Curation Notes: ureB (C5CXZ9, Vapar_4242) in Variovorax paradoxus S110 (VARPS)

Summary

• Gene / Locus: ureB (Vapar_4242, UniProtKB C5CXZ9, Swiss-Prot reviewed, 101 aa).
• Genomic Context: Encoded on Chromosome 1 (CP001635, Han et al. 2011, PMID:21183664(https://pubmed.ncbi.nlm.nih.gov/21183664/)) immediately upstream of ureC (Vapar_4243, C5CY00).
• Subunit Role: Beta structural subunit (HAMAP MF_01954, InterPro:IPR002019, Pfam:PF00699) of the cytoplasmic $(\text{UreABC})_3$ urease complex (GO:0035550, PMID:8718850(https://pubmed.ncbi.nlm.nih.gov/8718850/)). Enables GO:0005198 (structural molecule activity) and contributes_to GO:0009039 (urease activity) in MODULE:urease_biogenesis_urea_hydrolysis.