Chains and heterogens:
PDB Chain Sequences:
>1j2fA (A:) gamgssldnptpfpnlgpsenplkrllvpgeewefevtafyrgrqvfqqtiscpeglrlv gsevgdrtlpgwpvtlpdpgmsltdrgvmsyvrhvlsclggglalwragqwlwaqrlghc htywavseellpnsghgpdgevpkdkeggvfdlgpfivdlitftegsgrspryalwfcvg eswpqdqpwtkrlvmvkvvptclralvemarvggasslentvdlhisnshplsltsdqyk aylqdlvegmdfqgpges
>1j2fA (A:) nplkrllvpgeewefevtafyrgrqvfqqtiscpeglrlvglpgwpvtlpdpgmsltdrg vmsyvrhvlsclggglalwragqwlwaqrlghchtywavseellpnsghgpdgevpkdke ggvfdlgpfivdlitftegsgrspryalwfcvgeswpqdqpwtkrlvmvkvvptclralv emarvggasslentvdlhisnshplsltsdqykaylqdlvegmdfq
>1j2fB (B:) gamgssldnptpfpnlgpsenplkrllvpgeewefevtafyrgrqvfqqtiscpeglrlv gsevgdrtlpgwpvtlpdpgmsltdrgvmsyvrhvlsclggglalwragqwlwaqrlghc htywavseellpnsghgpdgevpkdkeggvfdlgpfivdlitftegsgrspryalwfcvg eswpqdqpwtkrlvmvkvvptclralvemarvggasslentvdlhisnshplsltsdqyk aylqdlvegmdfqgpges
>1j2fB (B:) enplkrllvpgeewefevtafyrgrqvfqqtiscpeglrlvgsevtlpgwpvtlpdpgms ltdrgvmsyvrhvlsclggglalwragqwlwaqrlghchtywavseellpnsghgpdgev pkdkeggvfdlgpfivdlitftegsgrspryalwfcvgeswpqdqpwtkrlvmvkvvptc lralvemarvggasslentvdlhisnshplsltsdqykaylqdlvegmdfq