Structure of PDB 3rzp Chain B

Receptor sequence
>3rzpB (length=258) Species: 666 (Vibrio cholerae) [Search protein sequence]
NQYDPSLLQPVPRSLNRNDLHLSATLPFQGCDIWTLYELSWLNQKGLPQV
AIGEVSIPATSANLIESKSFKLYLNSYNQTRFASWDEVQTRLVHDLSACA
GETVTVNVKSLNEYTAEPIVTMQGECIDDQDIEIANYEFDDALLQGAAQG
EEVSEVLHSHLLKSNALITQPDWGSVEIAYHGAKMNREALLRYLVSFREH
NEFHEQCVERIFTDIMRYCQPQSLTVYARYTRRGGLDINPFRSSHQSAPN
HNQRMARQ
3D structure
PDB3rzp Crystal Structure of the C194A mutant of 7-cyano-7-deazaguanine reductase, QueF from Vibrio cholerae complexed with preQ1
ChainB
Resolution2.0 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) A194 T197 D201 H233 E234
Catalytic site (residue number reindexed from 1) A166 T169 D172 H204 E205
Enzyme Commision number 1.7.1.13: preQ1 synthase.
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 PRF B W62 I93 E94 S95 D201 F232 H233 E234 I267 W34 I65 E66 S67 D172 F203 H204 E205 I238
Gene Ontology
Molecular Function
GO:0003674 molecular_function
GO:0016491 oxidoreductase activity
GO:0033739 preQ1 synthase activity
GO:0046857 oxidoreductase activity, acting on other nitrogenous compounds as donors, with NAD or NADP as acceptor
Biological Process
GO:0006400 tRNA modification
GO:0008150 biological_process
GO:0008616 queuosine biosynthetic process
Cellular Component
GO:0005575 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:3rzp, PDBe:3rzp, PDBj:3rzp
PDBsum3rzp
PubMed
UniProtQ9KTK0|QUEF_VIBCH NADPH-dependent 7-cyano-7-deazaguanine reductase (Gene Name=queF)

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