)(O)O)C=O)O
ACDLabs 10.04O=P(O)(O)OCc1cnc(c(O)c1C=O)C
FormulaC8 H10 N O6 P
NamePYRIDOXAL-5'-PHOSPHATE;
VITAMIN B6 Phosphate
ChEMBLCHEMBL82202
DrugBankDB00114
ZINCZINC000001532514
PDB chain1m54 Chain F Residue 1610 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1m54 HUMAN CYSTATHIONINE BETA-SYNTHASE IS A HEME SENSOR PROTEIN. EVIDENCE THAT THE REDOX SENSOR IS HEME AND NOT THE VICINAL CYSTEINES IN THE CXXC MOTIF SEEN IN THE CRYSTAL STRUCTURE OF THE TRUNCATED ENZYME
Resolution2.9 Å
Binding residue
(original residue number in PDB)		K119 N149 S254 V255 G256 T257 G259 T260 G305 S349 P375 D376
Binding residue
(residue number reindexed from 1)		K75 N105 S201 V202 G203 T204 G206 T207 G252 S296 P322 D323
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) K119 S147 D281 S285 L287 S349 P375
Catalytic site (residue number reindexed from 1) K75 S103 D228 S232 L234 S296 P322
Enzyme Commision number 4.2.1.22: cystathionine beta-synthase.
Gene Ontology
Molecular Function
GO:0004122 cystathionine beta-synthase activity
Biological Process
GO:0006535 cysteine biosynthetic process from serine
GO:0019343 cysteine biosynthetic process via cystathionine
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1m54, PDBe:1m54, PDBj:1m54
PDBsum1m54
PubMed12173932
UniProtP35520|CBS_HUMAN Cystathionine beta-synthase (Gene Name=CBS)

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