HEADER HYDROLASE/HYDROLASE INHIBITOR 16-MAY-04 1T9E TITLE NMR SOLUTION STRUCTURE OF A DISULFIDE ANALOGUE OF THE CYCLIC SUNFLOWER TITLE 2 TRYPSIN INHIBITOR SFTI-1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPSIN INHIBITOR 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: SFTI-1; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: HELIANTHUS ANNUUS; SOURCE 4 ORGANISM_COMMON: COMMON SUNFLOWER; SOURCE 5 ORGANISM_TAXID: 4232; SOURCE 6 OTHER_DETAILS: THE PEPTIDE WAS SYNTHESIZED USING STANDARD SOLID SOURCE 7 PHASE PEPTIDE SYNTHESIS METHODS USING BOC CHEMISTRY. THE PEPTIDE SOURCE 8 BACKBONE WAS CYCLICIZED IN SOLUTION BY ADDITION OF HBTU AND DIEA SOURCE 9 WHICH RESULTED IN THE FORMATION OF A PEPTIDE BOND BETWEEN D14 AND SOURCE 10 G1. THE SEQUENCE OF THE PEPTIDE IS NATURALLY FOUND IN HELIANTHUS SOURCE 11 ANNUS (SUNFLOWER) KEYWDS SUNFLOWER TRYPSIN INHIBITOR, DISULFIDE MUTANT, HYDROLASE-HYDROLASE KEYWDS 2 INHIBITOR COMPLEX EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR M.L.J.KORSINCZKY,R.J.CLARK,D.J.CRAIK REVDAT 3 13-JUL-11 1T9E 1 VERSN REVDAT 2 24-FEB-09 1T9E 1 VERSN REVDAT 1 03-MAY-05 1T9E 0 JRNL AUTH M.L.J.KORSINCZKY,R.J.CLARK,D.J.CRAIK JRNL TITL DISULFIDE BOND MUTAGENESIS AND THE STRUCTURE AND FUNCTION OF JRNL TITL 2 THE HEAD-TO-TAIL MACROCYCLIC TRYPSIN INHIBITOR SFTI-1 JRNL REF BIOCHEMISTRY V. 44 1145 2005 JRNL REFN ISSN 0006-2960 JRNL PMID 15667208 JRNL DOI 10.1021/BI048297R REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER, ADAMS, CLORE, DELANO, GROS, GROSSE- REMARK 3 KUNSTLEVE, JIANG, KUSZEWSKI, NILGES, PANNU, READ, REMARK 3 RICE, SIMONSON, WARREN REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1T9E COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-JUN-04. REMARK 100 THE RCSB ID CODE IS RCSB022476. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 290 REMARK 210 PH : 4.5 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 10 MM PEPTIDE IN 0.5 ML SOLVENT; REMARK 210 10 MM PEPTIDE IN 0.5 ML SOLVENT REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : DQF-COSY; 2D TOCSY; 2D NOESY; E- REMARK 210 COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 750 MHZ REMARK 210 SPECTROMETER MODEL : DMX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR 3.5, CNS 1.0 REMARK 210 METHOD USED : STRUCTURES WERE CALCULATED USING REMARK 210 TORSION ANGLE DYNAMICS AND REMARK 210 REFINED USING CARTESIAN DYNAMICS REMARK 210 AND ENERGY MINIMIZATION IN REMARK 210 SOLVENT USING CNS. 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 : 1 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 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 LYS A 5 47.90 -80.98 REMARK 500 2 LYS A 5 46.12 -80.55 REMARK 500 3 LYS A 5 49.91 -84.47 REMARK 500 4 LYS A 5 46.75 -82.71 REMARK 500 5 LYS A 5 48.14 -82.03 REMARK 500 5 PRO A 13 54.43 -66.72 REMARK 500 6 LYS A 5 49.26 -82.54 REMARK 500 8 LYS A 5 49.14 -84.21 REMARK 500 9 LYS A 5 43.96 -81.30 REMARK 500 10 LYS A 5 48.72 -84.16 REMARK 500 11 LYS A 5 48.68 -82.12 REMARK 500 12 LYS A 5 46.86 -82.41 REMARK 500 13 LYS A 5 49.33 -83.58 REMARK 500 14 LYS A 5 46.43 -81.14 REMARK 500 14 PRO A 13 53.57 -67.99 REMARK 500 15 LYS A 5 49.08 -84.26 REMARK 500 16 LYS A 5 49.32 -86.94 REMARK 500 18 LYS A 5 49.84 -81.81 REMARK 500 20 LYS A 5 49.45 -89.86 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1SFI RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF NATIVE SFTI-1 REMARK 900 RELATED ID: 1JBL RELATED DB: PDB REMARK 900 NMR STRUCTURE OF NATIVE SFTI-1 REMARK 900 RELATED ID: 1JBN RELATED DB: PDB REMARK 900 NMR STRUCTURE OF AN ACYCLIC PERMUTANT OF SFTI-1 REMARK 900 RELATED ID: 1O8Y RELATED DB: PDB REMARK 900 NMR STRUCTURE OF AN ACYCLIC PERMUTANT OF SFTI-1 REMARK 900 RELATED ID: 1O8Z RELATED DB: PDB REMARK 900 NMR STRUCTURE OF AN ACYCLIC PERMUTANT OF SFTI-1 DBREF 1T9E A 1 14 UNP Q4GWU5 SFTI1_HELAN 40 53 SEQADV 1T9E ABA A 3 UNP Q4GWU5 CYS 42 ENGINEERED MUTATION SEQADV 1T9E ABA A 11 UNP Q4GWU5 CYS 50 ENGINEERED MUTATION SEQRES 1 A 14 GLY ARG ABA THR LYS SER ILE PRO PRO ILE ABA PHE PRO SEQRES 2 A 14 ASP MODRES 1T9E ABA A 3 ALA ALPHA-AMINOBUTYRIC ACID MODRES 1T9E ABA A 11 ALA ALPHA-AMINOBUTYRIC ACID HET ABA A 3 13 HET ABA A 11 13 HETNAM ABA ALPHA-AMINOBUTYRIC ACID FORMUL 1 ABA 2(C4 H9 N O2) LINK C ARG A 2 N ABA A 3 1555 1555 1.32 LINK C ABA A 3 N THR A 4 1555 1555 1.33 LINK C ILE A 10 N ABA A 11 1555 1555 1.32 LINK C ABA A 11 N PHE A 12 1555 1555 1.32 LINK N GLY A 1 C ASP A 14 1555 1555 1.33 CISPEP 1 ILE A 7 PRO A 8 1 0.06 CISPEP 2 ILE A 7 PRO A 8 2 -0.02 CISPEP 3 ILE A 7 PRO A 8 3 -0.35 CISPEP 4 ILE A 7 PRO A 8 4 -0.26 CISPEP 5 ILE A 7 PRO A 8 5 -0.53 CISPEP 6 ILE A 7 PRO A 8 6 -0.39 CISPEP 7 ILE A 7 PRO A 8 7 -0.36 CISPEP 8 ILE A 7 PRO A 8 8 -0.25 CISPEP 9 ILE A 7 PRO A 8 9 -0.09 CISPEP 10 ILE A 7 PRO A 8 10 -0.46 CISPEP 11 ILE A 7 PRO A 8 11 -0.08 CISPEP 12 ILE A 7 PRO A 8 12 -0.17 CISPEP 13 ILE A 7 PRO A 8 13 -0.35 CISPEP 14 ILE A 7 PRO A 8 14 -0.13 CISPEP 15 ILE A 7 PRO A 8 15 -0.05 CISPEP 16 ILE A 7 PRO A 8 16 -0.39 CISPEP 17 ILE A 7 PRO A 8 17 -0.04 CISPEP 18 ILE A 7 PRO A 8 18 -0.11 CISPEP 19 ILE A 7 PRO A 8 19 -0.09 CISPEP 20 ILE A 7 PRO A 8 20 -0.22 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