Chains and heterogens:
PDB Chain Sequences:
>1n0iA (A:) msrkkmgllvmaygtpykeedieryythirrgrkpepemlqdlkdryeaiggisplaqit eqqahnleqhlneiqdeitfkayiglkhiepfiedavaemhkdgiteavsivlaphfstf svqsynkrakeeaeklggltitsveswydepkfvtywvdrvketyasmpederenamliv sahslpekikefgdpypdqlhesakliaegagvseyavgwqsegntpdpwlgpdvqdltr dlfeqkgyqafvyvpvgfvadhlevlydndyeckvvtddigasyyrpempnakpefidal atvvlkklgr
>1n0iA (A:) srkkmgllvmaygtpykeedieryythirrgrkpepemlqdlkdryeaiggisplaqite qqahnleqhlneiqdeitfkayiglkhiepfiedavaemhkdgiteavsivlaphfstfs vqsynkrakeeaeklggltitsveswydepkfvtywvdrvketyasmpederenamlivs ahslpekikefgdpypdqlhesakliaegagvseyavgwqsegntpdpwlgpdvqdltrd lfeqkgyqafvyvpvgfvadhlevlydndyeckvvtddigasyyrpempnakpefidala tvvlkklgr