HEADER HYDROLASE INHIBITOR 30-MAY-07 2V1V TITLE 3D STRUCTURE OF THE M8L MUTANT OF SQUASH TRYPSIN INHIBITOR CMTI-I COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPSIN INHIBITOR 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TRYPSIN INHIBITOR I, CMTI-I, ITD-I; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: CUCURBITA MAXIMA; SOURCE 4 ORGANISM_COMMON: PUMPKIN; SOURCE 5 ORGANISM_TAXID: 3661 KEYWDS HYDROLASE INHIBITOR, SERINE PROTEASE INHIBITOR, HYDROLASE INHIBITOR KEYWDS 2 HYDROLASE, TRYPSIN INHIBITOR, PROTEASE INHIBITOR EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR P.SLEDZ,K.BOLEWSKA,A.BIERZYNSKI,I.ZHUKOV REVDAT 4 09-OCT-19 2V1V 1 JRNL REMARK REVDAT 3 24-OCT-18 2V1V 1 REMARK REVDAT 2 24-FEB-09 2V1V 1 VERSN REVDAT 1 19-JUN-07 2V1V 0 SPRSDE 19-JUN-07 2V1V 1BXJ JRNL AUTH I.ZHUKOV,L.JAROSZEWSKI,A.BIERZYNSKI JRNL TITL CONSERVATIVE MUTATION MET8 --> LEU AFFECTS THE FOLDING JRNL TITL 2 PROCESS AND STRUCTURAL STABILITY OF SQUASH TRYPSIN INHIBITOR JRNL TITL 3 CMTI-I. JRNL REF PROTEIN SCI. V. 9 273 2000 JRNL REFN ISSN 0961-8368 JRNL PMID 10716179 JRNL DOI 10.1110/PS.9.2.273 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.SLEDZ,I.ZHUKOV,A.EJCHART REMARK 1 TITL THE ANALYSIS OF MOLECULAR DYNAMICS FOR M8L CMTI-I PROTEIN REMARK 1 REF TO BE PUBLISHED REMARK 1 REFN REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS, GROSSE- REMARK 3 KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU,READ, RICE, REMARK 3 SIMONSON,WARREN REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2V1V COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 30-MAY-07. REMARK 100 THE DEPOSITION ID IS D_1290032738. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298.0 REMARK 210 PH : 5.6 REMARK 210 IONIC STRENGTH : 300 REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : 90% H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : TOCSY; NOESY; 1H-13C HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ REMARK 210 SPECTROMETER MODEL : UNITYPLUS REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : SPARKY REMARK 210 METHOD USED : NULL REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 20 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : LOWEST ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 4 REMARK 210 REMARK 210 REMARK: NONE 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 ENGINEERED RESIDUE IN CHAIN A, MET 8 TO LEU 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 CYS A 16 169.68 -45.95 REMARK 500 1 ALA A 18 -147.82 50.11 REMARK 500 1 GLU A 19 58.80 -95.52 REMARK 500 2 CYS A 16 170.49 -46.44 REMARK 500 2 ALA A 18 -150.71 49.69 REMARK 500 3 LEU A 8 118.82 -164.28 REMARK 500 3 CYS A 16 173.24 -49.34 REMARK 500 3 ALA A 18 -124.78 52.17 REMARK 500 4 CYS A 3 130.16 -172.95 REMARK 500 4 ARG A 5 79.76 -65.25 REMARK 500 4 LEU A 8 113.06 -163.83 REMARK 500 4 CYS A 16 172.47 -48.47 REMARK 500 4 ALA A 18 -124.87 52.81 REMARK 500 5 VAL A 2 92.22 -67.50 REMARK 500 5 CYS A 3 130.14 -171.41 REMARK 500 5 LEU A 8 119.58 -161.85 REMARK 500 5 CYS A 16 173.55 -49.44 REMARK 500 5 ALA A 18 -124.71 51.13 REMARK 500 6 PRO A 4 155.89 -46.16 REMARK 500 6 CYS A 16 172.30 -49.82 REMARK 500 6 ALA A 18 -124.83 52.68 REMARK 500 7 PRO A 4 157.45 -46.46 REMARK 500 7 LEU A 8 113.29 -161.11 REMARK 500 7 CYS A 16 172.39 -47.75 REMARK 500 7 ALA A 18 -125.09 47.72 REMARK 500 8 CYS A 16 174.59 -50.68 REMARK 500 8 ALA A 18 -124.89 53.06 REMARK 500 9 VAL A 2 76.46 -66.84 REMARK 500 9 ARG A 5 79.75 -66.98 REMARK 500 9 LEU A 8 115.68 -163.65 REMARK 500 9 CYS A 16 172.60 -48.47 REMARK 500 9 ALA A 18 -124.82 52.24 REMARK 500 10 VAL A 2 77.49 -102.80 REMARK 500 10 ARG A 5 79.73 -65.04 REMARK 500 10 LEU A 8 116.76 -162.80 REMARK 500 10 CYS A 16 171.12 -47.28 REMARK 500 10 ALA A 18 -151.32 49.46 REMARK 500 10 GLU A 19 58.62 -90.98 REMARK 500 11 CYS A 16 171.57 -47.79 REMARK 500 11 ALA A 18 -124.98 52.70 REMARK 500 12 VAL A 2 70.97 -110.14 REMARK 500 12 CYS A 16 172.75 -48.61 REMARK 500 12 ALA A 18 -124.92 50.90 REMARK 500 13 ARG A 5 79.58 -65.96 REMARK 500 13 LEU A 8 118.75 -163.23 REMARK 500 13 CYS A 16 173.35 -49.25 REMARK 500 13 ALA A 18 -124.78 53.22 REMARK 500 14 PRO A 4 150.11 -41.91 REMARK 500 14 CYS A 16 174.11 -49.98 REMARK 500 14 ALA A 18 -124.98 52.98 REMARK 500 REMARK 500 THIS ENTRY HAS 76 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 650 REMARK 650 HELIX REMARK 650 DETERMINATION METHOD: AUTHOR PROVIDED. REMARK 700 REMARK 700 SHEET REMARK 700 DETERMINATION METHOD: AUTHOR PROVIDED. REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1BXJ RELATED DB: PDB REMARK 900 3D STRUCTURE OF THE M8L MUTANT OF SQUASH TRYPSIN INHIBITOR CMTI-I, REMARK 900 NMR, 6 STUCTURES REMARK 900 RELATED ID: 1CTI RELATED DB: PDB REMARK 900 TRYPSIN INHIBITOR (NMR, MINIMIZED MEAN STRUCTURE) REMARK 900 RELATED ID: 1LU0 RELATED DB: PDB REMARK 900 ATOMIC RESOLUTION STRUCTURE OF SQUASH TRYPSIN INHIBITOR:UNEXPECTED REMARK 900 METAL COORDINATION REMARK 900 RELATED ID: 1PPE RELATED DB: PDB REMARK 900 TRYPSIN COMPLEX WITH (CUCURBITA MAXIMA) TRYPSIN INHIBITOR (CMTI-I) REMARK 900 RELATED ID: 2CTI RELATED DB: PDB REMARK 900 TRYPSIN INHIBITOR (NMR, 5 SIMULATED ANNEALING STRUCTURES) REMARK 900 RELATED ID: 2STA RELATED DB: PDB REMARK 900 ANIONIC SALMON TRYPSIN IN COMPLEX WITH SQUASH SEED INHIBITOR REMARK 900 (CUCURBITA MAXIMA TRYPSIN INHIBITOR I) REMARK 900 RELATED ID: 3CTI RELATED DB: PDB REMARK 900 TRYPSIN INHIBITOR (NMR, 6 SIMULATED ANNEALING STRUCTURES) (CMTI I) REMARK 900 RELATED ID: 4246 RELATED DB: BMRB REMARK 999 REMARK 999 SEQUENCE REMARK 999 M8L DBREF 2V1V A 1 29 UNP P01074 ITR1_CUCMA 1 29 SEQADV 2V1V LEU A 8 UNP P01074 MET 8 ENGINEERED MUTATION SEQRES 1 A 29 ARG VAL CYS PRO ARG ILE LEU LEU GLU CYS LYS LYS ASP SEQRES 2 A 29 SER ASP CYS LEU ALA GLU CYS VAL CYS LEU GLU HIS GLY SEQRES 3 A 29 TYR CYS GLY HELIX 1 1 ASP A 13 ASP A 15 5 3 SHEET 1 A 3 LEU A 8 CYS A 10 0 SHEET 2 A 3 VAL A 21 LEU A 23 0 SHEET 3 A 3 TYR A 27 GLY A 29 0 SSBOND 1 CYS A 3 CYS A 20 1555 1555 2.03 SSBOND 2 CYS A 10 CYS A 22 1555 1555 2.03 SSBOND 3 CYS A 16 CYS A 28 1555 1555 2.03 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