Chains and heterogens:
PDB Chain Sequences:
>6chaA (A:) cgvpaiqpvlsglxxivngeeavpgswpwqvslqdktgfhfcggslinenwvvtaahcgv ttsdvvvagefdqgsssekiqklkiakvfknskynsltinnditllklstaasfsqtvsa vclpsasddfaagttcvttgwgltryxxantpdrlqqaslpllsntnckkywgtkikdam icagasgvsscmgdsggplvckkngawtlvgivswgsstcststpgvyarvtalvnwvqq tlaan
>6chaA (A:) cgvpaiqpvivngeeavpgswpwqvslqdktgfhfcggslinenwvvtaahcgvttsdvv vagefdqgsssekiqklkiakvfknskynsltinnditllklstaasfsqtvsavclpsa sddfaagttcvttgwgltryantpdrlqqaslpllsntnckkywgtkikdamicagasgv sscmgdsggplvckkngawtlvgivswgsstcststpgvyarvtalvnwvqqtlaan
>6chaB (B:) cgvpaiqpvlsglxxivngeeavpgswpwqvslqdktgfhfcggslinenwvvtaahcgv ttsdvvvagefdqgsssekiqklkiakvfknskynsltinnditllklstaasfsqtvsa vclpsasddfaagttcvttgwgltryxxantpdrlqqaslpllsntnckkywgtkikdam icagasgvsscmgdsggplvckkngawtlvgivswgsstcststpgvyarvtalvnwvqq tlaan
>6chaB (B:) cgvpaiqpvivngeeavpgswpwqvslqdktgfhfcggslinenwvvtaahcgvttsdvv vagefdqgsssekiqklkiakvfknskynsltinnditllklstaasfsqtvsavclpsa sddfaagttcvttgwgltryantpdrlqqaslpllsntnckkywgtkikdamicagasgv sscmgdsggplvckkngawtlvgivswgsstcststpgvyarvtalvnwvqqtlaan