>6yex_B mol:protein length:309 HNH endonucleaseMNYWWVSQKQTFKQEFEGGYMWSPKENKNGTQSHYYNNMTLVQPGDVVFSFANGLILSVGIARSHAYSYNKPTEFGVAGADWANDGWKIDLEYHLVENKIRPKAHIDFIRPYLPQKYSPLQDNGNGNQAYLFSVPHELASKVVELIGSEAEEVIFGFADTTEITTTADAIECQISNDASIDETEKHQLVKSRRGQGIFRSRLEQVESRCRVTGVQLKNHLIASHIKPWAVSNNQERLDGHNGLLLAPHVDHLFDKGFISFEDNGEMIVSEKLNLDVLKAWSISQGNYGYFSKQQQEYMCYHRENVFKKL