>6yka_B mol:protein length:342 5,10-methenyltetrahydromethanopterin hydrogenaseMTIKKVAILGAGCYRTHSATGITNFARACEVAEMVGKPEIAMTHSTIAMAAELKYLAGIDNIVISDPSFAGEFTVVKDFDYNEVIKAHKENPETIMPKIREKVNELAKTVPKPPKGAIHFVHPEDLGLKVTTDDREAVRDADLIITWLPKGDMQKGIIEKFAGDIKQGAIITHACTIPTTLFYKIFEELGIADKVEVTSYHPGAVPEMKGQVYIAEGYASEEAINTIYELGKKARGHAFKLPAELIGPVCDMCAALTAITYAGLLVYRDAVMNILGAPAGFSQMMATESLEQITAYMKKVGIKNLEENLDPGVFLGTADSMNFGPIAEILPTVLKSLEKRAK