Structure of PDB 1f4e Chain A

Receptor sequence
>1f4eA (length=264) Species: 562 (Escherichia coli) [Search protein sequence]
MKQYLELMQKVLDEGTQKNDRTGTGTLSIFGHQMRFNLQDGFPLVTTKRC
HLRSIIHELLWFLQGDTNIAYLHENNVTIWDEWADENGDLGPVYGKQWRA
WPTPDGRHIDQITTVLNQLKNDPDSRRIIVSAWNVGELDKMALAPCHAFF
QFYVADGKLSCQLYQRSCDVFLGLPFNIASYALLVHMMAQQCDLEVGDFV
WTGGDTHLYSNHMDQTHLQLSREPRPLPKLIIKRKPESIFDYRFEDFEIE
GYDPHPGIKAPVAI
3D structure
PDB1f4e Site-directed ligand discovery.
ChainA
Resolution1.9 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) E58 W80 Y94 C146 R166 D169 P175
Catalytic site (residue number reindexed from 1) E58 W80 Y94 C146 R166 D169 P175
Enzyme Commision number 2.1.1.45: thymidylate synthase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 TPR A W80 Y94 H147 F176 W80 Y94 H147 F176 MOAD: Ki=1.1mM
PDBbind-CN: -logKd/Ki=2.96,Ki=1.1mM
BS02 TPR A Q64 G65 D66 Q64 G65 D66 MOAD: Ki=1.1mM
PDBbind-CN: -logKd/Ki=2.96,Ki=1.1mM
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003723 RNA binding
GO:0004799 thymidylate synthase activity
GO:0008168 methyltransferase activity
GO:0016741 transferase activity, transferring one-carbon groups
GO:0042803 protein homodimerization activity
Biological Process
GO:0006231 dTMP biosynthetic process
GO:0006235 dTTP biosynthetic process
GO:0006417 regulation of translation
GO:0009165 nucleotide biosynthetic process
GO:0009314 response to radiation
GO:0032259 methylation
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Cellular Component
External links
PDB RCSB:1f4e, PDBe:1f4e, PDBj:1f4e
PDBsum1f4e
PubMed10944209
UniProtP0A884|TYSY_ECOLI Thymidylate synthase (Gene Name=thyA)

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