Chains and heterogens:
PDB Chain Sequences:
>1vc2A (A:) mkvgingfgrigrqvfrilhergvevalindltdnktlahllkydstygrfpgavgydee nlyvdgkairataikdpreipwkqagvgvvvestgvftdgekarahleagakkviitapa kneditvvlgvnheqydpakhhilsnascttnslapvmkvlekafgvekalmttvhsytn dqrlldlphkdlrraraaalniiptttgaakatalvlpslkgrfdgmalrvptptgsisd itallkrevtaeevnaalkaaaegplkgilaytedeivlrdivmdphssivdgkltkaig nlvkvfawydnewgyanrvadlvelvlkkgv