HEADER PROTEASE INHIBITOR 14-SEP-04 1W7Z TITLE CRYSTAL STRUCTURE OF THE FREE (UNCOMPLEXED) ECBALLIUM ELATERIUM TITLE 2 TRYPSIN INHIBITOR (EETI-II) COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPSIN INHIBITOR II; COMPND 3 CHAIN: A, B, C, D, E, F, G, H; COMPND 4 SYNONYM: EETI-II; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ECBALLIUM ELATERIUM; SOURCE 3 ORGANISM_COMMON: SQUIRTING CUCUMBER; SOURCE 4 ORGANISM_TAXID: 3679; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: W3110; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PLZPWB-ETI-II KEYWDS SQUASH SEED INHIBITOR, CYSTEIN KNOT, ECBALLIUM ELATERIUM, TRYPSIN, KEYWDS 2 PROTEASE INHIBITOR EXPDTA X-RAY DIFFRACTION AUTHOR R.KRAETZNER,J.E.DEBRECZENI,T.PAPE,H.KOLMAR,T.R.SCHNEIDER,I.USON, AUTHOR 2 G.M.SCHELDRICK REVDAT 4 20-NOV-24 1W7Z 1 REMARK REVDAT 3 13-DEC-23 1W7Z 1 LINK REVDAT 2 24-FEB-09 1W7Z 1 VERSN REVDAT 1 01-NOV-05 1W7Z 0 JRNL AUTH R.KRAETZNER,J.E.DEBRECZENI,T.PAPE,T.R.SCHNEIDER,A.WENTZEL, JRNL AUTH 2 H.KOLMAR,G.M.SCHELDRICK,I.USON JRNL TITL STRUCTURE OF ECBALLIUM ELATERIUM TRYPSIN INHIBITOR II JRNL TITL 2 (EETI-II): A RIGID MOLECULAR SCAFFOLD JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 61 1255 2005 JRNL REFN ISSN 0907-4449 JRNL PMID 16131759 JRNL DOI 10.1107/S0907444905021207 REMARK 2 REMARK 2 RESOLUTION. 1.67 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.67 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 55.13 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 96.9 REMARK 3 NUMBER OF REFLECTIONS : 33780 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.197 REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1779 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.67 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.72 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1769 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2310 REMARK 3 BIN FREE R VALUE SET COUNT : 95 REMARK 3 BIN FREE R VALUE : 0.2620 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1666 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 130 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.69 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.21000 REMARK 3 B22 (A**2) : -0.13000 REMARK 3 B33 (A**2) : 1.64000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.31000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.112 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.095 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.067 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.394 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.950 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.929 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1802 ; 0.020 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 1632 ; 0.006 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2434 ; 1.814 ; 2.002 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3838 ; 1.035 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 240 ; 6.256 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 62 ;30.652 ;22.581 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 281 ;15.380 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 19 ;16.179 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 263 ; 0.138 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1984 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 331 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 387 ; 0.247 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 1635 ; 0.214 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 864 ; 0.176 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 1163 ; 0.130 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 91 ; 0.172 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 35 ; 0.343 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 55 ; 0.286 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 11 ; 0.529 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1232 ; 1.865 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1951 ; 2.954 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 570 ; 3.636 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 480 ; 5.513 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS. REMARK 4 REMARK 4 1W7Z COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 14-SEP-04. REMARK 100 THE DEPOSITION ID IS D_1290021043. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-MAY-03 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 4.60 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : BESSY REMARK 200 BEAMLINE : 14.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.900 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SADABS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 35516 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.680 REMARK 200 RESOLUTION RANGE LOW (A) : 55.130 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 4.400 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 14.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.68 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.75 REMARK 200 R MERGE FOR SHELL (I) : 0.43000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 1H9H REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.58 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2M NA-FORMATE 0.1 M NA-ACETATE PH 4.6, REMARK 280 PH 4.60 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 35.58000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 41.17000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 35.58000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 41.17000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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 300 REMARK: THE QUATERNARY STRUCTURE OF THE PROTEIN IS REMARK 300 BELIEVED TOBE HEXAMERIC. CHAINS A TO F FORM THE REMARK 300 HEXAMER, WHEREASCHAINS G AND H DO NOT OBEY ANY REMARK 300 NON-CRYSTALLOGRAPHICSYMMETRY. 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: G 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: H 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 ALA E 31 REMARK 465 ALA G 31 REMARK 465 ALA H 31 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS C 10 CD CE NZ REMARK 470 ASN C 24 CG OD1 ND2 REMARK 470 LYS E 10 CD CE NZ REMARK 470 ARG G 4 CG CD NE CZ NH1 NH2 REMARK 470 ARG H 4 CG CD NE CZ NH1 NH2 REMARK 470 PRO H 30 C O REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT 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 OE1 GLN B 11 O HOH B 2010 1.15 REMARK 500 CD GLN B 11 O HOH B 2010 1.78 REMARK 500 O GLY E 1 O HOH E 2001 1.94 REMARK 500 NE2 GLN B 11 O HOH B 2010 2.09 REMARK 500 N GLY G 1 O HOH G 2001 2.10 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 CYS B 2 CB CYS B 2 SG -0.111 REMARK 500 CYS E 2 CB CYS E 2 SG -0.158 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 GLN B 11 CB - CA - C ANGL. DEV. = 13.3 DEGREES REMARK 500 GLN B 11 CB - CA - C ANGL. DEV. = -12.3 DEGREES REMARK 500 ARG C 4 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 ARG D 4 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES 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 ARG D 4 38.33 -99.63 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH G2002 DISTANCE = 6.31 ANGSTROMS REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A1032 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 13 O REMARK 620 2 CYS A 15 O 118.4 REMARK 620 3 SER B 13 O 123.0 101.7 REMARK 620 4 CYS B 15 O 88.5 109.1 115.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA C1032 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER C 13 O REMARK 620 2 CYS C 15 O 120.1 REMARK 620 3 SER D 13 O 122.2 84.7 REMARK 620 4 CYS D 15 O 104.3 109.1 115.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA E1031 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER E 13 O REMARK 620 2 CYS E 15 O 116.5 REMARK 620 3 SER F 13 O 120.3 85.6 REMARK 620 4 CYS F 15 O 105.8 110.7 117.0 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A1032 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA C1032 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA E1031 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMT B1032 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMT D1032 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMT F1032 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1H9H RELATED DB: PDB REMARK 900 COMPLEX OF EETI-II WITH PORCINE TRYPSIN REMARK 900 RELATED ID: 1H9I RELATED DB: PDB REMARK 900 COMPLEX OF EETI-II MUTANT WITH PORCINE TRYPSIN REMARK 900 RELATED ID: 2C4B RELATED DB: PDB REMARK 900 INHIBITOR CYSTINE KNOT PROTEIN MCOEETI FUSED TO THE CATALYTICALLY REMARK 900 INACTIVE BARNASE MUTANT H102A REMARK 900 RELATED ID: 2ETI RELATED DB: PDB REMARK 900 TRYPSIN INHIBITOR II (EETI II) REMARK 900 RELATED ID: 2LET RELATED DB: PDB REMARK 900 TRYPSIN INHIBITOR II MUTANT WITH ILE 5 REPLACED BY LEU (I5L) (NMR, REMARK 900 20 STRUCTURES) DBREF 1W7Z A 1 31 UNP P12071 ITR2_ECBEL 1 31 DBREF 1W7Z B 1 31 UNP P12071 ITR2_ECBEL 1 31 DBREF 1W7Z C 1 31 UNP P12071 ITR2_ECBEL 1 31 DBREF 1W7Z D 1 31 UNP P12071 ITR2_ECBEL 1 31 DBREF 1W7Z E 1 31 UNP P12071 ITR2_ECBEL 1 31 DBREF 1W7Z F 1 31 UNP P12071 ITR2_ECBEL 1 31 DBREF 1W7Z G 1 31 UNP P12071 ITR2_ECBEL 1 31 DBREF 1W7Z H 1 31 UNP P12071 ITR2_ECBEL 1 31 SEQRES 1 A 31 GLY CYS PRO ARG ILE LEU ILE ARG CYS LYS GLN ASP SER SEQRES 2 A 31 ASP CYS LEU ALA GLY CYS VAL CYS GLY PRO ASN GLY PHE SEQRES 3 A 31 CYS GLY SER PRO ALA SEQRES 1 B 31 GLY CYS PRO ARG ILE LEU ILE ARG CYS LYS GLN ASP SER SEQRES 2 B 31 ASP CYS LEU ALA GLY CYS VAL CYS GLY PRO ASN GLY PHE SEQRES 3 B 31 CYS GLY SER PRO ALA SEQRES 1 C 31 GLY CYS PRO ARG ILE LEU ILE ARG CYS LYS GLN ASP SER SEQRES 2 C 31 ASP CYS LEU ALA GLY CYS VAL CYS GLY PRO ASN GLY PHE SEQRES 3 C 31 CYS GLY SER PRO ALA SEQRES 1 D 31 GLY CYS PRO ARG ILE LEU ILE ARG CYS LYS GLN ASP SER SEQRES 2 D 31 ASP CYS LEU ALA GLY CYS VAL CYS GLY PRO ASN GLY PHE SEQRES 3 D 31 CYS GLY SER PRO ALA SEQRES 1 E 31 GLY CYS PRO ARG ILE LEU ILE ARG CYS LYS GLN ASP SER SEQRES 2 E 31 ASP CYS LEU ALA GLY CYS VAL CYS GLY PRO ASN GLY PHE SEQRES 3 E 31 CYS GLY SER PRO ALA SEQRES 1 F 31 GLY CYS PRO ARG ILE LEU ILE ARG CYS LYS GLN ASP SER SEQRES 2 F 31 ASP CYS LEU ALA GLY CYS VAL CYS GLY PRO ASN GLY PHE SEQRES 3 F 31 CYS GLY SER PRO ALA SEQRES 1 G 31 GLY CYS PRO ARG ILE LEU ILE ARG CYS LYS GLN ASP SER SEQRES 2 G 31 ASP CYS LEU ALA GLY CYS VAL CYS GLY PRO ASN GLY PHE SEQRES 3 G 31 CYS GLY SER PRO ALA SEQRES 1 H 31 GLY CYS PRO ARG ILE LEU ILE ARG CYS LYS GLN ASP SER SEQRES 2 H 31 ASP CYS LEU ALA GLY CYS VAL CYS GLY PRO ASN GLY PHE SEQRES 3 H 31 CYS GLY SER PRO ALA HET NA A1032 1 HET FMT B1032 3 HET NA C1032 1 HET FMT D1032 3 HET NA E1031 1 HET FMT F1032 3 HETNAM NA SODIUM ION HETNAM FMT FORMIC ACID FORMUL 9 NA 3(NA 1+) FORMUL 10 FMT 3(C H2 O2) FORMUL 15 HOH *130(H2 O) HELIX 1 1 GLN A 11 CYS A 15 5 5 HELIX 2 2 GLN B 11 CYS B 15 5 5 HELIX 3 3 GLN C 11 CYS C 15 5 5 HELIX 4 4 GLN D 11 CYS D 15 5 5 HELIX 5 5 GLN E 11 CYS E 15 5 5 HELIX 6 6 GLN F 11 CYS F 15 5 5 HELIX 7 7 GLN G 11 CYS G 15 5 5 HELIX 8 8 GLN H 11 CYS H 15 5 5 SHEET 1 AA 2 VAL A 20 CYS A 21 0 SHEET 2 AA 2 CYS A 27 GLY A 28 -1 O GLY A 28 N VAL A 20 SHEET 1 BA 2 VAL B 20 CYS B 21 0 SHEET 2 BA 2 CYS B 27 GLY B 28 -1 O GLY B 28 N VAL B 20 SHEET 1 CA 2 VAL C 20 CYS C 21 0 SHEET 2 CA 2 CYS C 27 GLY C 28 -1 O GLY C 28 N VAL C 20 SHEET 1 DA 2 VAL D 20 CYS D 21 0 SHEET 2 DA 2 CYS D 27 GLY D 28 -1 O GLY D 28 N VAL D 20 SHEET 1 EA 2 VAL E 20 CYS E 21 0 SHEET 2 EA 2 CYS E 27 GLY E 28 -1 O GLY E 28 N VAL E 20 SHEET 1 FA 2 VAL F 20 CYS F 21 0 SHEET 2 FA 2 CYS F 27 GLY F 28 -1 O GLY F 28 N VAL F 20 SHEET 1 GA 2 VAL G 20 CYS G 21 0 SHEET 2 GA 2 CYS G 27 GLY G 28 -1 O GLY G 28 N VAL G 20 SHEET 1 HA 2 VAL H 20 CYS H 21 0 SHEET 2 HA 2 CYS H 27 GLY H 28 -1 O GLY H 28 N VAL H 20 SSBOND 1 CYS A 2 CYS A 19 1555 1555 2.01 SSBOND 2 CYS A 9 CYS A 21 1555 1555 2.06 SSBOND 3 CYS A 15 CYS A 27 1555 1555 2.03 SSBOND 4 CYS B 2 CYS B 19 1555 1555 1.96 SSBOND 5 CYS B 9 CYS B 21 1555 1555 2.11 SSBOND 6 CYS B 15 CYS B 27 1555 1555 2.10 SSBOND 7 CYS C 2 CYS C 19 1555 1555 1.97 SSBOND 8 CYS C 9 CYS C 21 1555 1555 2.10 SSBOND 9 CYS C 15 CYS C 27 1555 1555 2.08 SSBOND 10 CYS D 2 CYS D 19 1555 1555 2.02 SSBOND 11 CYS D 9 CYS D 21 1555 1555 2.08 SSBOND 12 CYS D 15 CYS D 27 1555 1555 2.06 SSBOND 13 CYS E 2 CYS E 19 1555 1555 2.03 SSBOND 14 CYS E 9 CYS E 21 1555 1555 2.07 SSBOND 15 CYS E 15 CYS E 27 1555 1555 2.08 SSBOND 16 CYS F 2 CYS F 19 1555 1555 1.99 SSBOND 17 CYS F 9 CYS F 21 1555 1555 2.11 SSBOND 18 CYS F 15 CYS F 27 1555 1555 2.04 SSBOND 19 CYS G 2 CYS G 19 1555 1555 2.03 SSBOND 20 CYS G 9 CYS G 21 1555 1555 2.05 SSBOND 21 CYS G 15 CYS G 27 1555 1555 1.97 SSBOND 22 CYS H 2 CYS H 19 1555 1555 2.04 SSBOND 23 CYS H 9 CYS H 21 1555 1555 2.06 SSBOND 24 CYS H 15 CYS H 27 1555 1555 2.05 LINK O SER A 13 NA NA A1032 1555 1555 2.26 LINK O CYS A 15 NA NA A1032 1555 1555 2.15 LINK NA NA A1032 O SER B 13 1555 1555 2.25 LINK NA NA A1032 O CYS B 15 1555 1555 2.14 LINK O SER C 13 NA NA C1032 1555 1555 2.15 LINK O CYS C 15 NA NA C1032 1555 1555 2.20 LINK NA NA C1032 O SER D 13 1555 1555 2.23 LINK NA NA C1032 O CYS D 15 1555 1555 2.22 LINK O SER E 13 NA NA E1031 1555 1555 2.33 LINK O CYS E 15 NA NA E1031 1555 1555 2.28 LINK NA NA E1031 O SER F 13 1555 1555 2.37 LINK NA NA E1031 O CYS F 15 1555 1555 2.03 SITE 1 AC1 5 SER A 13 CYS A 15 SER B 13 ASP B 14 SITE 2 AC1 5 CYS B 15 SITE 1 AC2 5 SER C 13 ASP C 14 CYS C 15 SER D 13 SITE 2 AC2 5 CYS D 15 SITE 1 AC3 4 SER E 13 CYS E 15 SER F 13 CYS F 15 SITE 1 AC4 3 ARG B 8 LEU F 6 ARG G 4 SITE 1 AC5 3 LEU B 6 ARG D 8 ILE G 5 SITE 1 AC6 4 ARG F 8 HOH F2019 LEU G 16 ALA G 17 CRYST1 71.160 82.340 62.930 90.00 118.80 90.00 C 1 2 1 32 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 0.014053 0.000000 0.007726 0.00000 SCALE2 0.000000 0.012145 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018134 0.00000 MTRIX1 1 0.466180 0.116750 -0.876950 15.75949 1 MTRIX2 1 0.129060 -0.989620 -0.063140 11.51061 1 MTRIX3 1 -0.875220 -0.083740 -0.476410 28.55935 1 MTRIX1 2 -0.468150 -0.070200 -0.880860 33.69431 1 MTRIX2 2 -0.125960 0.991960 -0.012110 2.21040 1 MTRIX3 2 0.874630 0.105290 -0.473200 -3.94623 1 MTRIX1 3 -0.999660 0.000890 -0.025940 35.63662 1 MTRIX2 3 -0.000090 -0.999520 -0.031110 13.93484 1 MTRIX3 3 -0.025960 -0.031100 0.999180 0.42877 1 MTRIX1 4 -0.522230 -0.106980 0.846070 20.87148 1 MTRIX2 4 0.000000 0.852740 0.077740 -1.51129 1 MTRIX3 4 -0.516521 0.991220 0.131820 27.61448 1 MTRIX1 5 0.545170 0.076130 0.834860 0.58361 1 MTRIX2 5 0.072490 -0.996420 0.043520 11.65154 1 MTRIX3 5 0.835190 0.036800 -0.548730 -2.06494 1 MTRIX1 6 -0.556470 0.392530 0.732300 16.74032 1 MTRIX2 6 -0.452870 -0.882230 0.128760 30.82043 1 MTRIX3 6 0.696600 -0.259990 0.668700 -1.78582 1 MTRIX1 7 -0.744840 -0.331400 -0.579130 39.00362 1 MTRIX2 7 -0.355530 0.931580 -0.075830 -20.38629 1 MTRIX3 7 0.564630 0.149420 -0.811700 -12.19298 1