Chains and heterogens:
PDB Chain Sequences:
>1d2gA (A:) vdsvyrtrslgvaaegipdqyadgeaarvwqlyigdtrsrtaeykawllgllrqhgchrv ldvacgtgvdsimlveegfsvtsvdasdkmlkyalkerwnrrkepafdkwvieeanwltl dkdvpagdgfdaviclgnsfahlpdskgdqsehrlalkniasmvrpggllvidhknydyi lstgcappgkniyyksdltkdittsvltvnnkahmvtldytvqvpgagrdgapgfskfrl syyphclasftelvqeafggrcqhsvlgdfkpyrpgqayvpcyfihvlkktg
>1d2gB (B:) vdsvyrtrslgvaaegipdqyadgeaarvwqlyigdtrsrtaeykawllgllrqhgchrv ldvacgtgvdsimlveegfsvtsvdasdkmlkyalkerwnrrkepafdkwvieeanwltl dkdvpagdgfdaviclgnsfahlpdskgdqsehrlalkniasmvrpggllvidhknydyi lstgcappgkniyyksdltkdittsvltvnnkahmvtldytvqvpgagrdgapgfskfrl syyphclasftelvqeafggrcqhsvlgdfkpyrpgqayvpcyfihvlkktg