HEADER HYDROLASE/INHIBITOR 12-MAR-01 1H9I TITLE COMPLEX OF EETI-II MUTANT WITH PORCINE TRYPSIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPSIN; COMPND 3 CHAIN: E; COMPND 4 EC: 3.4.21.4; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: TRYPSIN INHIBITOR II; COMPND 7 CHAIN: I; COMPND 8 SYNONYM: EETI-II; COMPND 9 ENGINEERED: YES; COMPND 10 MUTATION: YES; COMPND 11 OTHER_DETAILS: C-TERMINAL TAG OF 6 HISTIDINES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SUS SCROFA; SOURCE 3 ORGANISM_COMMON: PIG; SOURCE 4 ORGANISM_TAXID: 9823; SOURCE 5 ORGAN: PANCREAS; SOURCE 6 SECRETION: SALIVA; SOURCE 7 OTHER_DETAILS: SIGMA; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 ORGANISM_SCIENTIFIC: ECBALLIUM ELATERIUM; SOURCE 11 ORGANISM_COMMON: SQUIRTING CUCUMBER; SOURCE 12 ORGANISM_TAXID: 3679 KEYWDS HYDROLASE/INHIBITOR, COMPLEX (SERINE PROTEASE-INHIBITOR), TRYPSIN, KEYWDS 2 SQUASH INHIBITOR, CYSTINE KNOT, HYDROLASE-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR R.KRAETZNER,A.WENTZEL,H.KOLMAR,I.USON REVDAT 6 16-OCT-24 1H9I 1 REMARK REVDAT 5 13-DEC-23 1H9I 1 SHEET LINK REVDAT 4 22-MAY-19 1H9I 1 REMARK REVDAT 3 04-APR-18 1H9I 1 REMARK REVDAT 2 24-FEB-09 1H9I 1 VERSN REVDAT 1 26-JUL-04 1H9I 0 JRNL AUTH R.KRAETZNER,J.E.DEBRECZENI,T.PAPE,T.R.SCHNEIDER,A.WENTZEL, JRNL AUTH 2 H.KOLMAR,G.M.SHELDRICK,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 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.WENTZEL,A.CHRISTMANN,R.KRAETZNER,H.KOLMAR REMARK 1 TITL SEQUENCE REQUIREMENTS OF THE GPNG BETA-TURN OF THE ECBALLIUM REMARK 1 TITL 2 ELATERIUM TRYPSIN INHIBITOR II EXPLORED BY COMBINATORIAL REMARK 1 TITL 3 LIBRARY SCREENING REMARK 1 REF J.BIOL.CHEM. V. 274 21037 1999 REMARK 1 REFN ISSN 0021-9258 REMARK 1 PMID 10409654 REMARK 1 DOI 10.1074/JBC.274.30.21037 REMARK 1 REFERENCE 2 REMARK 1 AUTH A.HEITZ,D.LE-NGUYEN,L.CHICHE REMARK 1 TITL MIN-21 AND MIN-23, THE SMALLEST PEPTIDES THAT FOLD LIKE A REMARK 1 TITL 2 CYSTINE-STABILIZED BETA-SHEET MOTIF: DESIGN, SOLUTION REMARK 1 TITL 3 STRUCTURE, AND THERMAL STABILITY REMARK 1 REF BIOCHEMISTRY V. 38 10615 1999 REMARK 1 REFN ISSN 0006-2960 REMARK 1 PMID 10441159 REMARK 1 DOI 10.1021/BI990821K REMARK 1 REFERENCE 3 REMARK 1 AUTH L.CHICHE,C.GABORIAUD,A.HEITZ,J.P.MORNON,B.CASTRO,P.A.KOLLMAN REMARK 1 TITL USE OF RESTRAINED MOLECULAR DYNAMICS IN WATER TO DETERMINE REMARK 1 TITL 2 THREE-DIMENSIONAL PROTEIN STRUCTURE: PREDICTION OF THE REMARK 1 TITL 3 THREE-DIMENSIONAL STRUCTURE OF ECBALLIUM ELATERIUM TRYPSIN REMARK 1 TITL 4 INHIBITOR II REMARK 1 REF PROTEINS: STRUCT.,FUNCT., V. 6 405 1989 REMARK 1 REF 2 GENET. REMARK 1 REFN ISSN 0887-3585 REMARK 1 PMID 2622910 REMARK 1 DOI 10.1002/PROT.340060407 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.142 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.142 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.176 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1287 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 25902 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.136 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.136 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.171 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 1216 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 24158 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1833 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 135 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 1958.0 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 1741.0 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 13 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 8079 REMARK 3 NUMBER OF RESTRAINTS : 7813 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 ANGLE DISTANCES (A) : 0.026 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.028 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.041 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.050 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.018 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.070 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-2 REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1H9I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 12-MAR-01. REMARK 100 THE DEPOSITION ID IS D_1290005944. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-MAR-00 REMARK 200 TEMPERATURE (KELVIN) : 298.0 REMARK 200 PH : 6.70 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : MACSCIENCE M18X REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54187 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : OSMIC MIRROR SYSTEM REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26024 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : 0.06830 REMARK 200 R SYM (I) : 0.04050 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 17.8400 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.9 REMARK 200 DATA REDUNDANCY IN SHELL : 6.31 REMARK 200 R MERGE FOR SHELL (I) : 0.21710 REMARK 200 R SYM FOR SHELL (I) : 0.10310 REMARK 200 <I/SIGMA(I)> FOR SHELL : 8.890 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: EPMR REMARK 200 STARTING MODEL: PDB ENTRY 1LDT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.99 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.70 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 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 -Y,X,Z REMARK 290 4555 Y,-X,Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -Y+1/2,X+1/2,Z+1/2 REMARK 290 8555 Y+1/2,-X+1/2,Z+1/2 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 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 69.93100 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 69.93100 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 16.83350 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 69.93100 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 69.93100 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 16.83350 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 69.93100 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 69.93100 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 16.83350 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 69.93100 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 69.93100 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 16.83350 REMARK 290 REMARK 290 REMARK: NULL 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, I 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 CHAIN I ENGINEERED MUTATIONS MET 7 ILE,GLY 22 THR,PRO 23 ASN REMARK 400 AND GLY 25 LYS 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 HIS I 31 REMARK 465 HIS I 32 REMARK 465 HIS I 33 REMARK 465 HIS I 34 REMARK 465 HIS I 35 REMARK 465 HIS I 36 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 ARG E 62 CZ NH1 NH2 REMARK 470 LYS E 145 CE NZ REMARK 470 SER E 147 OG REMARK 470 LYS E 222 CE NZ REMARK 470 ARG I 8 NE CZ NH1 NH2 REMARK 470 LYS I 10 CG CD CE NZ REMARK 470 ASN I 23 CG OD1 ND2 REMARK 470 ASN I 24 CG OD1 ND2 REMARK 470 LYS I 25 CG CD CE NZ 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 TYR E 59 CB - CG - CD2 ANGL. DEV. = 4.4 DEGREES REMARK 500 TYR E 59 CB - CG - CD1 ANGL. DEV. = -4.1 DEGREES REMARK 500 ARG E 117 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 ARG I 4 NE - CZ - NH1 ANGL. DEV. = 3.1 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 HIS E 71 -64.59 -133.03 REMARK 500 SER E 214 -67.95 -125.14 REMARK 500 ARG I 4 35.08 -97.97 REMARK 500 REMARK 500 REMARK: NULL 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 CA E1246 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU E 70 OE1 REMARK 620 2 ASN E 72 O 86.1 REMARK 620 3 VAL E 75 O 163.9 79.8 REMARK 620 4 GLU E 80 OE2 99.0 170.4 96.1 REMARK 620 5 HOH E2031 O 83.8 93.0 89.1 95.7 REMARK 620 6 HOH E2039 O 93.9 92.1 94.4 79.5 174.3 REMARK 620 N 1 2 3 4 5 REMARK 700 REMARK 700 SHEET REMARK 700 DETERMINATION METHOD: DSSP REMARK 700 THE SHEETS PRESENTED AS "B" IN EACH CHAIN ON SHEET RECORDS REMARK 700 BELOW IS ACTUALLY AN 6-STRANDED BARREL THIS IS REPRESENTED BY REMARK 700 A 7-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS REMARK 700 ARE IDENTICAL. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA E1246 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1AKS RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE FIRST ACTIVE AUTOLYSATE FORM OF THE REMARK 900 PORCINE ALPHA TRYPSIN REMARK 900 RELATED ID: 1AN1 RELATED DB: PDB REMARK 900 LEECH-DERIVED TRYPTASE INHIBITOR/TRYPSIN COMPLEX REMARK 900 RELATED ID: 1AVW RELATED DB: PDB REMARK 900 COMPLEX PORCINE PANCREATIC TRYPSIN/SOYBEAN TRYPSIN INHIBITOR, REMARK 900 ORTHORHOMBIC CRYSTAL FORM REMARK 900 RELATED ID: 1AVX RELATED DB: PDB REMARK 900 COMPLEX PORCINE PANCREATIC TRYPSIN/SOYBEAN TRYPSIN INHIBITOR, REMARK 900 TETRAGONAL CRYSTAL FORM REMARK 900 RELATED ID: 1C9P RELATED DB: PDB REMARK 900 COMPLEX OF BDELLASTASIN WITH PORCINE TRYPSIN REMARK 900 RELATED ID: 1EJA RELATED DB: PDB REMARK 900 STRUCTURE OF PORCINE TRYPSIN COMPLEXED WITH BDELLASTASIN, AN REMARK 900 ANTISTASIN-TYPE INHIBITOR REMARK 900 RELATED ID: 1EPT RELATED DB: PDB REMARK 900 PORCINE E-TRYPSIN REMARK 900 RELATED ID: 1EWU RELATED DB: PDB REMARK 900 KNOWLEDGE BASED MODEL OF A SERINE PROTEASE INHIBITOR REMARK 900 OFCUCURBITACEAE FAMILY (THEORETICAL MODEL) BOUND TO TRYPSIN. REMARK 900 RELATED ID: 1FMG RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF PORCINE BETA TRYPSIN WITH 0.04%POLYDOCANOL REMARK 900 RELATED ID: 1FN6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF PORCINE BETA TRYPSIN WITH 0.1%POLYDOCANOL REMARK 900 RELATED ID: 1FNI RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF PORCINE BETA TRYPSIN WITH 0.01%POLYDOCANOL REMARK 900 RELATED ID: 1H9H RELATED DB: PDB REMARK 900 COMPLEX OF EETI-II WITH PORCINE TRYPSIN REMARK 900 RELATED ID: 1LDT RELATED DB: PDB REMARK 900 COMPLEX OF LEECH-DERIVED TRYPTASE INHIBITOR WITH PORCINE TRYPSIN REMARK 900 RELATED ID: 1MCT RELATED DB: PDB REMARK 900 TRYPSIN COMPLEXED WITH INHIBITOR FROM BITTER GOURD REMARK 900 RELATED ID: 1QQU RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF PORCINE BETA TRYPSIN WITH BOUND ACETATE ION REMARK 900 RELATED ID: 1TFX RELATED DB: PDB REMARK 900 COMPLEX OF THE SECOND KUNITZ DOMAIN OF TISSUE FACTOR PATHWAY REMARK 900 INHIBITOR WITH PORCINE TRYPSIN 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 1H9I E 16 245 UNP P00761 TRYP_PIG 9 231 DBREF 1H9I I 1 30 UNP P12071 ITR2_ECBEL 1 30 DBREF 1H9I I 31 36 PDB 1H9I 1H9I 31 36 SEQADV 1H9I THR I 22 UNP P12071 GLY 22 ENGINEERED MUTATION SEQADV 1H9I ASN I 23 UNP P12071 PRO 23 ENGINEERED MUTATION SEQADV 1H9I LYS I 25 UNP P12071 GLY 25 ENGINEERED MUTATION SEQADV 1H9I ILE I 7 UNP P12071 MET 7 ENGINEERED MUTATION SEQRES 1 E 223 ILE VAL GLY GLY TYR THR CYS ALA ALA ASN SER ILE PRO SEQRES 2 E 223 TYR GLN VAL SER LEU ASN SER GLY SER HIS PHE CYS GLY SEQRES 3 E 223 GLY SER LEU ILE ASN SER GLN TRP VAL VAL SER ALA ALA SEQRES 4 E 223 HIS CYS TYR LYS SER ARG ILE GLN VAL ARG LEU GLY GLU SEQRES 5 E 223 HIS ASN ILE ASP VAL LEU GLU GLY ASN GLU GLN PHE ILE SEQRES 6 E 223 ASN ALA ALA LYS ILE ILE THR HIS PRO ASN PHE ASN GLY SEQRES 7 E 223 ASN THR LEU ASP ASN ASP ILE MET LEU ILE LYS LEU SER SEQRES 8 E 223 SER PRO ALA THR LEU ASN SER ARG VAL ALA THR VAL SER SEQRES 9 E 223 LEU PRO ARG SER CYS ALA ALA ALA GLY THR GLU CYS LEU SEQRES 10 E 223 ILE SER GLY TRP GLY ASN THR LYS SER SER GLY SER SER SEQRES 11 E 223 TYR PRO SER LEU LEU GLN CYS LEU LYS ALA PRO VAL LEU SEQRES 12 E 223 SER ASP SER SER CYS LYS SER SER TYR PRO GLY GLN ILE SEQRES 13 E 223 THR GLY ASN MET ILE CYS VAL GLY PHE LEU GLU GLY GLY SEQRES 14 E 223 LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL SEQRES 15 E 223 CYS ASN GLY GLN LEU GLN GLY ILE VAL SER TRP GLY TYR SEQRES 16 E 223 GLY CYS ALA GLN LYS ASN LYS PRO GLY VAL TYR THR LYS SEQRES 17 E 223 VAL CYS ASN TYR VAL ASN TRP ILE GLN GLN THR ILE ALA SEQRES 18 E 223 ALA ASN SEQRES 1 I 36 GLY CYS PRO ARG ILE LEU ILE ARG CYS LYS GLN ASP SER SEQRES 2 I 36 ASP CYS LEU ALA GLY CYS VAL CYS THR ASN ASN LYS PHE SEQRES 3 I 36 CYS GLY SER PRO HIS HIS HIS HIS HIS HIS HET CA E1246 1 HETNAM CA CALCIUM ION FORMUL 3 CA CA 2+ FORMUL 4 HOH *135(H2 O) HELIX 1 1 ALA E 55 TYR E 59 5 5 HELIX 2 2 SER E 164 TYR E 172 1 9 HELIX 3 3 TYR E 234 ALA E 244 1 11 HELIX 4 4 GLN I 11 CYS I 15 5 5 SHEET 1 EA 7 TYR E 20 THR E 21 0 SHEET 2 EA 7 GLN E 156 PRO E 161 -1 O CYS E 157 N TYR E 20 SHEET 3 EA 7 GLU E 135 GLY E 140 -1 O CYS E 136 N ALA E 160 SHEET 4 EA 7 PRO E 198 CYS E 201 -1 O PRO E 198 N SER E 139 SHEET 5 EA 7 GLN E 204 GLY E 216 -1 O GLN E 204 N CYS E 201 SHEET 6 EA 7 GLY E 226 LYS E 230 -1 O VAL E 227 N TRP E 215 SHEET 7 EA 7 MET E 180 VAL E 183 -1 O ILE E 181 N TYR E 228 SHEET 1 EB 5 TYR E 20 THR E 21 0 SHEET 2 EB 5 GLN E 156 PRO E 161 -1 O CYS E 157 N TYR E 20 SHEET 3 EB 5 GLU E 135 GLY E 140 -1 O CYS E 136 N ALA E 160 SHEET 4 EB 5 PRO E 198 CYS E 201 -1 O PRO E 198 N SER E 139 SHEET 5 EB 5 GLN E 204 GLY E 216 -1 O GLN E 204 N CYS E 201 SHEET 1 IB 1 CYS I 2 PRO I 3 0 SHEET 1 EC 7 GLN E 30 ASN E 34 0 SHEET 2 EC 7 HIS E 40 ASN E 48 -1 N PHE E 41 O LEU E 33 SHEET 3 EC 7 TRP E 51 SER E 54 -1 O TRP E 51 N ILE E 47 SHEET 4 EC 7 MET E 104 LEU E 108 -1 O MET E 104 N SER E 54 SHEET 5 EC 7 GLN E 81 THR E 90 -1 N ALA E 86 O LYS E 107 SHEET 6 EC 7 GLN E 64 LEU E 67 -1 O VAL E 65 N ILE E 83 SHEET 7 EC 7 GLN E 30 ASN E 34 -1 O SER E 32 N ARG E 66 SHEET 1 IA 2 VAL I 20 CYS I 21 0 SHEET 2 IA 2 CYS I 27 GLY I 28 -1 O GLY I 28 N VAL I 20 SSBOND 1 CYS E 22 CYS E 157 1555 1555 2.01 SSBOND 2 CYS E 42 CYS E 58 1555 1555 2.01 SSBOND 3 CYS E 128 CYS E 232 1555 1555 2.06 SSBOND 4 CYS E 136 CYS E 201 1555 1555 2.00 SSBOND 5 CYS E 168 CYS E 182 1555 1555 1.99 SSBOND 6 CYS E 191 CYS E 220 1555 1555 2.04 SSBOND 7 CYS I 2 CYS I 19 1555 1555 2.00 SSBOND 8 CYS I 9 CYS I 21 1555 1555 2.04 SSBOND 9 CYS I 15 CYS I 27 1555 1555 2.03 LINK OE1 GLU E 70 CA CA E1246 1555 1555 2.35 LINK O ASN E 72 CA CA E1246 1555 1555 2.34 LINK O VAL E 75 CA CA E1246 1555 1555 2.44 LINK OE2 GLU E 80 CA CA E1246 1555 1555 2.43 LINK CA CA E1246 O HOH E2031 1555 1555 2.50 LINK CA CA E1246 O HOH E2039 1555 1555 2.68 SITE 1 AC1 6 GLU E 70 ASN E 72 VAL E 75 GLU E 80 SITE 2 AC1 6 HOH E2031 HOH E2039 CRYST1 139.862 139.862 33.667 90.00 90.00 90.00 I 4 8 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 0.007150 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007150 0.000000 0.00000 SCALE3 0.000000 0.000000 0.029703 0.00000