>sp|A9R4H1|IBPB_YERPG Small heat shock protein IbpB OS=Yersinia pestis bv. Antiqua GN=ibpB MRNYDLSPLLRQWIGFDKLASTMQGGQEPQGFPPYNIEKTDDNHYRISLALAGFKQSELD IEVEGPRLTVRGKPTPVEKQVEYLHQGLVRKEFSLTFTLAEHLNVDNAQFENGLLHIDLL RQVPEALQPQRIAIGSATPQERQVLESPEAPDQQ