Structure of PDB 1niu Chain B Binding Site BS01

Receptor Information
>1niu Chain B (length=380) Species: 1422 (Geobacillus stearothermophilus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NDFHRDTWAEVDLDAIYDNVENLRRLLPDDTHIMAVVKANAYGHGDVQVA
RTALEAGASRLAVAFLDEALALREKGIEAPILVLGASRPADAALAAQQRI
ALTVFRSDWLEEASALYSGPFPIHFHLKMDTGMGRLGVKDEEETKRIVAL
IERHPHFVLEGLYTHFATADEVNTDYFSYQYTRFLHMLEWLPSRPPLVHC
ANSAASLRFPDRTFNMVRFGIAMYGLAPSPGIKPLLPYPLKEAFSLHSRL
VHVKKLQPGEKVSYGATYTAQTEEWIGTIPIGYADGWLRRLQHFHVLVDG
QKAPIVGRICMDQCMIRLPGPLPVGTKVTLIGRQGDEVISIDDVARHLET
INYEVPCTISYRVPRIFFRHKRIMEVRNAI
Ligand information
Ligand IDDCS
InChIInChI=1S/C11H16N3O7P/c1-6-10(15)8(3-13-9-5-20-14-11(9)16)7(2-12-6)4-21-22(17,18)19/h2,9,13,15H,3-5H2,1H3,(H,14,16)(H2,17,18,19)/t9-/m1/s1
InChIKeyNNRZSZJOQKAGTO-SECBINFHSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0Cc1c(c(c(cn1)COP(=O)(O)O)CN[C@@H]2CONC2=O)O
OpenEye OEToolkits 1.5.0Cc1c(c(c(cn1)COP(=O)(O)O)CNC2CONC2=O)O
CACTVS 3.341Cc1ncc(CO[P](O)(O)=O)c(CN[C@@H]2CONC2=O)c1O
CACTVS 3.341Cc1ncc(CO[P](O)(O)=O)c(CN[CH]2CONC2=O)c1O
ACDLabs 10.04O=C2NOCC2NCc1c(cnc(c1O)C)COP(=O)(O)O
FormulaC11 H16 N3 O7 P
NameD-[3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YLMETHYL]-N,O-CYCLOSERYLAMIDE;
D-PYRIDOXYL-N,O-CYCLOSERYLAMIDE-5-MONOPHOSPHATE
ChEMBL
DrugBankDB02038
ZINCZINC000002043174
PDB chain1niu Chain A Residue 800 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1niu A side reaction of alanine racemase: transamination of cycloserine.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		Y265 C311 M312
Binding residue
(residue number reindexed from 1)		Y264 C310 M311
Annotation score1
Binding affinityMOAD: Ki=0.08uM
Enzymatic activity
Catalytic site (original residue number in PDB) K39 R136 H166 R219 Y265 C311 D313
Catalytic site (residue number reindexed from 1) K38 R135 H165 R218 Y264 C310 D312
Enzyme Commision number 5.1.1.1: alanine racemase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0008784 alanine racemase activity
GO:0016853 isomerase activity
GO:0030170 pyridoxal phosphate binding
Biological Process
GO:0006522 alanine metabolic process
GO:0009252 peptidoglycan biosynthetic process
GO:0030632 D-alanine biosynthetic process
Cellular Component
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:1niu, PDBe:1niu, PDBj:1niu
PDBsum1niu
PubMed12741835
UniProtP10724|ALR_GEOSE Alanine racemase (Gene Name=alr)

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