>8rxi_B mol:protein length:88 Periplasmic [Fe] hydrogenase small subunitVKQIKDYMLDRINGVYGADAKFPVRASQDNTQVKALYKSYLEKPLGHKSHDLLHTHWFDKSKGVKELTTAGKLPNPRASEFEGPYPYE