Structure of PDB 1tsz Chain A Binding Site BS01

Receptor Information
>1tsz Chain A (length=316) Species: 1582 (Lacticaseibacillus casei) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MLEQPYLDLAKKVLDEGHFKPDRTHTGTYSIFGHQMRFDLSKGFPLLTTK
KVPFGLIKSELLWFLHGDTNIRFLLQHRNHIWDEWAFEKWVKSDEYHGPD
MTDFGHRSQKDPEFAAVYHEEMAKFDDRVLHDDAFAAKYGDLGLVYGSQW
RAWHTSKGDTIDQLGDVIEQIKTHPYSRKLIVSAWNPEDVPTMALPPCHT
LYQFYVNDGKLSLQLYQRSADIFLGVPFNIASYALLTHLVAHECGLEVGE
FIHTFGDAHLYVNHLDQIKEQLSRTPRPAPTLQLNPDKHDIFDFDMKDIK
LLNYDPYPAIKAPVAV
Ligand information
Ligand IDPO4
InChIInChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-3
InChIKeyNBIIXXVUZAFLBC-UHFFFAOYSA-K
SMILES
SoftwareSMILES
CACTVS 3.341[O-][P]([O-])([O-])=O
ACDLabs 10.04[O-]P([O-])([O-])=O
OpenEye OEToolkits 1.5.0[O-]P(=O)([O-])[O-]
FormulaO4 P
NamePHOSPHATE ION
ChEMBL
DrugBankDB14523
ZINC
PDB chain1tsz Chain A Residue 317 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1tsz Contribution of a salt bridge to binding affinity and dUMP orientation to catalytic rate: mutation of a substrate-binding arginine in thymidylate synthase.
Resolution2.75 Å
Binding residue
(original residue number in PDB)		R23 R218
Binding residue
(residue number reindexed from 1)		R23 R218
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) E60 W82 Y146 C198 R218 D221
Catalytic site (residue number reindexed from 1) E60 W82 Y146 C198 R218 D221
Enzyme Commision number 2.1.1.45: thymidylate synthase.
Gene Ontology
Molecular Function
GO:0004799 thymidylate synthase activity
GO:0008168 methyltransferase activity
GO:0016741 transferase activity, transferring one-carbon groups
Biological Process
GO:0006231 dTMP biosynthetic process
GO:0006235 dTTP biosynthetic process
GO:0009165 nucleotide biosynthetic process
GO:0032259 methylation
Cellular Component
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:1tsz, PDBe:1tsz, PDBj:1tsz
PDBsum1tsz
PubMed9053905
UniProtP00469|TYSY_LACCA Thymidylate synthase (Gene Name=thyA)

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