Chains and heterogens:
PDB Chain Sequences:
>1fv1A (A:) ikeehviiqaefylnpdqsgefmfdfdgdeifhvdmakketvwrleefgrfasfeaqgal aniavdkanleimtkrsnytpitnvppevtvltnspvelrepnvlicfidkftppvvnvt wlrngkpvttgvsetvflpredhlfrkfhylpflpstedvydcrvehwgldepllkhwef d
>1fv1A (A:) eehviiqaefylnpdqsgefmfdfdgdeifhvdmakketvwrleefgrfasfeaqgalan iavdkanleimtkrsnytpitnvppevtvltnspvelrepnvlicfidkftppvvnvtwl rngkpvttgvsetvflpredhlfrkfhylpflpstedvydcrvehwgldepllkhwefd
>1fv1B (B:) gdtrprflqqdkyechffngtervrflhrdiynqeedlrfdsdvgeyravtelgrpdaey wnsqkdfledrraavdtycrhnygvgesftvqrrvepkvtvypartqtlqhhnllvcsvn gfypgsievrwfrnsqeekagvvstgliqngdwtfqtlvmletvprsgevytcqvehpsv tspltvewra
>1fv1D (D:) ikeehviiqaefylnpdqsgefmfdfdgdeifhvdmakketvwrleefgrfasfeaqgal aniavdkanleimtkrsnytpitnvppevtvltnspvelrepnvlicfidkftppvvnvt wlrngkpvttgvsetvflpredhlfrkfhylpflpstedvydcrvehwgldepllkhwef d
>1fv1D (D:) ehviiqaefylnpdqsgefmfdfdgdeifhvdmakketvwrleefgrfasfeaqgalani avdkanleimtkrsnytpitnvppevtvltnspvelrepnvlicfidkftppvvnvtwlr ngkpvttgvsetvflpredhlfrkfhylpflpstedvydcrvehwgldepllkhwefd
>1fv1E (E:) gdtrprflqqdkyechffngtervrflhrdiynqeedlrfdsdvgeyravtelgrpdaey wnsqkdfledrraavdtycrhnygvgesftvqrrvepkvtvypartqtlqhhnllvcsvn gfypgsievrwfrnsqeekagvvstgliqngdwtfqtlvmletvprsgevytcqvehpsv tspltvewra