1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Conibear, A.C. Rosengren, K. Daly, N.L. Troiera Henriques, S. Craik, D.J. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic C6 H15 N4 O2 1 175.209 y ARGININE 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 C5 H11 N O2 117.146 y VALINE L-peptide linking US J.Biol.Chem. JBCHA3 0071 0021-9258 288 10830 10840 10.1074/jbc.M113.451047 23430740 The cyclic cystine ladder in theta-defensins is important for structure and stability, but not antibacterial activity. 2013 10.2210/pdb2m2y/pdb pdb_00002m2y 2090.661 BTD-2[3,4] 1 syn polymer no no RCVCRRGVCRCVCRRGVC RCVCRRGVCRCVCRRGVC A polypeptide(L) n n n n n n n n n n n n n n n n n n Acyclic analogue of the theta-defensin BTD-2. Disulfide bonds join residues 2-11, 4-9, and 13-18. database_2 pdbx_database_status pdbx_nmr_software pdbx_nmr_spectrometer repository Initial release Database references Data collection Database references Other 1 0 2013-02-27 1 1 2013-07-10 1 2 2023-06-14 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.status_code_nmr_data _pdbx_nmr_software.name _pdbx_nmr_spectrometer.model High resolution NMR solution structure of a symmetrical theta-defensin BTD-2 High resolution NMR solution structure of a symmetrical theta-defensin BTD-2 BMRB Y RCSB 2013-01-03 REL REL REL REL solid phase peptide synthesis sample 96 57 3 3 33 10 5 0 14 10 structures with the lowest energy 50 20 2D 1H-1H TOCSY 2D 1H-1H NOESY 2D 1H-13C HSQC 2D DQF-COSY 2D 1H-1H ECOSY 0.8 mM 10 uM 0.8 mM 10 uM 4 ambient 298 K Structures were calculated using the scripts from the RECOORD database. Used to calculate preliminary structures simulated annealing, torsion angle dynamics 1 lowest energy 0.8 mM BTD-2[3,4], 10 uM DSS, 90% H2O/10% D2O 90% H2O/10% D2O 0.8 mM BTD-2[3,4], 10 uM DSS, 100% D2O 100% D2O CCPN data analysis CcpNmr 2.1 CCPN chemical shift assignment CcpNmr 2.1 CCPN peak picking CcpNmr 2.1 Bruker Biospin collection TopSpin 2.1 Bruker Biospin processing TopSpin 2.1 Guntert, Mumenthaler and Wuthrich structure solution CYANA 3.0 Brunger, Adams, Clore, Gros, Nilges and Read refinement CNS 2.1 Guntert, Mumenthaler and Wuthrich refinement CYANA 3.0 500 Bruker AVANCE Bruker Avance 600 Bruker AVANCE Bruker Avance ARG 1 n 1 ARG 1 A CYS 2 n 2 CYS 2 A VAL 3 n 3 VAL 3 A CYS 4 n 4 CYS 4 A ARG 5 n 5 ARG 5 A ARG 6 n 6 ARG 6 A GLY 7 n 7 GLY 7 A VAL 8 n 8 VAL 8 A CYS 9 n 9 CYS 9 A ARG 10 n 10 ARG 10 A CYS 11 n 11 CYS 11 A VAL 12 n 12 VAL 12 A CYS 13 n 13 CYS 13 A ARG 14 n 14 ARG 14 A ARG 15 n 15 ARG 15 A GLY 16 n 16 GLY 16 A VAL 17 n 17 VAL 17 A CYS 18 n 18 CYS 18 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 A N VAL 3 A N VAL 3 A O ARG 10 A O ARG 10 4 A A H2 OXT ARG CYS 1 18 1.60 1 A ARG 15 39.15 63.17 3 A ARG 15 38.66 60.29 4 A ARG 15 37.98 73.95 7 A ARG 15 36.08 69.93 9 A ARG 14 -113.03 71.07 9 A ARG 15 39.97 68.53 10 A ARG 14 -101.40 76.97 10 A ARG 15 39.34 71.55 18 A ARG 14 -111.15 72.62 18 A ARG 15 38.84 67.65 lowest energy, model1 Solution structure of the antimicrobial peptide Btd-2[3,4] 1 N N disulf 2.038 A CYS 2 A SG CYS 2 1_555 A CYS 11 A SG CYS 11 1_555 disulf 2.033 A CYS 4 A SG CYS 4 1_555 A CYS 9 A SG CYS 9 1_555 disulf 2.027 A CYS 13 A SG CYS 13 1_555 A CYS 18 A SG CYS 18 1_555 ANTIMICROBIAL PROTEIN theta-defensin, cyclic peptides, cyclic cystine ladder, disulfide bond, antimicrobial peptide, ANTIMICROBIAL PROTEIN 2M2Y PDB 1 2M2Y RCVCRRGVCRCVCRRGVC 1 18 2M2Y 1 18 2M2Y A 1 1 18 2 anti-parallel A VAL 3 A VAL 3 A ARG 5 A ARG 5 A VAL 8 A VAL 8 A ARG 10 A ARG 10