>tr|A0A9D9BV74|A0A9D9BV74_PROMR Urease subunit gamma OS=Prochlorococcus marinus CUG1433 GN=ureA MHLSPQEKDKLLIFSAALLAERRLSRGLKLNYPETIAFLSFQVLEGARDGKSVSQLMSEG TTWLSKSQVMEGIPEMVDEVQIEAVFPDGTKLVTIHNPIN