HEADER IMMUNE SYSTEM 31-DEC-69 7AD7 TITLE Crystal structure of human complement C5 in complex with the K8 TITLE 2 bovine knob domain peptide. COMPND MOL_ID: 1; COMPND 2 MOLECULE: Complement C5; COMPND 3 CHAIN: B, A; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.30 ANGSTORMS DBREF 7AD7 A 1 1676 UNP P01031 CO5_HUMAN 1 1676 SEQRES 1 A 57 ILE ARG SER TYR PHE PRO GLU SER TRP LEU TRP GLU VAL SEQRES 2 A 57 HIS LEU VAL PRO ARG ARG LYS GLN LEU GLN PHE ALA LEU SEQRES 3 A 57 PRO ASP SER LEU THR THR TRP GLU ILE GLN GLY VAL GLY SEQRES 4 A 57 ILE SER ASN THR GLY ILE CYS VAL ALA ASP THR VAL LYS SEQRES 5 A 57 ALA LYS VAL PHE LYS