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 C4 H9 N O2 103.120 n ALPHA-AMINOBUTYRIC ACID 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 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/pdb2m2g/pdb pdb_00002m2g 2054.586 [Aba3,16]BTD-2 1 syn polymer no yes GV(ABA)RCVCRRGVCRCV(ABA)RR GVARCVCRRGVCRCVARR A polypeptide(L) n n n n n n n n n n n n n n n n n n Head-to-tail (Arg-Gly) cyclic peptide. Residues 3 and 16 are replaced by alpha-aminobuytyric acid.' database_2 pdbx_database_status pdbx_nmr_software pdbx_nmr_spectrometer struct_conn repository Initial release Database references Database references Data collection Database references Derived calculations Other 1 0 2013-02-27 1 1 2013-03-20 1 2 2013-07-10 1 3 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 _struct_conn.pdbx_dist_value _struct_conn.pdbx_leaving_atom_flag _struct_conn.pdbx_value_order _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id 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 2012-12-20 REL REL REL REL solid phase peptide synthesis sample Antimicrobial [Aba3,16]BTD-2 Cyclic peptide 100 54 6 5 35 12 6 0 16 14 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 0.5 mM 10 uM 0.5 mM 10 uM 5 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 0.5 mM [Aba3,16]BTD, 10 uM DSS, 90% H2O/10% D2O 90% H2O/10% D2O 0.5 mM [Aba3,16]BTD, 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 500 Bruker AVANCE Bruker Avance 600 Bruker AVANCE Bruker Avance GLY 1 n 1 GLY 1 A VAL 2 n 2 VAL 2 A ABU 3 n 3 ABA 3 A ARG 4 n 4 ARG 4 A CYS 5 n 5 CYS 5 A VAL 6 n 6 VAL 6 A CYS 7 n 7 CYS 7 A ARG 8 n 8 ARG 8 A ARG 9 n 9 ARG 9 A GLY 10 n 10 GLY 10 A VAL 11 n 11 VAL 11 A CYS 12 n 12 CYS 12 A ARG 13 n 13 ARG 13 A CYS 14 n 14 CYS 14 A VAL 15 n 15 VAL 15 A ABU 16 n 16 ABA 16 A ARG 17 n 17 ARG 17 A ARG 18 n 18 ARG 18 A author_defined_assembly 1 monomeric A ABA 3 ALPHA-AMINOBUTYRIC ACID A ABA 3 ALA A ABA 16 ALPHA-AMINOBUTYRIC ACID A ABA 16 ALA 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 6 A N VAL 6 A O ARG 13 A O ARG 13 lowest energy, model1 Solution structure of the antimicrobial peptide [Aba3,16]BTD-2 1 N N disulf 2.035 A CYS 5 A SG CYS 5 1_555 A CYS 14 A SG CYS 14 1_555 disulf 2.040 A CYS 7 A SG CYS 7 1_555 A CYS 12 A SG CYS 12 1_555 covale 1.304 both A GLY 1 A N GLY 1 1_555 A ARG 18 A C ARG 18 1_555 covale 1.301 both sing A VAL 2 A C VAL 2 1_555 A ABA 3 A N ABA 3 1_555 covale 1.296 both sing A ABA 3 A C ABA 3 1_555 A ARG 4 A N ARG 4 1_555 covale 1.315 both sing A VAL 15 A C VAL 15 1_555 A ABA 16 A N ABA 16 1_555 covale 1.290 both sing A ABA 16 A C ABA 16 1_555 A ARG 17 A N ARG 17 1_555 ANTIMICROBIAL PROTEIN theta-defensin, cyclic peptides, cyclic cystine ladder, disulfide bond, antimicrobial peptide, ANTIMICROBIAL PROTEIN 2M2G PDB 1 2M2G GVXRCVCRRGVCRCVXRR 1 18 2M2G 1 18 2M2G A 1 1 18 2 anti-parallel A VAL 2 A VAL 2 A ARG 8 A ARG 8 A VAL 11 A VAL 11 A ARG 17 A ARG 17