1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Korsinczky, M.L.J. Schirra, H.J. Rosengren, K.J. West, J. Condie, B.A. Otvos, L. Anderson, M.A. Craik, D.J. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90.00 90.00 90.00 1.000 1.000 1.000 C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking UK J.Mol.Biol. JMOBAK 0070 0022-2836 311 579 591 10.1006/jmbi.2001.4887 11493011 Solution structures by 1H NMR of the novel cyclic trypsin inhibitor SFTI-1 from sunflower seeds and an acyclic permutant. 2001 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1 SINGLE WAVELENGTH M x-ray 1 1.0 1535.829 CYCLIC TRYPSIN INHIBITOR 1 nat polymer SFTI-1 no no GRCTKSIPPICFPD GRCTKSIPPICFPD A polypeptide(L) n n n n n n n n n n n n n n common sunflower Helianthus sample 4232 Helianthus annuus repository Initial release Version format compliance Version format compliance Other 1 0 2001-08-22 1 1 2008-04-27 1 2 2011-07-13 1 3 2015-04-15 1JBN contains the same protein linearized at the D14-G1 peptide bond RCSB Y PDBJ 2001-06-05 REL Trypsin inhibitor Trypsin inhibitor 1 Polypeptide This structure was determined using standard 2D homonuclear techniques structures with the lowest energy 50 20 2D NOESY DQF-COSY E-COSY 20mM 4.5 ambient 273 K 20mM 4.5 ambient 313 K 111 distance constraints, comprising 53 sequential, 18 medium range, 68 long range, 6 chi1 angle constraints 7 phi angle constraints simulated annealing with refinement using a modified CSDX force field. 1mM SFTI-1 20mM sodium phosphate,pH 4.5, 20% trifluoroethanol, 10% D2O 1mM SFTI-1 20mM sodium phosphate,pH 4.5, 10% D2O 1mM SFTI-1 20mM sodium phosphate,pH 4.5, 20% trifluoroethanol, 100% D2O Bruker collection XWINNMR 2.6 Bruker processing XWINNMR 2.6 Cieslar et al. data analysis ccnmr Brunger structure solution X-PLOR 3.851 Brunger refinement X-PLOR 3.851 500 Bruker ARX 750 Bruker DMX GLY 1 n 1 GLY 1 A ARG 2 n 2 ARG 2 A CYS 3 n 3 CYS 3 A THR 4 n 4 THR 4 A LYS 5 n 5 LYS 5 A SER 6 n 6 SER 6 A ILE 7 n 7 ILE 7 A PRO 8 n 8 PRO 8 A PRO 9 n 9 PRO 9 A ILE 10 n 10 ILE 10 A CYS 11 n 11 CYS 11 A PHE 12 n 12 PHE 12 A PRO 13 n 13 PRO 13 A ASP 14 n 14 ASP 14 A author_defined_assembly 1 monomeric 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 2 A A O H ARG PHE 2 12 1.60 11 A A O H ARG PHE 2 12 1.57 15 A A O H ARG PHE 2 12 1.58 1 A ARG 2 -49.74 158.76 2 A LYS 5 -85.68 36.99 3 A LYS 5 -83.87 33.05 4 A LYS 5 -83.07 31.33 5 A LYS 5 -84.42 32.95 8 A LYS 5 -89.83 33.77 9 A LYS 5 -84.40 35.76 10 A LYS 5 -81.94 32.11 11 A LYS 5 -83.70 35.78 13 A ARG 2 -49.57 152.53 13 A LYS 5 -86.27 39.61 14 A LYS 5 -88.04 42.98 15 A LYS 5 -85.07 33.16 16 A LYS 5 -84.68 33.83 17 A LYS 5 -83.76 33.02 18 A LYS 5 -82.43 30.42 19 A LYS 5 -82.93 31.57 20 A LYS 5 -89.70 43.25 cyclic trypsin inhibitor Solution structure of SFTI-1, A cyclic trypsin inhibitor from sunflower seeds 1 N N disulf 2.031 A CYS 3 A SG CYS 3 1_555 A CYS 11 A SG CYS 11 1_555 covale 1.340 A GLY 1 A N GLY 1 1_555 A ASP 14 A C ASP 14 1_555 PROTEIN BINDING cyclic backbone, 2 beta strands, 1 disulfide bond, SFTI-1, PROTEIN BINDING A ILE 7 A ILE 7 1 A PRO 8 A PRO 8 -0.44 A ILE 7 A ILE 7 2 A PRO 8 A PRO 8 -0.49 A ILE 7 A ILE 7 3 A PRO 8 A PRO 8 -0.53 A ILE 7 A ILE 7 4 A PRO 8 A PRO 8 -0.35 A ILE 7 A ILE 7 5 A PRO 8 A PRO 8 -0.50 A ILE 7 A ILE 7 6 A PRO 8 A PRO 8 -0.38 A ILE 7 A ILE 7 7 A PRO 8 A PRO 8 -0.40 A ILE 7 A ILE 7 8 A PRO 8 A PRO 8 -0.44 A ILE 7 A ILE 7 9 A PRO 8 A PRO 8 -0.65 A ILE 7 A ILE 7 10 A PRO 8 A PRO 8 -0.62 A ILE 7 A ILE 7 11 A PRO 8 A PRO 8 -0.53 A ILE 7 A ILE 7 12 A PRO 8 A PRO 8 -0.45 A ILE 7 A ILE 7 13 A PRO 8 A PRO 8 -0.78 A ILE 7 A ILE 7 14 A PRO 8 A PRO 8 -0.36 A ILE 7 A ILE 7 15 A PRO 8 A PRO 8 -0.60 A ILE 7 A ILE 7 16 A PRO 8 A PRO 8 -0.53 A ILE 7 A ILE 7 17 A PRO 8 A PRO 8 -0.46 A ILE 7 A ILE 7 18 A PRO 8 A PRO 8 -0.37 A ILE 7 A ILE 7 19 A PRO 8 A PRO 8 -0.61 A ILE 7 A ILE 7 20 A PRO 8 A PRO 8 -0.35 SFTI1_HELAN UNP 1 1 Q4GWU5 1 14 1JBL 1 14 Q4GWU5 A 1 1 14