The domain within your query sequence starts at position 238 and ends at position 353; the E-value for the QueC domain shown below is 5.3e-9.

KVLVLLSGGVDSTVCTALLNRALNQDQVIAVHIDNGFMRKRESQSVEEALKKLGIQVKVI
NAAHSFYNGTTTLPISDEDRTPRKRISKTLNMTTSPEEKRKIIGDTFVKIANEVIG

QueC

QueC
PFAM accession number:PF06508
Interpro abstract (IPR018317): Queuosine biosynthesis protein (QueC), also known as 7-cyano-7-deazaguanine synthase, catalyzes the ATP-dependent conversion of 7-carboxy-7-deazaguanine (CDG) to 7-cyano-7-deazaguanine (preQ0) [(PUBMED:16199558), (PUBMED:19354300), (PUBMED:18491386)].

This is a PFAM domain. For full annotation and more information, please see the PFAM entry QueC