Chains and heterogens:
PDB Chain Sequences:
>1a38A (A:) mdknelvqkaklaeqaeryddmaacmksvteqgaelsneernllsvayknvvgarrsswr vvssieqktegaekkqqmareyrekietelrdicndvlsllekflipnasqaeskvfylk mkgdyyrylaevaagddkkgivdqsqqayqeafeiskkemqpthpirlglalnfsvfyye ilnspekacslaktafdeaiaeldtlseesykdstlimqllrdnltlw
>1a38A (A:) mdknelvqkaklaeqaeryddmaacmksvteqgaelsneernllsvayknvvgarrsswr vvssieqekkqqmareyrekietelrdicndvlsllekflipnasqaeskvfylkmkgdy yrylaevaagddkkgivdqsqqayqeafeiskkemqpthpirlglalnfsvfyyeilnsp ekacslaktafdeaiaesykdstlimqllrdnltlw
>1a38B (B:) mdknelvqkaklaeqaeryddmaacmksvteqgaelsneernllsvayknvvgarrsswr vvssieqktegaekkqqmareyrekietelrdicndvlsllekflipnasqaeskvfylk mkgdyyrylaevaagddkkgivdqsqqayqeafeiskkemqpthpirlglalnfsvfyye ilnspekacslaktafdeaiaeldtlseesykdstlimqllrdnltlw
>1a38B (B:) mdknelvqkaklaeqaeryddmaacmksvteqgaelsneernllsvayknvvgarrsswr vvssieqekkqqmareyrekietelrdicndvlsllekflipnasqaeskvfylkmkgdy yrylaevaagddkkgivdqsqqayqeafeiskkemqpthpirlglalnfsvfyyeilnsp ekacslaktafdeaiaesykdstlimqllrdnltlw