HEADER HORMONE 31-DEC-69 6TYH TITLE Four-Disulfide Insulin Analog A22/B22 COMPND MOL_ID: 2; COMPND 2 MOLECULE: Insulin B chain; COMPND 3 CHAIN: B, D, F, H, J, L; COMPND 4 MUTATION: YES; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 1.60 ANGSTORMS DBREF 6TYH D 1 30 UNP P01308 INS_HUMAN 25 54 SEQRES 1 D 29 PHE VAL ASN GLN HIS LEU CYS GLY SER HIS LEU VAL GLU SEQRES 2 D 29 ALA LEU TYR LEU VAL CYS GLY GLU CYS GLY PHE PHE TYR SEQRES 3 D 29 THR PRO LYS