Structure of PDB 4l27 Chain A Binding Site BS01

Receptor Information
>4l27 Chain A (length=485) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PLWIRPDAPSRCTWQLGRSESPHHHTAPAKSPKILPDILKKIGDTPMVRI
NKIGKKFGLKCELLAKCEFFNAGGSVKDRISLRMIEDAERDGTLKPGDTI
IEPTSGNTGIGLALAAAVRGYRCIIVMPEKMSSEKVDVLRALGAEIVRTP
TNARFDSPESHVGVAWRLKNEIPNSHILDQYRNASNPLAHYDTTADEILQ
QCDGKLDMLVASVGTGGTITGIARKLKEKCPGCRIIGVDPEGSILAEPEE
LNQTEQTTYEVEGIGYDFIPTVLDRTVVDKWFKSNDEEAFTFARMLIAQE
GLLCGGSAGSTVAVAVKAAQELQEGQRCVVILPDSVRNYMTKFLSDRWML
QKGFLKEEEKKPWWWHLRVQELGLSAPLTVLITCGTIEILREKGFNQAPV
VDEILGMVTLGNMLSSLLAGKVQPSDVGKVIYKQFKQIRLTDTLGRLSHI
LEMDHFALVVHERQMVFGVVTAIDLLNFVAAQERD
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 chain4l27 Chain A Residue 601 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4l27 Structural basis of regulation and oligomerization of human cystathionine beta-synthase, the central enzyme of transsulfuration.
Resolution3.391 Å
Binding residue
(original residue number in PDB)		K119 N149 V255 G256 T257 G258 T260 G305 I306 S349 P375 D376
Binding residue
(residue number reindexed from 1)		K77 N107 V213 G214 T215 G216 T218 G263 I264 S307 P333 D334
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) K77 S105 D239 S243 L245 S307 P333
Enzyme Commision number 4.2.1.22: cystathionine beta-synthase.
Gene Ontology
Molecular Function
GO:0004122 cystathionine beta-synthase activity
GO:0005515 protein binding
GO:0016829 lyase activity
GO:0019825 oxygen binding
GO:0019899 enzyme binding
GO:0020037 heme binding
GO:0030170 pyridoxal phosphate binding
GO:0031625 ubiquitin protein ligase binding
GO:0042802 identical protein binding
GO:0042803 protein homodimerization activity
GO:0046872 metal ion binding
GO:0050421 nitrite reductase (NO-forming) activity
GO:0070025 carbon monoxide binding
GO:0070026 nitric oxide binding
GO:0072341 modified amino acid binding
GO:1904047 S-adenosyl-L-methionine binding
Biological Process
GO:0001958 endochondral ossification
GO:0001974 blood vessel remodeling
GO:0006534 cysteine metabolic process
GO:0006535 cysteine biosynthetic process from serine
GO:0006563 L-serine metabolic process
GO:0006565 L-serine catabolic process
GO:0006801 superoxide metabolic process
GO:0009069 serine family amino acid metabolic process
GO:0010749 regulation of nitric oxide mediated signal transduction
GO:0019343 cysteine biosynthetic process via cystathionine
GO:0019344 cysteine biosynthetic process
GO:0019346 transsulfuration
GO:0019448 L-cysteine catabolic process
GO:0021587 cerebellum morphogenesis
GO:0031667 response to nutrient levels
GO:0042262 DNA protection
GO:0043066 negative regulation of apoptotic process
GO:0043418 homocysteine catabolic process
GO:0044272 sulfur compound biosynthetic process
GO:0050667 homocysteine metabolic process
GO:0051593 response to folic acid
GO:0060135 maternal process involved in female pregnancy
GO:0060351 cartilage development involved in endochondral bone morphogenesis
GO:0070814 hydrogen sulfide biosynthetic process
GO:0071456 cellular response to hypoxia
GO:0097746 blood vessel diameter maintenance
Cellular Component
GO:0005634 nucleus
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4l27, PDBe:4l27, PDBj:4l27
PDBsum4l27
PubMed24043838
UniProtP35520|CBS_HUMAN Cystathionine beta-synthase (Gene Name=CBS)

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