SMB-1

Accession ARO:3000854
CARD Short NameSMB-1
DefinitionSMB-1 can hydrolyze a variety of beta-lactams, including penicillins, cephalosporins, and carbapenems. It was identified in Serratia marcescens.
AMR Gene FamilySMB beta-lactamase
Drug Classpenam, carbapenem, cephalosporin
Resistance Mechanismantibiotic inactivation
Classification16 ontology terms | Show
Parent Term(s)1 ontology terms | Show
+ SMB beta-lactamase [AMR Gene Family]
Publications

Wachino J, et al. 2012. Acta Crystallogr Sect F Struct Biol Cryst Commun 68(PT 3): 343-346. Crystallization and preliminary X-ray analysis of the subclass B3 metallo-beta-lactamase SMB-1 that confers carbapenem resistance. (PMID 22442240)

Resistomes

Prevalence of SMB-1 among the sequenced genomes, plasmids, and whole-genome shotgun assemblies available at NCBI or IslandViewer for 413 important pathogens (see methodological details and complete list of analyzed pathogens). Values reflect percentage of genomes, plasmids, genome islands, or whole-genome shotgun assemblies that have at least one hit to the AMR detection model. Default view includes percentages calculated based on Perfect plus Strict RGI hits. Select the checkbox to view percentages based on only Perfect matches to AMR reference sequences curated in CARD (note: this excludes resistance via mutation as references in protein variant models are often wild-type, sensitive sequences).

Prevalence: protein homolog model

SpeciesNCBI ChromosomeNCBI PlasmidNCBI WGSNCBI GI
No prevalence data


Detection Models

Model Type: protein homolog model

Model Definition: Protein Homolog Models (PHM) detect protein sequences based on their similarity to a curated reference sequence, using curated BLASTP bitscore cut-offs. Protein Homolog Models apply to all genes that confer resistance through their presence in an organism, such as the presence of a beta-lactamase gene on a plasmid. PHMs include a reference sequence and a bitscore cut-off for detection using BLASTP. A Perfect RGI match is 100% identical to the reference protein sequence along its entire length, a Strict RGI match is not identical but the bit-score of the matched sequence is greater than the curated BLASTP bit-score cutoff, Loose RGI matches have a bit-score less than the curated BLASTP bit-score cut-off.

Bit-score Cut-off (blastP): 500


>gb|BAL14456.1|+|SMB-1 [Serratia marcescens]
MKIIASLILAAFASVAQAQDRDWSSPQQPFTIYGNTHYVGTGGISAVLLSSPQGHILVDGTTEKGAQVVAANIRAMGFKLSDVKYILSTH
SHEDHAGGISAMQKLTGATVLAGAANVDTLRTGVSPKSDPQFGSLSNFPGSAKVRAVADGELVKLGPLAVKAHATPGHTEGGITWTWQSC
EQGKCKDVVFADSLTAVSADSYRFSDHPEVVASLRGSFEAVEKLSCDIAIAAHPEVNDMWTRQQRAAKEGNSAYVDNGACRAIAAAGRKR
LETRLASEKR


>gb|AB636283.1|+|1-843|SMB-1 [Serratia marcescens]
ATGAAAATCATCGCTTCCCTGATCCTGGCGGCGTTTGCGTCTGTTGCGCAGGCGCAGGATCGTGATTGGAGCTCGCCGCAGCAGCCATTC
ACCATCTACGGCAATACCCATTACGTCGGCACCGGCGGCATCAGTGCGGTGCTGCTGTCCTCACCGCAAGGCCATATCCTGGTCGATGGC
ACCACCGAGAAGGGCGCGCAGGTTGTGGCTGCCAATATCCGTGCCATGGGCTTCAAGCTGTCGGACGTGAAGTACATCCTCAGCACCCAT
TCGCATGAGGACCATGCGGGCGGCATCTCGGCCATGCAGAAGCTGACCGGCGCTACGGTGCTGGCGGGGGCTGCGAATGTGGATACCTTG
CGCACCGGTGTCTCGCCCAAGAGCGATCCGCAATTCGGCTCGCTGTCGAACTTCCCCGGCTCGGCAAAAGTGCGCGCGGTGGCTGATGGG
GAGCTGGTGAAACTGGGGCCGCTGGCTGTCAAGGCCCATGCCACGCCGGGGCATACCGAGGGCGGCATCACCTGGACCTGGCAGTCCTGC
GAACAGGGCAAGTGCAAGGACGTGGTCTTCGCGGACAGCCTGACTGCAGTTTCCGCCGACAGCTATCGTTTCTCCGATCATCCGGAAGTG
GTGGCGTCGCTGCGCGGCAGCTTTGAGGCGGTGGAGAAGCTGTCCTGCGATATCGCGATTGCCGCCCATCCGGAAGTGAACGATATGTGG
ACGCGCCAGCAGCGCGCGGCAAAAGAGGGGAATTCGGCTTACGTGGATAACGGCGCTTGCCGCGCCATCGCGGCAGCCGGCCGCAAACGG
CTTGAAACCCGCCTGGCCAGCGAGAAACGCTGA