Chains and heterogens:
PDB Chain Sequences:
>1d2cA (A:) vdsvyrtrslgvaaegipdqyadgeaarvwqlyigdtrsrtaeykawllgllrqhgchrv ldvacgtgvdsimlveegfsvtsvdasdkmlkyalkerwnrrkepafdkwvieeanwltl dkdvpagdgfdaviclgnsfahlpdskgdqsehrlalkniasmvrpggllvidhrnydyi lstgcappgkniyyksdltkdittsvltvnnkahmvtldytvqvpgagrdgapgfskfrl syyphclasftelvqeafggrcqhsvlgdfkpyrpgqayvpcyfihvlkktg
>1d2cB (B:) vdsvyrtrslgvaaegipdqyadgeaarvwqlyigdtrsrtaeykawllgllrqhgchrv ldvacgtgvdsimlveegfsvtsvdasdkmlkyalkerwnrrkepafdkwvieeanwltl dkdvpagdgfdaviclgnsfahlpdskgdqsehrlalkniasmvrpggllvidhrnydyi lstgcappgkniyyksdltkdittsvltvnnkahmvtldytvqvpgagrdgapgfskfrl syyphclasftelvqeafggrcqhsvlgdfkpyrpgqayvpcyfihvlkktg