Structure of PDB 7mh1 Chain K Binding Site BS04

Receptor Information
>7mh1 Chain K (length=557) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MKYILVTGGVISGIGKGIIASSIGTILKSCGLRVTAIKIDPYINIDAGTF
SPYEHGEVFVLNDGGEVDLDLGNYERFLDINLYKDNNITTGKIYQHVINK
ERRGDYLGKTVQVVPHITDAVQEWVMNQAKVPVDGNKEEPQICVIELGGT
IGDIEGMPFVEAFRQFQFKAKRENFCNIHVSLVPQLSATGEQKTKPTQNS
VRALRGLGLSPDLIVCRSSTPIEMAVKEKISMFCHVNPEQVICIHDVSST
YRVPVLLEEQSIVKYFKERLHLPIGDSASNLLFKWRNMADRYERLQKICS
IALVGKYTKLRDCYASVFKALEHSALAINHKLNLMYIDSIDLEKITETED
PVKFHEAWQKLCKADGILVPGGFGIRGTLGKLQAISWARTKKIPFLGVCL
GMQLAVIEFARNCLNLKDADSTEFRPNAPVPLVIDMPEHNPGNLGGTMRL
GIRRTVFKTENSILRKLYGDVPFIEERHRHRFEVNPNLIKQFEQNDLSFV
GQDVDGDRMEIIELANHPYFVGVQFHPEFSSRPMKPSPPYLGLLLAATGN
LNAYLQQ
Ligand information
Ligand IDCTP
InChIInChI=1S/C9H16N3O14P3/c10-5-1-2-12(9(15)11-5)8-7(14)6(13)4(24-8)3-23-28(19,20)26-29(21,22)25-27(16,17)18/h1-2,4,6-8,13-14H,3H2,(H,19,20)(H,21,22)(H2,10,11,15)(H2,16,17,18)/t4-,6-,7-,8-/m1/s1
InChIKeyPCDQPRRSZKQHHS-XVFCMESISA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0C1=CN(C(=O)N=C1N)C2C(C(C(O2)COP(=O)(O)OP(=O)(O)OP(=O)(O)O)O)O
OpenEye OEToolkits 1.5.0C1=CN(C(=O)N=C1N)[C@H]2[C@@H]([C@@H]([C@H](O2)CO[P@](=O)(O)O[P@](=O)(O)OP(=O)(O)O)O)O
CACTVS 3.341NC1=NC(=O)N(C=C1)[CH]2O[CH](CO[P](O)(=O)O[P](O)(=O)O[P](O)(O)=O)[CH](O)[CH]2O
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OP(=O)(O)OCC2OC(N1C(=O)N=C(N)C=C1)C(O)C2O
CACTVS 3.341NC1=NC(=O)N(C=C1)[C@@H]2O[C@H](CO[P@@](O)(=O)O[P@@](O)(=O)O[P](O)(O)=O)[C@@H](O)[C@H]2O
FormulaC9 H16 N3 O14 P3
NameCYTIDINE-5'-TRIPHOSPHATE
ChEMBLCHEMBL223533
DrugBankDB02431
ZINCZINC000003861746
PDB chain7mh1 Chain L Residue 604 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB7mh1 Structural basis for isoform-specific inhibition of human CTPS1.
Resolution2.8 Å
Binding residue
(original residue number in PDB)		K193 T194 K195 Q198 K229 F233
Binding residue
(residue number reindexed from 1)		K193 T194 K195 Q198 K229 F233
Annotation score4
Enzymatic activity
Enzyme Commision number 6.3.4.2: CTP synthase (glutamine hydrolyzing).
Gene Ontology
Molecular Function
GO:0003883 CTP synthase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0016874 ligase activity
GO:0042802 identical protein binding
Biological Process
GO:0006220 pyrimidine nucleotide metabolic process
GO:0006221 pyrimidine nucleotide biosynthetic process
GO:0006241 CTP biosynthetic process
GO:0006541 glutamine metabolic process
GO:0019637 organophosphate metabolic process
GO:0019856 pyrimidine nucleobase biosynthetic process
GO:0044210 'de novo' CTP biosynthetic process
Cellular Component
GO:0005737 cytoplasm
GO:0005739 mitochondrion
GO:0005829 cytosol
GO:0097268 cytoophidium

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7mh1, PDBe:7mh1, PDBj:7mh1
PDBsum7mh1
PubMed34583994
UniProtQ9NRF8|PYRG2_HUMAN CTP synthase 2 (Gene Name=CTPS2)

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