Chains and heterogens:
PDB Chain Sequences:
>1go7P (P:) antssaynsvydflryhdrgdgltvngktsysidqaaaqitrenvswngtnvfgksanlt fkflqsvssipsgdtgfvkfnaeqieqaklslqswsdvanltftevtgnksanitfgnyt rdasgnldygtqayayypgnyqgagsswynynqsnirnpgseeygrqtfthkighalgla hpgeynagegdpsyndavyaedsyqfsicsywgenetgadynghyggapmiddiaaiqrl yganmttrtgdsvygfnsntdrdfytatdsskalifsvwdaggtdtfdfsgysnnqrinl negsfsdvgglkgnvsiahgvtienaiggsgndilvgnsadnilqggagndvlyggagad tlyggagrdtfvygsgqdstvaaydwiadfqkgidkidlsafrnegqlsfvqdqftgkgq evmlqwdaansitnlwlheaghssvdflvrivgqaaqsdiiv