Structure of PDB 1qmh Chain B

Receptor sequence
>1qmhB (length=335) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
MIALDGAQGEGGGQILRSALSLSMITGQPFTITSIRAGRAKPGLLRQHLT
AVKAATEICGATVEGAELGSQRLLFRPGTVRGGDYRFAIGSAGSCTLVLQ
TVLPALWFADGPSRVEVSGGTDNPSAPPADFIRRVLEPLLAKIGIHQQTT
LLRHGFYPAGGGVVATEVSPVASFNTLQLGERGNIVQMRGEVLLAGVPRH
VAEREIATLAGSFSLHEQNIHNLPRDQGPGNTVSLEVESENITERFFVVG
EKRVSAEVVAAQLVKEVKRYLASTAAVGEYLADQLVLPMALAGAGEFTVA
HPSCHLLTNIAVVERFLPVRFSLIETDGVTRVSIE
3D structure
PDB1qmh Crystal Structure of RNA 3'-Terminal Phosphate Cyclase, a Ubiquitous Enzyme with Unusual Topology
ChainB
Resolution2.1 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) E14 H309
Catalytic site (residue number reindexed from 1) E10 H305
Enzyme Commision number 6.5.1.4: RNA 3'-terminal-phosphate cyclase (ATP).
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 DTO B N235 G254 E255 K256 N231 G250 E251 K252
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0003963 RNA-3'-phosphate cyclase activity
GO:0005524 ATP binding
GO:0016874 ligase activity
Biological Process
GO:0006396 RNA processing
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1qmh, PDBe:1qmh, PDBj:1qmh
PDBsum1qmh
PubMed10673421
UniProtP46849|RTCA_ECOLI RNA 3'-terminal phosphate cyclase (Gene Name=rtcA)

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