Chains and heterogens:
PDB Chain Sequences:
>1x74A (A:) magplsglrvvelagigpgphaamilgdlgadvvridrpssvdgisrdamlrnrrivtad lksdqglelalkliakadvliegyrpgvterlglgpeecakvndrliyarmtgwgqtgpr sqqaghdinyislngilhaigrgderpvpplnlvgdfgggsmfllvgilaalwerqssgk gqvvdaamvdgssvliqmmwamratgmwtdtrganmldggapyydtyecadgryvavgai epqfyaamlaglgldaaelppqndrarwpelrallteafashdrdhwgavfansdacvtp vlafgevhnephiierntfyeanggwqpmpaprfsrtassqprppaatidieavltdwdg
>1x74A (A:) agplsglrvvelagigpgphaamilgdlgadvvridrpisrdamlrnrrivtadlksdqg lelalkliakadvliegyrpgvterlglgpeecakvndrliyarmtgwgqtgprsqqagh dinyislngilhaigrgderpvpplnlvgdfgggsmfllvgilaalwerqssgkgqvvda amvdgssvliqmmwamratgmwtdtrganmldggapyydtyecadgryvavgaiepqfya amlaglgldaaelppqndrarwpelrallteafashdrdhwgavfansdacvtpvlafge vhnephiierntfyeanggwqpmpaprfsrtassqprppaatidieavltdwdg
>1x74B (B:) magplsglrvvelagigpgphaamilgdlgadvvridrpssvdgisrdamlrnrrivtad lksdqglelalkliakadvliegyrpgvterlglgpeecakvndrliyarmtgwgqtgpr sqqaghdinyislngilhaigrgderpvpplnlvgdfgggsmfllvgilaalwerqssgk gqvvdaamvdgssvliqmmwamratgmwtdtrganmldggapyydtyecadgryvavgai epqfyaamlaglgldaaelppqndrarwpelrallteafashdrdhwgavfansdacvtp vlafgevhnephiierntfyeanggwqpmpaprfsrtassqprppaatidieavltdwdg
>1x74B (B:) agplsglrvvelagigpgphaamilgdlgadvvridrpisrdamlrnrrivtadlksdqg lelalkliakadvliegyrpgvterlglgpeecakvndrliyarmtgwgqtgprsqqagh dinyislngilhaigrgderpvpplnlvgdfgggsmfllvgilaalwerqssgkgqvvda amvdgssvliqmmwamratgmwtdtrganmldggapyydtyecadgryvavgaiepqfya amlaglgldaaelppqndrarwpelrallteafashdrdhwgavfansdacvtpvlafge vhnephiierntfyeanggwqpmpaprfsrtassqprppaatidieavltdwdg
>1x74C (C:) magplsglrvvelagigpgphaamilgdlgadvvridrpssvdgisrdamlrnrrivtad lksdqglelalkliakadvliegyrpgvterlglgpeecakvndrliyarmtgwgqtgpr sqqaghdinyislngilhaigrgderpvpplnlvgdfgggsmfllvgilaalwerqssgk gqvvdaamvdgssvliqmmwamratgmwtdtrganmldggapyydtyecadgryvavgai epqfyaamlaglgldaaelppqndrarwpelrallteafashdrdhwgavfansdacvtp vlafgevhnephiierntfyeanggwqpmpaprfsrtassqprppaatidieavltdwdg
>1x74C (C:) agplsglrvvelagigpgphaamilgdlgadvvridrpisrdamlrnrrivtadlksdqg lelalkliakadvliegyrpgvterlglgpeecakvndrliyarmtgwgqtgprsqqagh dinyislngilhaigrgderpvpplnlvgdfgggsmfllvgilaalwerqssgkgqvvda amvdgssvliqmmwamratgmwtdtrganmldggapyydtyecadgryvavgaiepqfya amlaglgldaaelppqndrarwpelrallteafashdrdhwgavfansdacvtpvlafge vhnephiierntfyeanggwqpmpaprfsrtassqprppaatidieavltdwdg
>1x74D (D:) magplsglrvvelagigpgphaamilgdlgadvvridrpssvdgisrdamlrnrrivtad lksdqglelalkliakadvliegyrpgvterlglgpeecakvndrliyarmtgwgqtgpr sqqaghdinyislngilhaigrgderpvpplnlvgdfgggsmfllvgilaalwerqssgk gqvvdaamvdgssvliqmmwamratgmwtdtrganmldggapyydtyecadgryvavgai epqfyaamlaglgldaaelppqndrarwpelrallteafashdrdhwgavfansdacvtp vlafgevhnephiierntfyeanggwqpmpaprfsrtassqprppaatidieavltdwdg
>1x74D (D:) agplsglrvvelagigpgphaamilgdlgadvvridrpisrdamlrnrrivtadlksdqg lelalkliakadvliegyrpgvterlglgpeecakvndrliyarmtgwgqtgprsqqagh dinyislngilhaigrgderpvpplnlvgdfgggsmfllvgilaalwerqssgkgqvvda amvdgssvliqmmwamratgmwtdtrganmldggapyydtyecadgryvavgaiepqfya amlaglgldaaelppqndrarwpelrallteafashdrdhwgavfansdacvtpvlafge vhnephiierntfyeanggwqpmpaprfsrtassqprppaatidieavltdwdg