Chains and heterogens:
PDB Chain Sequences:
>3awkA (A:) gpgmtikgsgsaafegtrlcprvikpdgpatilaigtsnptnifeqstypdfffdvtncn dktelkkkfqricdksgikkrhfhltdeilrknpsickfkeasldprqdiavlevpklak eaaisaikqwgqpkskithlvfattsgvdmpgadfqlakllglrptvkrvmlyqqgcyag atvlrvakdlaennkgarvlvacsevtavtfrapsethldglvgsalfgdgaaalivgsd pvpqeekplfeihwageavlpdsdgainghlreaglifhllkdvpglisknidkvlaepl eyvhfpsyndmfwavhpggpaildqieaklglstdkmqasrdvlasygnmssasvlfvld qirknseelhlpttgegfewgfvigfgpgltvetlllrsini
>3awkA (A:) vikpdgpatilaigtsnptnifeqstypdfffdvtncndktelkkkfqricdksgikkrh fhltdeilrknpsickfkeasldprqdiavlevpklakeaaisaikqwgqpkskithlvf attsgvdmpgadfqlakllglrptvkrvmlyqqgcyagatvlrvakdlaennkgarvlva csevtavtfrapsethldglvgsalfgdgaaalivgsdpvpqeekplfeihwageavlpd sdgainghlreaglifhllkdvpglisknidkvlaepleyvhfpsyndmfwavhpggpai ldqieaklglstdkmqasrdvlasygnmssasvlfvldqirknseelhlpttgegfewgf vigfgpgltvetlllrsini