Chains and heterogens:
PDB Chain Sequences:
>1nfuA (A:) ivggqeckdgecpwqallineenegfcggtilsefyiltaahclyqakrfkvrvgdrnte qeeggeavhevevvikhnrftketydfdiavlrlktpitfrmnvapaclperdwaestlm tqktgivsgfgrthekgrqstrlkmlevpyvdrnscklsssfiitqnmfcagydtkqeda cqgdsggphvtrfkdtyfvtgivswgegcarkgkygiytkvtaflkwidrsmktrglpka kshapevitssplk
>1nfuA (A:) ivggqeckdgecpwqallineenegfcggtilsefyiltaahclyqakrfkvrvgdrnte qeeggeavhevevvikhnrftketydfdiavlrlktpitfrmnvapaclperdwaestlm tqktgivsgfgrthekgrqstrlkmlevpyvdrnscklsssfiitqnmfcagydtkqeda cqgdsggphvtrfkdtyfvtgivswgegcarkgkygiytkvtaflkwidrsmkt
>1nfuB (B:) eemkkghlerecmeetcsyeearevfedsdktnefwnkykdgdqcetspcqnqgkckdgl geytctclegfegkncelftrklcsldngdcdqfcheeqnsvvcscargytladngkaci ptgpypcgkqtlerrkrsvaqatsssgeapdsitwkpydaadldptenpfdlldfnqtqp ergdnnltrivggqe
>1nfuB (B:) rklcsldngdcdqfcheeqnsvvcscargytladngkaciptgpypcgkqtl