HEADER HYDROLASE 23-OCT-00 1G3B TITLE BOVINE BETA-TRYPSIN BOUND TO META-AMIDINO SCHIFF BASE MAGNESIUM(II) TITLE 2 CHELATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: MATURE ENZYME; COMPND 5 EC: 3.4.21.4 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 SECRETION: PANCREAS KEYWDS ENZYME-INHIBITOR COMPLEX, COORDINATION METAL BASED INHIBITOR, KEYWDS 2 HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR E.TOYOTA,K.K.S.NG,H.SEKIZAKI,K.ITOH,K.TANIZAWA,M.N.G.JAMES REVDAT 5 09-AUG-23 1G3B 1 REMARK LINK REVDAT 4 04-APR-18 1G3B 1 REMARK REVDAT 3 24-FEB-09 1G3B 1 VERSN REVDAT 2 01-APR-03 1G3B 1 JRNL REVDAT 1 17-JAN-01 1G3B 0 JRNL AUTH E.TOYOTA,K.K.NG,H.SEKIZAKI,K.ITOH,K.TANIZAWA,M.N.JAMES JRNL TITL X-RAY CRYSTALLOGRAPHIC ANALYSES OF COMPLEXES BETWEEN BOVINE JRNL TITL 2 BETA-TRYPSIN AND SCHIFF BASE COPPER(II) OR IRON(III) JRNL TITL 3 CHELATES. JRNL REF J.MOL.BIOL. V. 305 471 2001 JRNL REFN ISSN 0022-2836 JRNL PMID 11152605 JRNL DOI 10.1006/JMBI.2000.4303 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.35 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 233278.910 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.9 REMARK 3 NUMBER OF REFLECTIONS : 25810 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 SET) : 0.173 REMARK 3 FREE R VALUE : 0.193 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.800 REMARK 3 FREE R VALUE TEST SET COUNT : 2542 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.91 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3695 REMARK 3 BIN R VALUE (WORKING SET) : 0.2310 REMARK 3 BIN FREE R VALUE : 0.2530 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 386 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.013 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1629 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 24 REMARK 3 SOLVENT ATOMS : 170 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.51000 REMARK 3 B22 (A**2) : 1.15000 REMARK 3 B33 (A**2) : -0.64000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.18 REMARK 3 ESD FROM SIGMAA (A) : 0.14 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.20 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.15 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.710 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.180 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.850 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.220 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.310 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.40 REMARK 3 BSOL : 49.95 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PA REMARK 3 PARAMETER FILE 2 : WATER_REP.PARA REMARK 3 PARAMETER FILE 3 : ION_NEW2.PARAM REMARK 3 PARAMETER FILE 4 : BEN.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN_SEP.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION_NEW.TOP REMARK 3 TOPOLOGY FILE 4 : BEN.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1G3B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-OCT-00. REMARK 100 THE DEPOSITION ID IS D_1000012180. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-AUG-99 REMARK 200 TEMPERATURE (KELVIN) : 106 REMARK 200 PH : 8.3 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 : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : YALE MIRRORS REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MACSCIENCE DIP100 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26364 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.08600 REMARK 200 R SYM (I) : 0.08600 REMARK 200 FOR THE DATA SET : 7.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 1.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.60 REMARK 200 R MERGE FOR SHELL (I) : 0.35300 REMARK 200 R SYM FOR SHELL (I) : 0.35300 REMARK 200 FOR SHELL : 3.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MONOCHROMATIC REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: 1BTY REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.91 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.92 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MAGNESIUM SULFATE, TRIS-CL, CALCIUM REMARK 280 CHLORIDE, PH 8.3, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 31.88500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 34.66500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.62500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 34.66500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 31.88500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.62500 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 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 ASP A 11 REMARK 465 ASP A 12 REMARK 465 ASP A 13 REMARK 465 ASP A 14 REMARK 465 LYS A 15 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 ASP A 71 -78.64 -134.71 REMARK 500 ASN A 79 -9.30 85.25 REMARK 500 SER A 214 -70.06 -113.85 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 A 502 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 70 OE1 REMARK 620 2 ASN A 72 O 93.4 REMARK 620 3 VAL A 75 O 165.5 81.6 REMARK 620 4 GLU A 80 OE2 100.9 160.0 87.5 REMARK 620 5 HOH A 737 O 82.5 101.0 85.0 94.6 REMARK 620 6 HOH A 739 O 88.1 85.2 105.0 81.6 169.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 501 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 192 OE1 REMARK 620 2 108 A 601 N 115.9 REMARK 620 3 108 A 601 OXT 106.9 75.6 REMARK 620 4 108 A 601 O1 87.0 84.1 158.8 REMARK 620 5 HOH A 724 O 155.4 85.7 89.0 83.7 REMARK 620 6 HOH A 725 O 68.5 175.0 101.3 98.6 90.4 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 701 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 108 A 601 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1BTY RELATED DB: PDB REMARK 900 THE SAME PROTEIN COMPLEXED WITH BENZAMIDINE DBREF 1G3B A 11 238 UNP P00760 TRY1_BOVIN 11 238 SEQRES 1 A 228 ASP ASP ASP ASP LYS ILE VAL GLY GLY TYR THR CYS GLY SEQRES 2 A 228 ALA ASN THR VAL PRO TYR GLN VAL SER LEU ASN SER GLY SEQRES 3 A 228 TYR HIS PHE CYS GLY GLY SER LEU ILE ASN SER GLN TRP SEQRES 4 A 228 VAL VAL SER ALA ALA HIS CYS TYR LYS SER GLY ILE GLN SEQRES 5 A 228 VAL ARG LEU GLY GLU ASP ASN ILE ASN VAL VAL GLU GLY SEQRES 6 A 228 ASN GLU GLN PHE ILE SER ALA SER LYS SER ILE VAL HIS SEQRES 7 A 228 PRO SER TYR ASN SER ASN THR LEU ASN ASN ASP ILE MET SEQRES 8 A 228 LEU ILE LYS LEU LYS SER ALA ALA SER LEU ASN SER ARG SEQRES 9 A 228 VAL ALA SER ILE SER LEU PRO THR SER CYS ALA SER ALA SEQRES 10 A 228 GLY THR GLN CYS LEU ILE SER GLY TRP GLY ASN THR LYS SEQRES 11 A 228 SER SER GLY THR SER TYR PRO ASP VAL LEU LYS CYS LEU SEQRES 12 A 228 LYS ALA PRO ILE LEU SER ASP SER SER CYS LYS SER ALA SEQRES 13 A 228 TYR PRO GLY GLN ILE THR SER ASN MET PHE CYS ALA GLY SEQRES 14 A 228 TYR LEU GLU GLY GLY LYS ASP SER CYS GLN GLY ASP SER SEQRES 15 A 228 GLY GLY PRO VAL VAL CYS SER GLY LYS LEU GLN GLY ILE SEQRES 16 A 228 VAL SER TRP GLY SER GLY CYS ALA GLN LYS ASN LYS PRO SEQRES 17 A 228 GLY VAL TYR THR LYS VAL CYS ASN TYR VAL SER TRP ILE SEQRES 18 A 228 LYS GLN THR ILE ALA SER ASN HET MG A 501 1 HET CA A 502 1 HET SO4 A 701 5 HET 108 A 601 17 HETNAM MG MAGNESIUM ION HETNAM CA CALCIUM ION HETNAM SO4 SULFATE ION HETNAM 108 2-(5-CARBAMIMIDOYL-2-HYDROXY-BENZYLAMINO)-PROPIONIC HETNAM 2 108 ACID FORMUL 2 MG MG 2+ FORMUL 3 CA CA 2+ FORMUL 4 SO4 O4 S 2- FORMUL 5 108 C11 H15 N3 O3 FORMUL 6 HOH *170(H2 O) HELIX 1 1 ALA A 55 TYR A 59 5 5 HELIX 2 2 SER A 164 TYR A 172 1 9 HELIX 3 3 TYR A 234 SER A 244 1 11 SHEET 1 A 7 TYR A 20 THR A 21 0 SHEET 2 A 7 LYS A 156 PRO A 161 -1 N CYS A 157 O TYR A 20 SHEET 3 A 7 GLN A 135 GLY A 140 -1 N CYS A 136 O ALA A 160 SHEET 4 A 7 PRO A 198 CYS A 201 -1 O PRO A 198 N SER A 139 SHEET 5 A 7 LYS A 204 TRP A 215 -1 O LYS A 204 N CYS A 201 SHEET 6 A 7 GLY A 226 LYS A 230 -1 N VAL A 227 O TRP A 215 SHEET 7 A 7 MET A 180 ALA A 183 -1 O PHE A 181 N TYR A 228 SHEET 1 B 7 GLN A 30 ASN A 34 0 SHEET 2 B 7 HIS A 40 ASN A 48 -1 N PHE A 41 O LEU A 33 SHEET 3 B 7 TRP A 51 SER A 54 -1 O TRP A 51 N ILE A 47 SHEET 4 B 7 MET A 104 LEU A 108 -1 O MET A 104 N SER A 54 SHEET 5 B 7 GLN A 81 VAL A 90 -1 N SER A 86 O LYS A 107 SHEET 6 B 7 GLN A 64 LEU A 66 -1 N VAL A 65 O ILE A 83 SHEET 7 B 7 GLN A 30 ASN A 34 -1 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.03 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.03 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.03 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.03 SSBOND 5 CYS A 168 CYS A 182 1555 1555 2.03 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.03 LINK OE1 GLU A 70 CA CA A 502 1555 1555 2.21 LINK O ASN A 72 CA CA A 502 1555 1555 2.29 LINK O VAL A 75 CA CA A 502 1555 1555 2.24 LINK OE2 GLU A 80 CA CA A 502 1555 1555 2.24 LINK OE1 GLN A 192 MG MG A 501 1555 1555 2.61 LINK MG MG A 501 N 108 A 601 1555 1555 2.20 LINK MG MG A 501 OXT 108 A 601 1555 1555 2.12 LINK MG MG A 501 O1 108 A 601 1555 1555 1.96 LINK MG MG A 501 O HOH A 724 1555 1555 2.26 LINK MG MG A 501 O HOH A 725 1555 1555 2.14 LINK CA CA A 502 O HOH A 737 1555 1555 2.27 LINK CA CA A 502 O HOH A 739 1555 1555 2.25 SITE 1 AC1 4 GLN A 192 108 A 601 HOH A 724 HOH A 725 SITE 1 AC2 6 GLU A 70 ASN A 72 VAL A 75 GLU A 80 SITE 2 AC2 6 HOH A 737 HOH A 739 SITE 1 AC3 5 PRO A 173 GLY A 174 GLN A 240 HOH A 713 SITE 2 AC3 5 HOH A 871 SITE 1 AC4 12 ASP A 189 SER A 190 CYS A 191 GLN A 192 SITE 2 AC4 12 SER A 195 TRP A 215 GLY A 216 GLY A 219 SITE 3 AC4 12 GLY A 226 MG A 501 HOH A 723 HOH A 724 CRYST1 63.770 63.250 69.330 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 0.015681 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015810 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014424 0.00000