Chains and heterogens:
PDB Chain Sequences:
>4gsaA (A:) fktiksdeifaaaqklmpggvsspvrafksvggqpivfdrvkdayawdvdgnryidyvgt wgpaicghahpeviealkvamekgtsfgapcalenvlaemvndavpsiemvrfvnsgtea cmavlrlmraytgrdkiikfegcyhghadmflvkagsgvatlglpsspgvpkkttantlt tpyndleavkalfaenpgeiagvilepivgnsgfivpdagfleglreitlehdallvfde vmtgfriayggvqekfgvtpdlttlgkiiggglpvgayggkreimqlvapagpmyqagtl sgnplamtagiktlellrqpgtyeyldqitkrlsdgllaiaqetghaacggqvsgmfgff ftegpvhnyedakksdlqkfsrfhrgmleqgiylapsqfeagftslahteedidatlaaa rtvmsal
>4gsaB (B:) fktiksdeifaaaqklmpggvsspvrafksvggqpivfdrvkdayawdvdgnryidyvgt wgpaicghahpeviealkvamekgtsfgapcalenvlaemvndavpsiemvrfvnsgtea cmavlrlmraytgrdkiikfegcyhghadmflvkagsgvatlglpsspgvpkkttantlt tpyndleavkalfaenpgeiagvilepivgnsgfivpdagfleglreitlehdallvfde vmtgfriayggvqekfgvtpdlttlgkiiggglpvgayggkreimqlvapagpmyqagtl sgnplamtagiktlellrqpgtyeyldqitkrlsdgllaiaqetghaacggqvsgmfgff ftegpvhnyedakksdlqkfsrfhrgmleqgiylapsqfeagftslahteedidatlaaa rtvmsal