Chains and heterogens:
PDB Chain Sequences:
>4g55A (A:) gspefmaqilpirfqehlqlqnlginpanigfstltmesdkficirekvgeqaqvviidm ndpsnpirrpisadsaimnpaskvialkagktlqifniemkskmkahtmtddvtfwkwis lntvalvtdnavyhwsmegesqpvkmfdrhsslagcqiinyrtdakqkwllltgisaqqn rvvgamqlysvdrkvsqpieghaasfaqfkmegnaeestlfcfavrgqaggklhiievgt pptgnqpfpkkavdvffppeaqndfpvamqisekhdvvflitkygyihlydletgtciym nrisgetifvtapheatagiigvnrkgqvlsvcveeeniipyitnvlqnpdlalrmavrn nlagaeelf
>4g55A (A:) fmaqilpirfqehlqlqnlginpanigfstltmesdkficirekvgeqaqvviidmndps npirrpisadsaimnpaskvialkagktlqifniemkskmkahtmtddvtfwkwislntv alvtdnavyhwsmegesqpvkmfdrhsslagcqiinyrtdakqkwllltgisaqqnrvvg amqlysvdrkvsqpieghaasfaqfkmegnaeestlfcfavrgqaggklhiievgtpptg nqpfpkkavdvffppeaqndfpvamqisekhdvvflitkygyihlydletgtciymnris getifvtapheatagiigvnrkgqvlsvcveeeniipyitnvlqnpdlalrmavrnnl