>4ykb_A mol:protein length:229 Tetrapyrrole-binding proteinMGSSHHHHHHSSGLVPRGSHMAGKLDSVSLFGGDTASLMGGSQTVEKKKSGKEAVMEVQLSSTAGIDYTVLRDHLANGEFREAEDETRALLIKLAGPEAVKRNWVYFTEVKNISVTDFQTLDNLWKASSNNKFGYSVQKEIWVQNQKRWPKFFKQIDWTQGENNNYRKWPMEFIYSMDAPRGHLPLTNALRGTQLFQAIMEHPAFEKSSTAKTLDQKAAEAAGRTQSLF