1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Jennings, C.V. Anderson, M.A. Daly, N.L. Rosengren, K.J. Craik, D.J. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE 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 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 ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE 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 C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US Biochemistry BICHAW 0033 0006-2960 44 851 860 10.1021/bi047837h 15654741 Isolation, Solution Structure, and Insecticidal Activity of Kalata B2, a Circular Protein with a Twist: Do Mobius Strips Exist in Nature?(,) 2005 10.2210/pdb1pt4/pdb pdb_00001pt4 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 1 1.0 2980.400 kalata B2 1 nat polymer no no CGETCFGGTCNTPGCSCTWPICTRDGLPV CGETCFGGTCNTPGCSCTWPICTRDGLPV A polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n Oldenlandia sample 60225 Oldenlandia affinis DC database_2 pdbx_nmr_software pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2004-08-10 1 1 2008-04-29 1 2 2011-07-13 1 3 2022-03-02 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name Solution structure of the cyclotide kalata B1 Solution structure of the cyclotide cycloviolacin O1 RCSB Y PDBJ 2003-06-23 REL REL This structure was determined using standard 2D homonuclear techniques. structures with the lowest energy 50 20 2D TOCSY 2D NOESY DQF-COSY 2D TOCSY 2D NOESY 2D TOCSY 0 4 ambient 290 K 0 4 ambient 298 K Structure was calculated using torsion angle dynamics within CNS and subsequently refined and energy minimised in a water shell using Cartesian dynamics in CNS according to protocols by Linge and Nilges (ARIA). Simulated annealing using both torsion angle and Cartesian dynamics. 1 lowest energy 2mM kalata B2 in 0.5ml 70% H2O, 20% CH3CN, 10% D2O 2mM kalata B2 in 0.5ml 80% D2O, 20% CH3CN Bruker collection XwinNMR 2.6 Eccles, C., Guntert, P., Billeter, M. and Wuthrich, K. data analysis XEASY 1.3.7 Guntert, P., Mumenthaler, C. and Wuthrich, K. structure solution DYANA 1.5 refinement CNS 1.0 500 Bruker ARX 750 Bruker DMX CYS 1 n 1 CYS 1 A GLY 2 n 2 GLY 2 A GLU 3 n 3 GLU 3 A THR 4 n 4 THR 4 A CYS 5 n 5 CYS 5 A PHE 6 n 6 PHE 6 A GLY 7 n 7 GLY 7 A GLY 8 n 8 GLY 8 A THR 9 n 9 THR 9 A CYS 10 n 10 CYS 10 A ASN 11 n 11 ASN 11 A THR 12 n 12 THR 12 A PRO 13 n 13 PRO 13 A GLY 14 n 14 GLY 14 A CYS 15 n 15 CYS 15 A SER 16 n 16 SER 16 A CYS 17 n 17 CYS 17 A THR 18 n 18 THR 18 A TRP 19 n 19 TRP 19 A PRO 20 n 20 PRO 20 A ILE 21 n 21 ILE 21 A CYS 22 n 22 CYS 22 A THR 23 n 23 THR 23 A ARG 24 n 24 ARG 24 A ASP 25 n 25 ASP 25 A GLY 26 n 26 GLY 26 A LEU 27 n 27 LEU 27 A PRO 28 n 28 PRO 28 A VAL 29 n 29 VAL 29 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 SER 16 A N SER 16 A O THR 23 A O THR 23 1 A A N C CYS VAL 1 29 1.33 1 A A H O ARG LEU 24 27 1.58 2 A A N C CYS VAL 1 29 1.33 3 A A N C CYS VAL 1 29 1.33 3 A A HH21 OD2 ARG ASP 24 25 1.58 4 A A N C CYS VAL 1 29 1.33 4 A A H O ARG LEU 24 27 1.58 5 A A N C CYS VAL 1 29 1.32 5 A A H O ARG LEU 24 27 1.60 6 A A N C CYS VAL 1 29 1.32 7 A A N C CYS VAL 1 29 1.33 8 A A N C CYS VAL 1 29 1.32 9 A A N C CYS VAL 1 29 1.32 10 A A N C CYS VAL 1 29 1.32 11 A A N C CYS VAL 1 29 1.33 12 A A N C CYS VAL 1 29 1.33 12 A A HH12 OD1 ARG ASP 24 25 1.56 13 A A N C CYS VAL 1 29 1.32 14 A A N C CYS VAL 1 29 1.32 14 A A HH12 OD2 ARG ASP 24 25 1.56 15 A A N C CYS VAL 1 29 1.32 15 A A HH11 OD2 ARG ASP 24 25 1.59 16 A A N C CYS VAL 1 29 1.32 17 A A N C CYS VAL 1 29 1.33 18 A A N C CYS VAL 1 29 1.32 19 A A N C CYS VAL 1 29 1.32 20 A A N C CYS VAL 1 29 1.32 20 A A HH11 OD1 ARG ASP 24 25 1.56 1 A CYS 5 -115.36 60.45 1 A TRP 19 -26.44 123.54 1 A PRO 28 -71.28 39.01 2 A TRP 19 -27.49 124.01 2 A PRO 28 -70.09 37.42 3 A CYS 5 -117.80 53.00 3 A TRP 19 -28.01 122.95 3 A PRO 28 -72.62 39.87 4 A CYS 5 -112.08 60.45 4 A TRP 19 -28.26 124.05 4 A PRO 28 -72.15 39.74 5 A CYS 5 -113.27 62.19 5 A TRP 19 -27.19 122.68 5 A PRO 28 -73.77 39.36 6 A THR 9 -108.41 44.50 6 A TRP 19 -23.20 120.68 6 A PRO 28 -71.94 39.32 7 A CYS 5 -117.97 55.65 7 A TRP 19 -27.18 122.47 7 A PRO 28 -70.80 44.49 8 A CYS 5 -114.67 56.14 8 A TRP 19 -27.95 122.79 8 A PRO 28 -72.16 39.09 9 A CYS 5 -118.48 56.70 9 A TRP 19 -27.40 122.82 9 A PRO 28 -73.14 46.74 10 A CYS 5 -115.12 54.82 10 A TRP 19 -27.71 123.00 10 A PRO 28 -72.82 38.72 11 A CYS 5 -118.38 55.36 11 A TRP 19 -27.75 122.98 11 A PRO 28 -73.21 39.02 12 A THR 18 -113.13 66.12 12 A TRP 19 -23.55 120.36 12 A PRO 28 -72.86 47.38 13 A THR 18 -115.96 66.87 13 A TRP 19 -23.51 119.48 13 A PRO 28 -73.96 38.71 14 A THR 18 -111.25 67.60 14 A TRP 19 -26.33 122.53 14 A PRO 28 -75.60 39.03 15 A CYS 5 -105.34 57.32 15 A TRP 19 -21.56 122.25 15 A PRO 28 -74.82 38.82 16 A TRP 19 -25.70 122.26 16 A PRO 28 -71.59 48.26 17 A TRP 19 -25.18 121.06 17 A PRO 28 -71.70 45.61 18 A TRP 19 -25.22 121.33 18 A PRO 28 -72.85 38.72 19 A THR 18 -109.06 69.61 19 A TRP 19 -25.19 122.10 19 A PRO 28 -75.39 39.92 20 A CYS 5 -107.63 60.35 20 A TRP 19 -23.04 125.59 20 A PRO 28 -73.39 39.99 Solution structure of the Moebius cyclotide kalata B2 1 N N disulf 2.031 A CYS 1 A SG CYS 1 1_555 A CYS 15 A SG CYS 15 1_555 disulf 2.029 A CYS 5 A SG CYS 5 1_555 A CYS 17 A SG CYS 17 1_555 disulf 2.024 A CYS 10 A SG CYS 10 1_555 A CYS 22 A SG CYS 22 1_555 ANTIBIOTIC cyclotide, kalata, circular protein, cyclic cystine knot, CCK, ANTIBIOTIC A TRP 19 A TRP 19 1 A PRO 20 A PRO 20 0.68 A TRP 19 A TRP 19 2 A PRO 20 A PRO 20 0.57 A TRP 19 A TRP 19 3 A PRO 20 A PRO 20 0.72 A TRP 19 A TRP 19 4 A PRO 20 A PRO 20 0.67 A TRP 19 A TRP 19 5 A PRO 20 A PRO 20 0.72 A TRP 19 A TRP 19 6 A PRO 20 A PRO 20 0.29 A TRP 19 A TRP 19 7 A PRO 20 A PRO 20 0.69 A TRP 19 A TRP 19 8 A PRO 20 A PRO 20 0.63 A TRP 19 A TRP 19 9 A PRO 20 A PRO 20 0.67 A TRP 19 A TRP 19 10 A PRO 20 A PRO 20 0.63 A TRP 19 A TRP 19 11 A PRO 20 A PRO 20 0.71 A TRP 19 A TRP 19 12 A PRO 20 A PRO 20 0.43 A TRP 19 A TRP 19 13 A PRO 20 A PRO 20 0.54 A TRP 19 A TRP 19 14 A PRO 20 A PRO 20 0.53 A TRP 19 A TRP 19 15 A PRO 20 A PRO 20 0.50 A TRP 19 A TRP 19 16 A PRO 20 A PRO 20 0.75 A TRP 19 A TRP 19 17 A PRO 20 A PRO 20 0.85 A TRP 19 A TRP 19 18 A PRO 20 A PRO 20 0.54 A TRP 19 A TRP 19 19 A PRO 20 A PRO 20 0.81 A TRP 19 A TRP 19 20 A PRO 20 A PRO 20 0.65 KAB2_OLDAF UNP 1 P58454 179 203 1PT4 1 25 P58454 A 1 1 25 175 178 1PT4 26 29 P58454 A 1 26 29 2 anti-parallel A SER 16 A SER 16 A THR 18 A THR 18 A ILE 21 A ILE 21 A THR 23 A THR 23