>sp|Q21CB6|IHFB_RHOPB Integration host factor subunit beta OS=Rhodopseudomonas palustris GN=ihfB MIKSELVQRIAEHNPHLYQRDVENIVNAILDEIVAALARGDRVELRGFGAFSVKHRPARA GRNPRTGAHVPVDQKSVPFFKTGKEMRERLNRDTGAPDSGA