1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Skjeldal, L. Gran, L. Sletten, K. Volkman, B.F. 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 H8 N2 O3 132.118 y ASPARAGINE 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 LEUCINE 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 Arch.Biochem.Biophys. ABBIA4 0158 0003-9861 399 142 148 10.1006/abbi.2002.2769 11888199 Refined structure and metal binding site of the kalata B1 peptide. 2002 US Biochemistry BICHAW 0033 0006-2960 34 4147 4158 Elucidation of the Primary and Three-Dimensional Structure of the Uterotonic Polypeptide Kalata B1 1995 10.2210/pdb1k48/pdb pdb_00001k48 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 2917.345 Kalata B1 1 nat polymer no no NGLPVCGETCVGGTCNTPGCTCSWPVCTR NGLPVCGETCVGGTCNTPGCTCSWPVCTR 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 Extracted from African plant kalata-kalata 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 2002-04-10 1 1 2008-04-27 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name ELUCIDATION OF THE PRIMARY AND THREE-DIMENSIONAL STRUCTURE OF THE UTEROTONIC POLYPEPTIDE KALATA B1 REFINED STRUCTURE AND DISULFIDE PAIRING OF THE KALATA B1 PEPTIDE RCSB Y RCSB 2001-10-05 REL STRUCTURE WAS DETERMINED USING NOES FROM A SINGLE 100 MS MIXING TIME NOESY EXPERIMENT 1 2D NOESY 0 3.00 AMBIENT 298.00 K STRUCTURES ARE BASED ON A TOTAL OF 333 DISTANCE CONSTRAINTS. THIS INCLUDES 6 UPPER AND 6 LOWER LIMITS DEFINING 3 DISULFIDE BONDS, AS WELL AS 3 UPPER AND 3 LOWER LIMITS DEFINING A PEPTIDE BOND CYCLIZING THE PEPTIDE BACKBONE. RESIDUE NUMBERING FOLLOWS THE ORIGINAL DESCRIPTION OF CITATION 1, EXCEPT THAT FOR THE PURPOSES OF STRUCTURE CALCULATIONS, THE N-TERMINAL RESIDUE WAS TAKEN AS ASN8. THEREFORE, RESIDUES 30-36 IN THIS DEPOSITION CORRESPOND TO RESIDUES 1-7 IN CITATION 1 AND RELATED PDB ENTRY 1KAL. STRUCTURES WERE REFINED IN THE ABSENCE OF ANY ARTIFICIAL CONSTRAINTS DEFINING DISULFIDE BONDS UNTIL ALL NOES HAD BEEN ASSIGNED AND LOW TARGET FUNCTIONS WERE ACHIEVED (TF=0.6). 15 ADDITIONAL CALCULATIONS WERE PERFORMED WITH THESE INPUT DATA AND THE INCLUSION OF CONSTRAINTS DEFINING ALL POSSIBLE DISULFIDE PAIRING COMBINATIONS. THE STRUCTURES CONTAINING DISULFIDES BETWEEN [5(34)-13], [17-29] AND [22-27] DISPLAYED THE LOWEST TARGET FUNCTION (0.74, SECOND LOWEST WAS 1.54). ON THE BASIS OF THIS RESULT AND ANALYSIS OF NOES OBSERVED BETWEEN CYS SIDECHAIN PROTONS, THIS DISULFIDE BONDING ARRANGEMENT WAS ASSUMED TO BE CORRECT AND SERVED AS THE BASIS FOR THIS DEPOSITION. torsion angle dynamics minimized average structure 5 MM KALATA B1, 10% D2O P. GUENTERT refinement DYANA 1.5 Bruker Instruments collection XwinNMR 2.6 C. Mumenthaler data analysis XEASY 1.3.11 750 Bruker DMX ASN 8 n 1 ASN 8 A GLY 9 n 2 GLY 9 A LEU 10 n 3 LEU 10 A PRO 11 n 4 PRO 11 A VAL 12 n 5 VAL 12 A CYS 13 n 6 CYS 13 A GLY 14 n 7 GLY 14 A GLU 15 n 8 GLU 15 A THR 16 n 9 THR 16 A CYS 17 n 10 CYS 17 A VAL 18 n 11 VAL 18 A GLY 19 n 12 GLY 19 A GLY 20 n 13 GLY 20 A THR 21 n 14 THR 21 A CYS 22 n 15 CYS 22 A ASN 23 n 16 ASN 23 A THR 24 n 17 THR 24 A PRO 25 n 18 PRO 25 A GLY 26 n 19 GLY 26 A CYS 27 n 20 CYS 27 A THR 28 n 21 THR 28 A CYS 29 n 22 CYS 29 A SER 30 n 23 SER 30 A TRP 31 n 24 TRP 31 A PRO 32 n 25 PRO 32 A VAL 33 n 26 VAL 33 A CYS 34 n 27 CYS 34 A THR 35 n 28 THR 35 A ARG 36 n 29 ARG 36 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 1 A A N C ASN ARG 8 36 1.38 1 A CYS 17 -153.79 67.60 1 A ASN 23 82.83 -7.96 1 A CYS 29 -39.32 114.11 1 A TRP 31 62.26 137.04 minimized average REFINED STRUCTURE AND DISULFIDE PAIRING OF THE KALATA B1 PEPTIDE 1 N N disulf 1.980 A CYS 13 A SG CYS 6 1_555 A CYS 34 A SG CYS 27 1_555 disulf 2.108 A CYS 17 A SG CYS 10 1_555 A CYS 29 A SG CYS 22 1_555 disulf 2.058 A CYS 22 A SG CYS 15 1_555 A CYS 27 A SG CYS 20 1_555 PLANT PROTEIN CYCLIC PEPTIDE, CYCLOTIDE, DISULFIDE PAIRING, UTEROTONIC, PLANT PROTEIN A TRP 31 A TRP 24 1 A PRO 32 A PRO 25 -0.04 KAB1_OLDAF UNP 1 1 P56254 TCVGGTCNTPGCTCSWPVCTRNGLPVCGE 22 29 1K48 8 15 P56254 A 1 1 8 1 21 1K48 16 36 P56254 A 1 9 29 1 P 1