PDB Short entry for 1QLQ HEADER SERINE PROTEASE INHIBITOR 10-SEP-99 1QLQ TITLE BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI) MUTANT WITH ALTERED BINDING TITLE 2 LOOP SEQUENCE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PANCREATIC TRYPSIN INHIBITOR; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BPTI, APROTININ, TRASYLOL, BASIC PROTEASE INHIBITOR; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: BOVINE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 ORGAN: PANCREAS; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VARIANT: T7 KEYWDS SERINE PROTEASE INHIBITOR EXPDTA X-RAY DIFFRACTION AUTHOR H.CZAPINSKA,S.KRZYWDA,G.M.SHELDRICK,J.OTLEWSKI,M.JASKOLSKI REVDAT 9 13-DEC-23 1QLQ 1 REMARK REVDAT 8 22-MAY-19 1QLQ 1 REMARK REVDAT 7 15-MAY-19 1QLQ 1 REMARK REVDAT 6 08-MAY-19 1QLQ 1 REMARK REVDAT 5 06-JUN-18 1QLQ 1 TITLE REVDAT 4 24-FEB-09 1QLQ 1 VERSN REVDAT 3 05-APR-05 1QLQ 1 COMPND ANISOU REVDAT 2 03-FEB-00 1QLQ 1 JRNL REVDAT 1 05-OCT-99 1QLQ 0 JRNL AUTH H.CZAPINSKA,J.OTLEWSKI,S.KRZYWDA,G.M.SHELDRICK,M.JASKOLSKI JRNL TITL HIGH RESOLUTION STRUCTURE OF BOVINE PANCREATIC TRYPSIN JRNL TITL 2 INHIBITOR WITH ALTERED BINDING LOOP SEQUENCE JRNL REF J.MOL.BIOL. V. 295 1237 1999 JRNL REFN ISSN 0022-2836 JRNL PMID 10653700 JRNL DOI 10.1006/JMBI.1999.3445 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.PARKIN,B.RUPP,H.HOPE REMARK 1 TITL STRUCTURE OF BOVINE PANCREATIC TRYPSIN INHIBITOR AT 125 K: REMARK 1 TITL 2 DEFINITION OF CARBOXYL-TERMINAL RESIDUES GLY57 AND ALA58 REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 52 19 1996 REMARK 1 REFN ISSN 0907-4449 REMARK 1 PMID 15299722 REMARK 1 DOI 10.1107/S0907444995008675 REMARK 1 REFERENCE 2 REMARK 1 AUTH K.BERNDT,P.GUENTERT,L.P.ORBONS,K.WUETHRICH REMARK 1 TITL DETERMINATION OF A HIGH QUALITY NUCLEAR MAGNETIC RESONANCE REMARK 1 TITL 2 SOLUTION STRUCTURE OF THE BOVINE PANCREATIC TRYPSIN REMARK 1 TITL 3 INHIBITOR AND COMPARISON WITH THREE CRYSTAL STRUCTURES REMARK 1 REF J.MOL.BIOL. V. 227 757 1992 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 1383552 REMARK 1 DOI 10.1016/0022-2836(92)90222-6 REMARK 1 REFERENCE 3 REMARK 1 AUTH A.WLODAWER,J.WALTER,R.HUBER,L.SJOLIN REMARK 1 TITL STRUCTURE OF BOVINE PANCREATIC TRYPSIN INHIBITOR . RESULTS REMARK 1 TITL 2 OF JOINT NEUTRON AND X-RAY REFINEMENT OF CRYSTAL FORM II REMARK 1 REF J.MOL.BIOL. V. 180 301 1984 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 6210373 REMARK 1 DOI 10.1016/S0022-2836(84)80006-6 REMARK 1 REFERENCE 4 REMARK 1 AUTH J.DEISENHOFER,W.STEIGEMANN REMARK 1 TITL CRYSTALLOGRAPHIC REFINEMENT OF THE STRUCTURE OF BOVINE REMARK 1 TITL 2 PANCREATIC TRYPSIN INHIBITOR AT 1.5 A RESOLUTION REMARK 1 REF ACTA CRYSTALLOGR.,SECT.B V. 31 238 1975 REMARK 1 REFN ISSN 0108-7681 REMARK 2 REMARK 2 RESOLUTION. 1.42 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) : 1.42 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 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) : 0.110 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.109 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.161 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 8.500 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1009 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 11846 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.107 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.105 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.155 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 8.500 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 923 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 10836 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 452 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 18 REMARK 3 SOLVENT ATOMS : 98 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 544.50 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 429.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 4 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 5297 REMARK 3 NUMBER OF RESTRAINTS : 5730 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.014 REMARK 3 ANGLE DISTANCES (A) : 0.032 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) : 0.062 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.072 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.020 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.004 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.041 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT. THE COMPLETE C REMARK 3 -TERMINUS IS VISIBLE. IT FORMS A SALT-BRIDGE WITH THE N- REMARK 3 TERMINUS. THE CYS14-CYS38 DISULFIDE BRIDGE IS OBSERVED IN TWO REMARK 3 DISTINCT CHIRALITIES (63 % RIGHT-HANDED, 37 % LEFT-HANDED). ONE REMARK 3 TWO-FOLD SYMMETRIC AND THREE GENERAL-POSITION SULFATE ANIONS ARE REMARK 3 PRESENT PER ONE PROTEIN MOLECULE. REMARK 4 REMARK 4 1QLQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-SEP-99. REMARK 100 THE DEPOSITION ID IS D_1290002797. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JAN-99 REMARK 200 TEMPERATURE (KELVIN) : 290.0 REMARK 200 PH : 7.50 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 : SIEMENS SRA2 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : NULL 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 : 11934 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.420 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 19.30 REMARK 200 R MERGE (I) : 0.05900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 50.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.42 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.47 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.00 REMARK 200 R MERGE FOR SHELL (I) : 0.32600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 5.144 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: SHELXL-97 REMARK 200 STARTING MODEL: 1BPI 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): 2.36 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: A PROTEIN SAMPLE, LYOPHILIZED AFTER REMARK 280 HPLC PURIFICATION FROM TFA/ACETONITRILE MIXTURE, WAS DISSOLVED REMARK 280 IN WATER TO A CONCENTRATION OF 9 MG/ML. 2 UL DROPS OF THE REMARK 280 PROTEIN SOLUTION WERE MIXED WITH 2 UL OF RESERVOIR SOLUTION REMARK 280 CONTAINING 2% PEG 400, 2 M AMMONIUM SULFATE AND 0.1 M NA HEPES, REMARK 280 PH 7.5. THE HANGING DROPLETS WERE EQUILIBRATED AT 19 DEG C REMARK 280 THROUGH THE GAS PHASE WITH THE RESERVOIR. PRISMATIC CRYSTALS REMARK 280 MEASURING UP TO 0.4 MM GREW WITHIN 12 HOURS., PH 7.50, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 292K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 21.70500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 26.35500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 26.35500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 32.55750 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 26.35500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 26.35500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 10.85250 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 26.35500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 26.35500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 32.55750 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 26.35500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 26.35500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 10.85250 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 21.70500 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 300 REMARK: THE ASYMMETRIC UNIT CONTAINS THE MONOMERIC REMARK 300 MOLECULE.AN EXTRA WATER MOLECULE IS BURIED IN AN REMARK 300 INTERNAL CLEFT.IN THE CRYSTAL THE ARG17-ILE18- REMARK 300 ILE19 SEGMENTS OF THE PROTEINMOLECULES RELATED BY REMARK 300 THE (Y, X, -Z) TWO-FOLD ROTATION FORMAN REMARK 300 INTERMOLECULAR ANTIPARALLEL B-SHEET.A DIFFERENT REMARK 300 INTERMOLECULAR ANTIPARALLEL B-SHEET IS FOUNDIN THE REMARK 300 CRYSTAL FOR THE BPTI 8PTI WHERE IN SPACE GROUPP REMARK 300 42 21 2, STRAND 31 TO 35 IS INVOLVED IN A REMARK 300 CRYSTAL PACKINGDIMER. FOR THE BPTI STRUCTURES REMARK 300 6PTI AND 1NAG THE LOOP39 TO 42 IS INVOLVED IN REMARK 300 A DIFFERENT TIGHT CRYSTALPACKING, SPACE GROUP P REMARK 300 21 21 2, WHILE A DECAMER IS OBSERVEDFOR THE REMARK 300 BPTI IN ENTRIES 1B0C AND 1BZ5. 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 S SO4 A 64 LIES ON A SPECIAL POSITION. REMARK 375 HOH A2079 LIES ON A SPECIAL POSITION. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 S SO4 A 64 O1 SO4 A 64 8666 1.47 REMARK 500 S SO4 A 64 O2 SO4 A 64 8666 1.51 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 ARG A 1 CD - NE - CZ ANGL. DEV. = 9.0 DEGREES REMARK 500 ARG A 1 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 ARG A 17 NE - CZ - NH1 ANGL. DEV. = -3.4 DEGREES REMARK 500 ARG A 17 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 ARG A 39 CD - NE - CZ ANGL. DEV. = 25.1 DEGREES REMARK 500 ARG A 42 NE - CZ - NH2 ANGL. DEV. = 4.4 DEGREES REMARK 500 ARG A 53 CD - NE - CZ ANGL. DEV. = 9.0 DEGREES REMARK 500 ARG A 53 NE - CZ - NH2 ANGL. DEV. = -4.2 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 ASN A 44 106.96 -161.11 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 A2016 DISTANCE = 6.17 ANGSTROMS REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 SO4 A 64 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 61 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 62 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 63 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 64 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4PTI RELATED DB: PDB REMARK 900 TRYPSIN INHIBITOR REMARK 900 RELATED ID: 5PTI RELATED DB: PDB REMARK 900 TRYPSIN INHIBITOR (CRYSTAL FORM II) REMARK 900 RELATED ID: 6PTI RELATED DB: PDB REMARK 900 BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI, CRYSTAL FORM III) REMARK 900 RELATED ID: 7PTI RELATED DB: PDB REMARK 900 BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI) MUTANT (CYS 30 REPLACED REMARK 900 BY ALA, CYS 51 REPLACED BY ALA) REMARK 900 RELATED ID: 8PTI RELATED DB: PDB REMARK 900 BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI) MUTANT (TYR 35 REPLACED REMARK 900 BY GLY) REMARK 900 RELATED ID: 9PTI RELATED DB: PDB REMARK 900 BASIC PANCREATIC TRYPSIN INHIBITOR (MET 52 OXIDIZED) REMARK 900 RELATED ID: 1AAL RELATED DB: PDB REMARK 900 BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI, BASIC) MUTANT WITH CYS REMARK 900 30 REPLACED BY VAL AND CYS 51 REPLACED BY ALA REMARK 900 RELATED ID: 1BPT RELATED DB: PDB REMARK 900 BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI) MUTANT (TYR 23 REPLACED REMARK 900 BY ALA) REMARK 900 RELATED ID: 1BTI RELATED DB: PDB REMARK 900 BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI) MUTANT WITH PHE 22 REMARK 900 REPLACED BY ALA REMARK 900 RELATED ID: 1FAN RELATED DB: PDB REMARK 900 BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI) MUTANT WITH PHE 45 REMARK 900 REPLACED BY ALA REMARK 900 RELATED ID: 1NAG RELATED DB: PDB REMARK 900 BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI) MUTANT WITH ASN 43 REMARK 900 REPLACED BY GLY REMARK 900 RELATED ID: 1PIT RELATED DB: PDB REMARK 900 TRYPSIN INHIBITOR (NMR, 20 STRUCTURES) REMARK 900 RELATED ID: 1BPI RELATED DB: PDB REMARK 900 BOVINE PANCREATIC TRYPSIN INHIBITOR (BPTI) (CRYSTAL FORM II) REMARK 900 RELATED ID: 1B0C RELATED DB: PDB REMARK 900 EVIDENCE OF A COMMON DECAMER IN THREE CRYSTAL STRUCTURES OF BPTI, REMARK 900 CRYSTALLIZED FROM THIOCYANATE, CHLORIDE OR SULFATE REMARK 900 RELATED ID: 1BZ5 RELATED DB: PDB REMARK 900 EVIDENCE OF A COMMON DECAMER IN THREE CRYSTAL STRUCTURES OF BPTI, REMARK 900 CRYSTALLIZE FROM THIOCYANTE, CHLORIDE OR SULFATE OTHER PDB ENTRIES REMARK 900 RELATED TO PANCREATIC TRYPSIN INHIBITOR ARE THE ENZYME/INHIBITOR REMARK 900 COMPLEXES: 1TPA, 2PTC, 2TGP, 2TPI, 3TPI, 4TPI, 2KAI, 1BRB, 1MTN, REMARK 900 1BTH, 1CBW, 3TGI, 3TGJ DBREF 1QLQ A 1 58 UNP P00974 BPT1_BOVIN 36 93 SEQADV 1QLQ ALA A 11 UNP P00974 THR 46 ENGINEERED MUTATION SEQADV 1QLQ ALA A 13 UNP P00974 PRO 48 ENGINEERED MUTATION SEQADV 1QLQ ARG A 15 UNP P00974 LYS 50 ENGINEERED MUTATION SEQADV 1QLQ LEU A 52 UNP P00974 MET 87 ENGINEERED MUTATION SEQRES 1 A 58 ARG PRO ASP PHE CYS LEU GLU PRO PRO TYR ALA GLY ALA SEQRES 2 A 58 CYS ARG ALA ARG ILE ILE ARG TYR PHE TYR ASN ALA LYS SEQRES 3 A 58 ALA GLY LEU CYS GLN THR PHE VAL TYR GLY GLY CYS ARG SEQRES 4 A 58 ALA LYS ARG ASN ASN PHE LYS SER ALA GLU ASP CYS LEU SEQRES 5 A 58 ARG THR CYS GLY GLY ALA HET SO4 A 61 5 HET SO4 A 62 5 HET SO4 A 63 5 HET SO4 A 64 3 HETNAM SO4 SULFATE ION FORMUL 2 SO4 4(O4 S 2-) FORMUL 6 HOH *98(H2 O) HELIX 1 1 PRO A 2 GLU A 7 5 6 HELIX 2 2 SER A 47 GLY A 56 1 10 SHEET 1 A 2 ILE A 18 ASN A 24 0 SHEET 2 A 2 LEU A 29 TYR A 35 -1 N TYR A 35 O ILE A 18 SSBOND 1 CYS A 5 CYS A 55 1555 1555 2.03 SSBOND 2 CYS A 14 CYS A 38 1555 1555 1.97 SSBOND 3 CYS A 30 CYS A 51 1555 1555 2.00 SITE 1 AC1 5 GLU A 7 ARG A 42 HOH A2089 HOH A2091 SITE 2 AC1 5 HOH A2092 SITE 1 AC2 7 ARG A 20 TYR A 35 ALA A 40 ARG A 53 SITE 2 AC2 7 HOH A2093 HOH A2094 HOH A2095 SITE 1 AC3 6 ARG A 1 PRO A 2 ARG A 42 ALA A 58 SITE 2 AC3 6 HOH A2096 HOH A2097 SITE 1 AC4 3 CYS A 14 ARG A 15 LYS A 46 CRYST1 52.710 52.710 43.410 90.00 90.00 90.00 P 43 21 2 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 0.018972 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018972 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023036 0.00000