Chains and heterogens:
PDB Chain Sequences:
>1zfnA (A:) gsmndrdfmrysrqillddialdgqqklldsqvliiglgglgtpaalylagagvgtlvla ddddvhlsnlqrqilfttedidrpksqvsqqrltqlnpdiqltalqqrltgealkdavar advvldctdnmatrqeinaacvalntplitasavgfggqlmvltppweqgcyrclwpdnq eperncrtagvvgpvvgvmgtlqaleaikllsgietpagelrlfdgkssqwrslalrras gcpvcggsnadpv
>1zfnA (A:) mndrdfmrysrqillddialdgqqklldsqvliiglgglgtpaalylagagvgtlvladd ddvhlsnlqrqilfttedidrpksqvsqqrltqlnpdiqltalqqrltgealkdavarad vvldctdnmatrqeinaacvalntplitasavgfggqlmvltppweqgcyrclwpdnqep erncrtagvvgpvvgvmgtlqaleaikllsgietpagelrlfdgkssqwrslalrrasgc pvcg
>1zfnB (B:) gsmndrdfmrysrqillddialdgqqklldsqvliiglgglgtpaalylagagvgtlvla ddddvhlsnlqrqilfttedidrpksqvsqqrltqlnpdiqltalqqrltgealkdavar advvldctdnmatrqeinaacvalntplitasavgfggqlmvltppweqgcyrclwpdnq eperncrtagvvgpvvgvmgtlqaleaikllsgietpagelrlfdgkssqwrslalrras gcpvcggsnadpv
>1zfnB (B:) mndrdfmrysrqillddialdgqqklldsqvliiglgglgtpaalylagagvgtlvladd ddvhlsnlqrqilfttedidrpksqvsqqrltqlnpdiqltalqqrltgealkdavarad vvldctdnmatrqeinaacvalntplitasavgfggqlmvltppweqgcyrclwagvvgp vvgvmgtlqaleaikllsgietpagelrlfdgkssqwrslalrrasgcpvcg
>1zfnC (C:) gsmndrdfmrysrqillddialdgqqklldsqvliiglgglgtpaalylagagvgtlvla ddddvhlsnlqrqilfttedidrpksqvsqqrltqlnpdiqltalqqrltgealkdavar advvldctdnmatrqeinaacvalntplitasavgfggqlmvltppweqgcyrclwpdnq eperncrtagvvgpvvgvmgtlqaleaikllsgietpagelrlfdgkssqwrslalrras gcpvcggsnadpv
>1zfnC (C:) mndrdfmrysrqillddialdgqqklldsqvliiglgglgtpaalylagagvgtlvladd ddvhlsnlqrqilfttedidrpksqvsqqrltqlnpdiqltalqqrltgealkdavarad vvldctdnmatrqeinaacvalntplitasavgfggqlmvltppweqgcyrclwpdnqep erncrtagvvgpvvgvmgtlqaleaikllsgietpagelrlfdgkssqwrslalrrasgc pvcg
>1zfnD (D:) gsmndrdfmrysrqillddialdgqqklldsqvliiglgglgtpaalylagagvgtlvla ddddvhlsnlqrqilfttedidrpksqvsqqrltqlnpdiqltalqqrltgealkdavar advvldctdnmatrqeinaacvalntplitasavgfggqlmvltppweqgcyrclwpdnq eperncrtagvvgpvvgvmgtlqaleaikllsgietpagelrlfdgkssqwrslalrras gcpvcggsnadpv
>1zfnD (D:) mndrdfmrysrqillddialdgqqklldsqvliiglgglgtpaalylagagvgtlvladd ddvhlsnlqrqilfttedidrpksqvsqqrltqlnpdiqltalqqrltgealkdavarad vvldctdnmatrqeinaacvalntplitasavgfggqlmvltppweqgcyrclwpdnagv vgpvvgvmgtlqaleaikllsgietpagelrlfdgkssqwrslalrrasgcpvcg