HEADER HYDROLASE 03-DEC-01 1KIO TITLE SOLUTION STRUCTURE OF THE SMALL SERINE PROTEASE INHIBITOR SGCI[L30R, TITLE 2 K31M] COMPND MOL_ID: 1; COMPND 2 MOLECULE: SERINE PROTEASE INHIBITOR I; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 57-91; COMPND 5 SYNONYM: SCHISTOCERCA GREGARIA CHYMOTRYPSIN INHIBITOR (SGCI); COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: SOLID PHASE PEPTIDE SYNTHESIS, FMOC STRATEGY, SOURCE 4 SEQUENCE NATURALLY FOUND IN SCHISTOCERCA GREGARIA (DESERT LOCUST) KEYWDS SPECIFICITY, PROTEASE INHIBITOR, MODIFIED SPECIFICITY, HYDROLASE EXPDTA SOLUTION NMR NUMMDL 10 AUTHOR Z.GASPARI,A.PATTHY,L.GRAF,A.PERCZEL REVDAT 5 27-OCT-21 1KIO 1 REMARK SEQADV REVDAT 4 24-FEB-09 1KIO 1 VERSN REVDAT 3 01-APR-03 1KIO 1 JRNL REVDAT 2 27-FEB-02 1KIO 1 JRNL REVDAT 1 12-DEC-01 1KIO 0 JRNL AUTH Z.GASPARI,A.PATTHY,L.GRAF,A.PERCZEL JRNL TITL COMPARATIVE STRUCTURE ANALYSIS OF PROTEINASE INHIBITORS FROM JRNL TITL 2 THE DESERT LOCUST, SCHISTOCERCA GREGARIA. JRNL REF EUR.J.BIOCHEM. V. 269 527 2002 JRNL REFN ISSN 0014-2956 JRNL PMID 11856311 JRNL DOI 10.1046/J.0014-2956.2001.02685.X 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: THE STRUCTURES ARE BASED ON A TOTAL OF REMARK 3 526 NMR DISTANCE RESTRAINTS (150 LONG-RANGE) REMARK 4 REMARK 4 1KIO COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-DEC-01. REMARK 100 THE DEPOSITION ID IS D_1000014996. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 292 REMARK 210 PH : 3.03 REMARK 210 IONIC STRENGTH : 0 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 2.8MM SGCI[L30R, K31M] NA REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ REMARK 210 SPECTROMETER MODEL : DRX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : X-PLOR 3.851 REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 10 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH ACCEPTABLE REMARK 210 COVALENT GEOMETRY,STRUCTURES REMARK 210 WITH THE LEAST RESTRAINT REMARK 210 VIOLATIONS REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 3 REMARK 210 REMARK 210 REMARK: NULL 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: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 REMARK 500 REMARK: 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 LYS A 13 -135.63 45.83 REMARK 500 1 THR A 16 179.12 -51.53 REMARK 500 1 CYS A 17 88.24 -168.75 REMARK 500 1 ARG A 18 98.21 -68.00 REMARK 500 1 SER A 25 116.35 -170.23 REMARK 500 1 CYS A 28 136.78 63.78 REMARK 500 1 ARG A 30 -156.83 -155.37 REMARK 500 2 THR A 8 -33.79 -165.39 REMARK 500 2 THR A 9 165.57 51.53 REMARK 500 2 PHE A 10 168.95 176.46 REMARK 500 2 LYS A 13 -102.97 48.33 REMARK 500 2 THR A 16 -174.62 -52.64 REMARK 500 2 CYS A 17 95.43 174.85 REMARK 500 2 LYS A 24 41.35 170.59 REMARK 500 2 SER A 25 100.32 -172.63 REMARK 500 2 ALA A 26 -150.46 -104.63 REMARK 500 2 ALA A 27 -39.38 -147.28 REMARK 500 2 CYS A 28 134.36 63.69 REMARK 500 3 THR A 3 25.53 176.60 REMARK 500 3 ASP A 12 -82.69 -98.90 REMARK 500 3 LYS A 13 -102.41 -68.20 REMARK 500 3 THR A 16 -166.18 -76.00 REMARK 500 3 CYS A 17 107.68 174.38 REMARK 500 3 LYS A 24 43.16 -149.98 REMARK 500 3 SER A 25 109.72 -172.06 REMARK 500 3 CYS A 28 135.93 63.72 REMARK 500 3 ARG A 30 122.81 73.93 REMARK 500 3 MET A 31 -32.74 -165.18 REMARK 500 3 ALA A 32 136.22 72.63 REMARK 500 4 THR A 3 -20.36 158.97 REMARK 500 4 PHE A 10 164.65 178.55 REMARK 500 4 LYS A 11 -149.72 -58.64 REMARK 500 4 ASP A 12 -26.40 174.88 REMARK 500 4 LYS A 13 -51.04 138.92 REMARK 500 4 CYS A 19 129.20 -34.24 REMARK 500 4 LYS A 24 15.60 -150.45 REMARK 500 4 THR A 29 -89.66 -37.24 REMARK 500 4 ARG A 30 -47.21 -172.81 REMARK 500 4 MET A 31 -75.93 -16.35 REMARK 500 4 ALA A 32 -149.58 -148.98 REMARK 500 5 THR A 8 -30.40 -150.68 REMARK 500 5 THR A 9 122.99 57.76 REMARK 500 5 LYS A 13 -76.84 73.94 REMARK 500 5 CYS A 14 -35.55 -134.77 REMARK 500 5 ASN A 15 -169.20 -118.32 REMARK 500 5 CYS A 19 106.29 69.48 REMARK 500 5 THR A 29 -103.54 -51.41 REMARK 500 5 ARG A 30 34.43 -179.36 REMARK 500 5 MET A 31 -82.41 -55.52 REMARK 500 5 ALA A 32 121.76 158.92 REMARK 500 REMARK 500 THIS ENTRY HAS 92 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 1 ARG A 18 0.31 SIDE CHAIN REMARK 500 1 ARG A 30 0.25 SIDE CHAIN REMARK 500 2 ARG A 18 0.24 SIDE CHAIN REMARK 500 2 ARG A 30 0.29 SIDE CHAIN REMARK 500 3 ARG A 18 0.20 SIDE CHAIN REMARK 500 3 ARG A 30 0.28 SIDE CHAIN REMARK 500 4 ARG A 30 0.32 SIDE CHAIN REMARK 500 5 ARG A 18 0.21 SIDE CHAIN REMARK 500 5 ARG A 30 0.24 SIDE CHAIN REMARK 500 6 ARG A 18 0.31 SIDE CHAIN REMARK 500 6 ARG A 30 0.22 SIDE CHAIN REMARK 500 7 ARG A 18 0.18 SIDE CHAIN REMARK 500 7 ARG A 30 0.32 SIDE CHAIN REMARK 500 8 ARG A 18 0.20 SIDE CHAIN REMARK 500 8 ARG A 30 0.23 SIDE CHAIN REMARK 500 9 ARG A 18 0.12 SIDE CHAIN REMARK 500 9 ARG A 30 0.20 SIDE CHAIN REMARK 500 10 ARG A 18 0.28 SIDE CHAIN REMARK 500 10 ARG A 30 0.21 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1KGM RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF THE SMALL SERINE PROTEASE INHIBITOR SGCI REMARK 900 RELATED ID: 1PMC RELATED DB: PDB REMARK 900 PROTEINASE INHIBITOR PMP-C (NMR, 36 STRUCTURES) REMARK 900 RELATED ID: 1KJ0 RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF THE SMALL SERINE PROTEASE INHIBITOR SGTI DBREF 1KIO A 1 35 UNP O46162 SGP1_SCHGR 57 91 SEQADV 1KIO ARG A 30 UNP O46162 LEU 86 ENGINEERED MUTATION SEQADV 1KIO MET A 31 UNP O46162 LYS 87 ENGINEERED MUTATION SEQRES 1 A 35 GLU VAL THR CYS GLU PRO GLY THR THR PHE LYS ASP LYS SEQRES 2 A 35 CYS ASN THR CYS ARG CYS GLY SER ASP GLY LYS SER ALA SEQRES 3 A 35 ALA CYS THR ARG MET ALA CYS PRO GLN SHEET 1 A 2 THR A 8 THR A 9 0 SHEET 2 A 2 ARG A 18 CYS A 19 -1 O CYS A 19 N THR A 8 SSBOND 1 CYS A 4 CYS A 19 1555 1555 2.02 SSBOND 2 CYS A 14 CYS A 33 1555 1555 2.02 SSBOND 3 CYS A 17 CYS A 28 1555 1555 2.02 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