Structure of PDB 6pk4 Chain B

Receptor sequence
>6pk4B (length=559) Species: 9606 (Homo sapiens) [Search protein sequence]
MKYILVTGGVISGIGKGIIASSIGTILKSCGLRVTAIKIDPYINIDAGTF
SPYEHGEVFVLNDGGEVDLDLGNYERFLDINLYKDNNITTGKIYQHVINK
ERRGDYLGKTVQVVPHITDAVQEWVMNQAKVPVDGNKEEPQICVIELGGT
IGDIEGMPFVEAFRQFQFKAKRENFCNIHVSLVPQLSATGEQKTKPTQNS
VRALRGLGLSPDLIVCRSSTPIEMAVKEKISMFCHVNPEQVICIHDVSST
YRVPVLLEEQSIVKYFKERLHLPIGDSASNLLFKWRNMADRYERLQKICS
IALVGKYTKLRDCYASVFKALEHSALAINHKLNLMYIDSIDLEKITETED
PVKFHEAWQKLCKADGILVPGGFGIRGTLGKLQAISWARTKKIPFLGVCL
GMQLAVIEFARNCLNLKDADSTEFRPNAPVPLVIDMPEHNPGNLGGTMRL
GIRRTVFKTENSILRKLYGDVPFIEERHRHRFEVNPNLIKQFEQNDLSFV
GQDVDGDRMEIIELANHPYFVGVQFHPEFSSRPMKPSPPYLGLLLAATGN
LNAYLQQGC
3D structure
PDB6pk4 Coupled structural transitions enable highly cooperative regulation of human CTPS2 filaments.
ChainB
Resolution3.5 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 6.3.4.2: CTP synthase (glutamine hydrolyzing).
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 UTP B S12 Y42 H55 G149 S12 Y42 H55 G149
BS02 ATP B K16 G17 I18 D70 R217 K16 G17 I18 D70 R217
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

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:6pk4, PDBe:6pk4, PDBj:6pk4
PDBsum6pk4
PubMed31873303
UniProtQ9NRF8|PYRG2_HUMAN CTP synthase 2 (Gene Name=CTPS2)

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