1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Lowman, H.B. Chen, Y.M. Skelton, N.J. Mortensen, D.L. Tomlinson, E.E. Sadick, M.D. Robinson, I.C. Clark, R.G. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90.00 90.00 90.00 1.000 1.000 1.000 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking H2 N 16.023 AMINO GROUP non-polymer C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking US Biochemistry BICHAW 0033 0006-2960 40 8487 8498 10.1021/bi980426e 11456486 Structure-function analysis of a phage display-derived peptide that binds to insulin-like growth factor binding protein 1. 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 1771.094 IGFBP-1 antagonist 1 syn polymer no yes CRAGPLQWLCEKYFG(NH2) CRAGPLQWLCEKYFGX A polypeptide(L) n n n n n n n n n n n n n n n n repository Initial release Version format compliance Atomic model Database references Derived calculations Non-polymer description Structure summary Version format compliance 1 0 2001-05-30 1 1 2008-04-27 1 2 2011-07-13 peptide antagonist of IGFBP1, (i,i+7) covalently restrained analog peptide antagonist of IGFBP1, (i,i+8) covalently restrained analog peptide antagonist of IGFBP-1, minimized average structure peptide antagonist of IGFBP1, (i,i+7) covalently restrained analog, minimized average structure peptide antagonist of IGFBP1, (i,i+8) covalently restrained analog, minimized average structure RCSB Y RCSB 2001-05-11 REL The peptide was chemically synthesized. It is a novel sequence derived from phage-display selection. sample This structure was determined using standard 2D homonuclear techniques. structures with the least restraint violations 100 20 2D-ROESY DQF-COSY 2D-ROESY COSY-35 0 5.3 1 atm 303 K 0 5.3 1 atm 303 K The structures were detemined on the basis of 149 NOE distance restraints and 15 dihedral angle restraints. The resulting ensemble had no restraint violations greater than 0.07 Angstroms or 1.4 deg. The mean restraint violation energy was 0.17+/- 0.06 kcal/mol. restrained molecular dynamics 1 fewest violations 6.7 mM peptide 93% H2O/7% D2O 6.7 mM peptide 100% D2O Havel refinement DGII 970 MSI/biosym refinement DISCOVER 970 500 Bruker AMX CYS 1 n 1 CYS 1 A ARG 2 n 2 ARG 2 A ALA 3 n 3 ALA 3 A GLY 4 n 4 GLY 4 A PRO 5 n 5 PRO 5 A LEU 6 n 6 LEU 6 A GLN 7 n 7 GLN 7 A TRP 8 n 8 TRP 8 A LEU 9 n 9 LEU 9 A CYS 10 n 10 CYS 10 A GLU 11 n 11 GLU 11 A LYS 12 n 12 LYS 12 A TYR 13 n 13 TYR 13 A PHE 14 n 14 PHE 14 A GLY 15 n 15 GLY 15 A NH2 16 n 16 NH2 16 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 3 A PHE 14 -89.43 46.22 6 A LEU 6 -99.59 37.55 6 A PHE 14 -89.47 -78.48 7 A PRO 5 -80.08 44.34 7 A LEU 6 -140.05 -24.77 7 A TYR 13 -95.60 -60.18 7 A PHE 14 -89.67 41.03 8 A PHE 14 -89.49 48.34 9 A ALA 3 -67.30 98.37 12 A ARG 2 -169.03 82.83 13 A PHE 14 -89.73 47.25 14 A PHE 14 -89.71 37.49 15 A ALA 3 -69.27 79.85 18 A LEU 6 -99.94 31.83 Protein: antagonist of IGFBP-1 Peptide Antagonist of IGFBP-1 1 N N A LEU 6 A LEU 6 HELX_P A TYR 13 A TYR 13 1 1 8 disulf 2.047 A CYS 1 A SG CYS 1 1_555 A CYS 10 A SG CYS 10 1_555 covale 1.334 A GLY 15 A C GLY 15 1_555 A NH2 16 A N NH2 16 1_555 ANTAGONIST loop-turn-helix, DE NOVO PROTEIN, ANTAGONIST 1IMW PDB 1 1IMW 1 16 1IMW 1 16 1IMW A 1 1 16 1 P 1