>ATJ25946.1|SHV-203| class A beta-lactamase SHV-203 MRYIRLCIISLLATLPLAVHASPQPLEQIKQSESQLSGRVGMIEMDLASGRTLTAWRADERFPMVSTFKV VLCGAVLARVDAGDEQLERKIHYRQQDLVDYSPVSEKHLVDGMTVGELCAAAITMSDNSAANLLLATVGG PAGLTAFLRQIGDNVTRLDRWETELNEALPGDARDTTTPASMAATLRKLLTSQRLSARSQRQLLQWMVDD RVAGPLIRSVLPAGWFIADKTGAGERGARGIVALLGPNNKAERIVVIYLRDTPASMAERNQQIAGIGAAL IEHWQR