HEADER HYDROLASE 31-OCT-13 4NFE TITLE HUMAN KALLIKREIN-RELATED PEPTIDASE 2 IN COMPLEX WITH BENZAMIDINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: KALLIKREIN-2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: GLANDULAR KALLIKREIN-1, HGK-1, TISSUE KALLIKREIN-2; COMPND 5 EC: 3.4.21.35; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: KLK2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CHYMOTRYPSIN-LIKE PROTEASE, ZINC BINDING, EXTRACELLULAR, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR W.SKALA,H.BRANDSTETTER,V.MAGDOLEN,P.GOETTIG REVDAT 3 08-NOV-23 4NFE 1 REMARK REVDAT 2 08-APR-15 4NFE 1 JRNL REVDAT 1 29-OCT-14 4NFE 0 JRNL AUTH W.SKALA,D.T.UTZSCHNEIDER,V.MAGDOLEN,M.DEBELA,S.GUO, JRNL AUTH 2 C.S.CRAIK,H.BRANDSTETTER,P.GOETTIG JRNL TITL STRUCTURE-FUNCTION ANALYSES OF HUMAN KALLIKREIN-RELATED JRNL TITL 2 PEPTIDASE 2 ESTABLISH THE 99-LOOP AS MASTER REGULATOR OF JRNL TITL 3 ACTIVITY JRNL REF J.BIOL.CHEM. V. 289 34267 2014 JRNL REFN ISSN 0021-9258 JRNL PMID 25326387 JRNL DOI 10.1074/JBC.M114.598201 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.83 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 3 NUMBER OF REFLECTIONS : 19418 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) : 0.179 REMARK 3 R VALUE (WORKING SET) : 0.177 REMARK 3 FREE R VALUE : 0.213 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 985 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.95 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1200 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.64 REMARK 3 BIN R VALUE (WORKING SET) : 0.1880 REMARK 3 BIN FREE R VALUE SET COUNT : 72 REMARK 3 BIN FREE R VALUE : 0.2750 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1754 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 33 REMARK 3 SOLVENT ATOMS : 136 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.07 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.146 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.134 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.083 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.741 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.948 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.925 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1845 ; 0.012 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2520 ; 1.473 ; 1.962 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 225 ; 6.468 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 72 ;34.306 ;23.889 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 283 ;14.865 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;19.617 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 270 ; 0.110 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1401 ; 0.008 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL 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: U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 4NFE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 06-NOV-13. REMARK 100 THE DEPOSITION ID IS D_1000083133. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-NOV-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 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 : BRUKER AXS MICROSTAR REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : MONTEL OPTICS 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 : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.20 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19455 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 45.060 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08800 REMARK 200 FOR THE DATA SET : 13.0000 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 (%) : 96.5 REMARK 200 DATA REDUNDANCY IN SHELL : 5.90 REMARK 200 R MERGE FOR SHELL (I) : 0.22400 REMARK 200 R SYM FOR SHELL (I) : 0.22400 REMARK 200 FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.3.0 REMARK 200 STARTING MODEL: PDB ENTRY 2ZCH REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.15 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.5M AMMONIUM SULFATE, 1M LITHIUM REMARK 280 SULFATE, 100MM SODIUM CITRATE, PH 7.0, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 29.82500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.84000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.19500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.84000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 29.82500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 30.19500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 LEU A 95D REMARK 465 LYS A 95E REMARK 465 HIS A 95F REMARK 465 GLN A 95G REMARK 465 SER A 95H REMARK 465 LEU A 95I REMARK 465 ARG A 95J REMARK 465 PRO A 95K REMARK 465 ASP A 96 REMARK 465 GLU A 97 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 TRP A 51 CE2 TRP A 51 CD2 0.077 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 GLN A 27 70.52 -114.02 REMARK 500 HIS A 71 -59.51 -126.03 REMARK 500 THR A 115 -162.51 -129.30 REMARK 500 GLU A 147 -70.15 -97.86 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEN A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEN A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 304 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 305 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4NFF RELATED DB: PDB DBREF 4NFE A 16 245A UNP P20151 KLK2_HUMAN 25 261 SEQRES 1 A 237 ILE VAL GLY GLY TRP GLU CYS GLU LYS HIS SER GLN PRO SEQRES 2 A 237 TRP GLN VAL ALA VAL TYR SER HIS GLY TRP ALA HIS CYS SEQRES 3 A 237 GLY GLY VAL LEU VAL HIS PRO GLN TRP VAL LEU THR ALA SEQRES 4 A 237 ALA HIS CYS LEU LYS LYS ASN SER GLN VAL TRP LEU GLY SEQRES 5 A 237 ARG HIS ASN LEU PHE GLU PRO GLU ASP THR GLY GLN ARG SEQRES 6 A 237 VAL PRO VAL SER HIS SER PHE PRO HIS PRO LEU TYR ASN SEQRES 7 A 237 MET SER LEU LEU LYS HIS GLN SER LEU ARG PRO ASP GLU SEQRES 8 A 237 ASP SER SER HIS ASP LEU MET LEU LEU ARG LEU SER GLU SEQRES 9 A 237 PRO ALA LYS ILE THR ASP VAL VAL LYS VAL LEU GLY LEU SEQRES 10 A 237 PRO THR GLN GLU PRO ALA LEU GLY THR THR CYS TYR ALA SEQRES 11 A 237 SER GLY TRP GLY SER ILE GLU PRO GLU GLU PHE LEU ARG SEQRES 12 A 237 PRO ARG SER LEU GLN CYS VAL SER LEU HIS LEU LEU SER SEQRES 13 A 237 ASN ASP MET CYS ALA ARG ALA TYR SER GLU LYS VAL THR SEQRES 14 A 237 GLU PHE MET LEU CYS ALA GLY LEU TRP THR GLY GLY LYS SEQRES 15 A 237 ASP THR CYS GLY GLY ASP SER GLY GLY PRO LEU VAL CYS SEQRES 16 A 237 ASN GLY VAL LEU GLN GLY ILE THR SER TRP GLY PRO GLU SEQRES 17 A 237 PRO CYS ALA LEU PRO GLU LYS PRO ALA VAL TYR THR LYS SEQRES 18 A 237 VAL VAL HIS TYR ARG LYS TRP ILE LYS ASP THR ILE ALA SEQRES 19 A 237 ALA ASN PRO HET BEN A 301 9 HET BEN A 302 9 HET SO4 A 303 5 HET SO4 A 304 5 HET SO4 A 305 5 HETNAM BEN BENZAMIDINE HETNAM SO4 SULFATE ION FORMUL 2 BEN 2(C7 H8 N2) FORMUL 4 SO4 3(O4 S 2-) FORMUL 7 HOH *136(H2 O) HELIX 1 1 ALA A 55 LEU A 59 5 5 HELIX 2 2 SER A 164 TYR A 172 1 9 HELIX 3 3 TYR A 234 ASN A 245 1 12 SHEET 1 A 8 TRP A 20 GLU A 21 0 SHEET 2 A 8 GLN A 156 LEU A 163 -1 O CYS A 157 N TRP A 20 SHEET 3 A 8 MET A 180 GLY A 184 -1 O GLY A 184 N HIS A 161 SHEET 4 A 8 ALA A 226 LYS A 230 -1 O TYR A 228 N LEU A 181 SHEET 5 A 8 VAL A 208 TRP A 215 -1 N TRP A 215 O VAL A 227 SHEET 6 A 8 PRO A 198 CYS A 201 -1 N LEU A 199 O GLN A 210 SHEET 7 A 8 THR A 135 GLY A 140 -1 N TYR A 137 O VAL A 200 SHEET 8 A 8 GLN A 156 LEU A 163 -1 O LEU A 160 N CYS A 136 SHEET 1 B 7 GLN A 30 SER A 35 0 SHEET 2 B 7 TRP A 39 HIS A 48 -1 O CYS A 42 N VAL A 33 SHEET 3 B 7 TRP A 51 THR A 54 -1 O LEU A 53 N VAL A 45 SHEET 4 B 7 MET A 104 LEU A 108 -1 O LEU A 106 N VAL A 52 SHEET 5 B 7 GLN A 81 PRO A 90 -1 N PHE A 89 O LEU A 105 SHEET 6 B 7 GLN A 65 LEU A 68 -1 N LEU A 68 O GLN A 81 SHEET 7 B 7 GLN A 30 SER A 35 -1 N TYR A 34 O GLN A 65 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.06 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.05 SSBOND 3 CYS A 136 CYS A 201 1555 1555 2.04 SSBOND 4 CYS A 168 CYS A 182 1555 1555 2.05 SSBOND 5 CYS A 191 CYS A 220 1555 1555 2.07 CISPEP 1 GLU A 218 PRO A 219 0 -3.55 SITE 1 AC1 10 ASP A 189 THR A 190 GLY A 192 SER A 195 SITE 2 AC1 10 GLY A 216 PRO A 217 GLU A 218 CYS A 220 SITE 3 AC1 10 ALA A 226 SO4 A 303 SITE 1 AC2 10 TRP A 20 CYS A 22 GLU A 23 HIS A 101 SITE 2 AC2 10 TYR A 137 PHE A 179 HIS A 233 TYR A 234 SITE 3 AC2 10 HOH A 433 HOH A 513 SITE 1 AC3 9 HIS A 57 ARG A 170 GLY A 192 GLY A 193 SITE 2 AC3 9 SER A 195 BEN A 301 HOH A 450 HOH A 460 SITE 3 AC3 9 HOH A 534 SITE 1 AC4 3 TRP A 20 GLU A 21 LYS A 236 SITE 1 AC5 2 LYS A 60 LYS A 61 CRYST1 59.650 60.390 67.680 90.00 90.00 90.00 P 21 21 21 4 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 0.016764 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016559 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014775 0.00000