Chains and heterogens:
PDB Chain Sequences:
>1cfqA (A:) dikmtqspssmytslgervtitckasqdinsfltwflqkpgkspktliyranrlmigvps rfsgsgsgqtysltissleyedmgiyyclqyddfpltfgagtkldlkradaaptvsifpp sseqltsggasvvcflnnfypkeinvkwkidgserqngvldswteqdskdstysmsstlt ltkdeyerhnsytceathktstspivksfnrnec
>1cfqB (B:) qdqlqqsgaelvrpgasvklsckalgyiftdyeihwvkqtpvhglewiggihpgssgtay nqkfkgkatltadkssttafmelssltsedsavyyctrkdywgqgtlvtvsaakttapsv yplvpvcggttgssvtlgclvkgyfpepvtltwnsgslssgvhtfpallqsglytlsssv tvtsntwpsqtitcnvahpasstkvdkkieprv