Structure of PDB 4yek Chain B

Receptor sequence
>4yekB (length=440) Species: 90371 (Salmonella enterica subsp. enterica serovar Typhimurium) [Search protein sequence]
MFLAQEIIRKKRDGHALSDEEIRFFINGIRDNTISEGQIAALAMTIFFHD
MTMPERVSLTMAMRDSGTVLDWKSLNLNGPIVDKHSTGGVGDVTSLMLGP
MVAACGGYVPMISGRGLGHTGGTLDKLEAIPGFDIFPDDNRFREIIQDVG
VAIIGQTSSLAPADKRFYATRDITATVDSIPLITGSILAKKLAEGLDALV
MDVKVGSGAFMPTYELSEALAEAIVGVANGAGVRTTALLTDMNQVLASSA
GNAVEVREAVQFLTGEYRNPRLFDVTMALCVEMLISGQLAKDDAEARAKL
QAVLDNGKAAEVFGRMVAAQKGPSDFVENYDKYLPTAMLSKAVYADTEGF
ISAMDTRALGMAVVSMGGGRRQASDTIDYSVGFTDMARLGDSIDGQRPLA
VIHAKDEASWQEAAKAVKAAIILDDKAPASTPSVYRRITE
3D structure
PDB4yek Structural investigation of the thymidine phosphorylase from Salmonella typhimurium in the unliganded state and its complexes with thymidine and uridine.
ChainB
Resolution2.55 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D83 K84 H85 S86 T123 D164 R171 S186 K190 K191
Catalytic site (residue number reindexed from 1) D83 K84 H85 S86 T123 D164 R171 S186 K190 K191
Enzyme Commision number 2.4.2.4: thymidine phosphorylase.
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 THM B S248 Q261 Y267 T384 D385 S248 Q261 Y267 T384 D385
BS02 THM B H85 T87 Y168 R171 S186 H85 T87 Y168 R171 S186
Gene Ontology
Molecular Function
GO:0004645 1,4-alpha-oligoglucan phosphorylase activity
GO:0009032 thymidine phosphorylase activity
GO:0016154 pyrimidine-nucleoside phosphorylase activity
GO:0016757 glycosyltransferase activity
GO:0016763 pentosyltransferase activity
Biological Process
GO:0006206 pyrimidine nucleobase metabolic process
GO:0006213 pyrimidine nucleoside metabolic process
GO:0046104 thymidine metabolic process
Cellular Component
GO:0005829 cytosol

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Cellular Component
External links
PDB RCSB:4yek, PDBe:4yek, PDBj:4yek
PDBsum4yek
PubMed26919527
UniProtQ7CP66|TYPH_SALTY Thymidine phosphorylase (Gene Name=deoA)

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