HEADER PROTEIN BINDING 05-JUN-01 1JBL TITLE SOLUTION STRUCTURE OF SFTI-1, A CYCLIC TRYPSIN INHIBITOR FROM TITLE 2 SUNFLOWER SEEDS COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYCLIC TRYPSIN INHIBITOR; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: SFTI-1 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HELIANTHUS ANNUUS; SOURCE 3 ORGANISM_COMMON: COMMON SUNFLOWER; SOURCE 4 ORGANISM_TAXID: 4232 KEYWDS CYCLIC BACKBONE, 2 BETA STRANDS, 1 DISULFIDE BOND, SFTI-1, PROTEIN KEYWDS 2 BINDING EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR M.L.J.KORSINCZKY,H.J.SCHIRRA,K.J.ROSENGREN,J.WEST,B.A.CONDIE,L.OTVOS, AUTHOR 2 M.A.ANDERSON,D.J.CRAIK REVDAT 6 15-APR-15 1JBL 1 VERSN REMARK REVDAT 5 16-FEB-11 1JBL 1 DBREF REVDAT 4 24-FEB-09 1JBL 1 VERSN REVDAT 3 01-APR-03 1JBL 1 JRNL REVDAT 2 25-DEC-02 1JBL 1 REMARK REVDAT 1 22-AUG-01 1JBL 0 JRNL AUTH M.L.KORSINCZKY,H.J.SCHIRRA,K.J.ROSENGREN,J.WEST,B.A.CONDIE, JRNL AUTH 2 L.OTVOS,M.A.ANDERSON,D.J.CRAIK JRNL TITL SOLUTION STRUCTURES BY 1H NMR OF THE NOVEL CYCLIC TRYPSIN JRNL TITL 2 INHIBITOR SFTI-1 FROM SUNFLOWER SEEDS AND AN ACYCLIC JRNL TITL 3 PERMUTANT. JRNL REF J.MOL.BIOL. V. 311 579 2001 JRNL REFN ISSN 0022-2836 JRNL PMID 11493011 JRNL DOI 10.1006/JMBI.2001.4887 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 111 DISTANCE CONSTRAINTS, REMARK 3 COMPRISING 53 SEQUENTIAL, REMARK 3 18 MEDIUM RANGE, REMARK 3 68 LONG RANGE, REMARK 3 6 CHI1 ANGLE CONSTRAINTS REMARK 3 7 PHI ANGLE CONSTRAINTS REMARK 4 REMARK 4 1JBL COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 07-JUN-01. REMARK 100 THE RCSB ID CODE IS RCSB013590. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 273; 313 REMARK 210 PH : 4.5; 4.5 REMARK 210 IONIC STRENGTH : 20MM; 20MM REMARK 210 PRESSURE : AMBIENT; AMBIENT REMARK 210 SAMPLE CONTENTS : 1MM SFTI-1; 1MM SFTI-1; 1MM SFTI REMARK 210 -1 REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY; DQF-COSY; E-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ; 750 MHZ REMARK 210 SPECTROMETER MODEL : ARX; DMX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR 2.6, CCNMR, X-PLOR 3.851 REMARK 210 METHOD USED : SIMULATED ANNEALING WITH REMARK 210 REFINEMENT USING A MODIFIED CSDX REMARK 210 FORCE FIELD. REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: THIS STRUCTURE WAS DETERMINED USING STANDARD 2D REMARK 210 HOMONUCLEAR TECHNIQUES REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 400 REMARK 400 COMPOUND REMARK 400 REMARK 400 THE TRYPSIN INHIBITOR 1 IS POLYPEPTIDE, A MEMBER OF TRYPSIN REMARK 400 INHIBITOR CLASS. REMARK 400 REMARK 400 GROUP: 1 REMARK 400 NAME: TRYPSIN INHIBITOR 1 REMARK 400 CHAIN: A REMARK 400 COMPONENT_1: PEPTIDE LIKE POLYMER REMARK 400 DESCRIPTION: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 1 ARG A 2 158.76 -49.74 REMARK 500 2 LYS A 5 36.99 -85.68 REMARK 500 3 LYS A 5 33.05 -83.87 REMARK 500 4 LYS A 5 31.33 -83.07 REMARK 500 5 LYS A 5 32.95 -84.42 REMARK 500 8 LYS A 5 33.77 -89.83 REMARK 500 9 LYS A 5 35.76 -84.40 REMARK 500 10 LYS A 5 32.11 -81.94 REMARK 500 11 LYS A 5 35.78 -83.70 REMARK 500 13 ARG A 2 152.53 -49.57 REMARK 500 13 LYS A 5 39.61 -86.27 REMARK 500 14 LYS A 5 42.98 -88.04 REMARK 500 15 LYS A 5 33.16 -85.07 REMARK 500 16 LYS A 5 33.83 -84.68 REMARK 500 17 LYS A 5 33.02 -83.76 REMARK 500 18 LYS A 5 30.42 -82.43 REMARK 500 19 LYS A 5 31.57 -82.93 REMARK 500 20 LYS A 5 43.25 -89.70 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1JBN RELATED DB: PDB REMARK 900 1JBN CONTAINS THE SAME PROTEIN LINEARIZED AT THE D14-G1 REMARK 900 PEPTIDE BOND DBREF 1JBL A 1 14 UNP Q4GWU5 SFTI1_HELAN 1 14 SEQRES 1 A 14 GLY ARG CYS THR LYS SER ILE PRO PRO ILE CYS PHE PRO SEQRES 2 A 14 ASP SSBOND 1 CYS A 3 CYS A 11 1555 1555 2.03 LINK N GLY A 1 C ASP A 14 1555 1555 1.34 CISPEP 1 ILE A 7 PRO A 8 1 -0.44 CISPEP 2 ILE A 7 PRO A 8 2 -0.49 CISPEP 3 ILE A 7 PRO A 8 3 -0.53 CISPEP 4 ILE A 7 PRO A 8 4 -0.35 CISPEP 5 ILE A 7 PRO A 8 5 -0.50 CISPEP 6 ILE A 7 PRO A 8 6 -0.38 CISPEP 7 ILE A 7 PRO A 8 7 -0.40 CISPEP 8 ILE A 7 PRO A 8 8 -0.44 CISPEP 9 ILE A 7 PRO A 8 9 -0.65 CISPEP 10 ILE A 7 PRO A 8 10 -0.62 CISPEP 11 ILE A 7 PRO A 8 11 -0.53 CISPEP 12 ILE A 7 PRO A 8 12 -0.45 CISPEP 13 ILE A 7 PRO A 8 13 -0.78 CISPEP 14 ILE A 7 PRO A 8 14 -0.36 CISPEP 15 ILE A 7 PRO A 8 15 -0.60 CISPEP 16 ILE A 7 PRO A 8 16 -0.53 CISPEP 17 ILE A 7 PRO A 8 17 -0.46 CISPEP 18 ILE A 7 PRO A 8 18 -0.37 CISPEP 19 ILE A 7 PRO A 8 19 -0.61 CISPEP 20 ILE A 7 PRO A 8 20 -0.35 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1