Structure of PDB 5tkv Chain A

Receptor sequence
>5tkvA (length=532) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
MTTNYIFVTGGVVSSLGKGIAAASLAAILEARGLNVTIMKLDPYINVDPG
TMSPIQHGEVFVTEDGAETDLDLGHYERFIRTKMSRRNNFTTGRIYSDVL
RKERRGDYLGATVQVIPHITNAIKERVLEGGEGHDVVLVEIGGTVGDIES
LPFLEAIRQMAVEIGREHTLFMHLTLVPYMAASGEVKTKPTQHSVKELLS
IGIQPDILICRSDRAVPANERAKIALFCNVPEKAVISLKDVDSIYKIPGL
LKSQGLDDYICKRFSLNAPEANLSEWEQVIFEEANPVSEVTIGMVGKYIE
LPDAYKSVIEALKHGGLKNRVSVNIKLIDSQDVETRGVEILKGLDAILVP
GGFGYRGVEGMITTARFARENNIPYLGICLGMQVALIDYARHVANMENAN
STEFVPDCKYPVVALITEWRDENGNVEMRLGAQQCQLVDDSLVRQLYNAP
TIVERHRHRYEVNNMLLKQIEDAGLRVAGRSGDDQLVEIIEVPNHPWFVA
CQFHPEFTSTPRDGHPLFAGFVKAASEFQKRQ
3D structure
PDB5tkv Human CTP synthase filament structure reveals the active enzyme conformation.
ChainA
Resolution2.7 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 GLN A G351 G352 F353 C379 L380 Q383 E403 H469 R470 Y471 G351 G352 F353 C379 L380 Q383 E403 H458 R459 Y460
BS02 CTP A S14 D147 I148 E149 S14 D147 I148 E149
BS03 CTP A K187 T188 K189 Q192 K187 T188 K189 Q192
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003883 CTP synthase activity
GO:0004359 glutaminase activity
GO:0005524 ATP binding
GO:0016874 ligase activity
GO:0042802 identical protein binding
GO:0046872 metal ion binding
Biological Process
GO:0006221 pyrimidine nucleotide biosynthetic process
GO:0006241 CTP biosynthetic process
GO:0006541 glutamine metabolic process
GO:0019856 pyrimidine nucleobase biosynthetic process
GO:0044210 'de novo' CTP biosynthetic process
GO:0051289 protein homotetramerization
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0032991 protein-containing complex
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:5tkv, PDBe:5tkv, PDBj:5tkv
PDBsum5tkv
PubMed28459447
UniProtP0A7E5|PYRG_ECOLI CTP synthase (Gene Name=pyrG)

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