>6yk9_C mol:protein length:342 5,10-methenyltetrahydromethanopterin hydrogenaseMTIKKVAILGAGCYRTHSATGITNFARACEVAEMVGKPEIAMTHSTIAMAAELKYLAGIDNIVISDPSFAGEFTVVKDFDYNEVIKAHKENPETIMPKIREKVNELAKTVPKPPKGAIHFVHPEDLGLKVTTDDREAVRDADLIITWLPKGDMQKGIIEKFAGDIKQGAIITHACTIPTTLFYKIFEELGIADKVEVTSYHPGAVPEMKGQVYIAEGYASEEAINTIYELGKKARGHAFKLPAELIGPVCDMCAALTAITYAGLLVYRDAVMNILGAPAGFSQMMATESLEQITAYMKKVGIKNLEENLDPGVFLGTADSMNFGPIAEILPTVLKSLEKRAK