HEADER MEMBRANE PROTEIN 31-DEC-69 5T5N TITLE Calcium-activated chloride channel bestrophin-1 (BEST1), triple TITLE 2 mutant: I76A, F80A, F84A; in complex with an Fab antibody fragment, TITLE 3 chloride, and calcium COMPND MOL_ID: 2; COMPND 2 MOLECULE: Fab antibody fragment, light chain (10D10); COMPND 3 CHAIN: F, H, J, L, N; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.10 ANGSTORMS DBREF 5T5N N 1 212 PDB 5T5N 5T5N 1 212 SEQRES 1 N 105 ARG ALA ASP ALA ALA PRO THR VAL SER ILE PHE PRO PRO SEQRES 2 N 105 SER SER GLU GLN LEU THR SER GLY GLY ALA SER VAL VAL SEQRES 3 N 105 CYS PHE LEU ASN ASN PHE TYR PRO LYS ASP ILE ASN VAL SEQRES 4 N 105 LYS TRP LYS ILE ASP GLY SER GLU ARG GLN ASN GLY VAL SEQRES 5 N 105 LEU ASN SER TRP THR ASP GLN ASP SER LYS ASP SER THR SEQRES 6 N 105 TYR SER MET SER SER THR LEU THR LEU THR LYS ASP GLU SEQRES 7 N 105 TYR GLU ARG HIS ASN SER TYR THR CYS GLU ALA THR HIS SEQRES 8 N 105 LYS THR SER THR SER PRO ILE VAL LYS SER PHE ASN ARG SEQRES 9 N 105 ASN