HEADER HYDROLASE(SERINE PROTEINASE) 14-JAN-94 2TBS TITLE COLD-ADAPTION OF ENZYMES: STRUCTURAL COMPARISON BETWEEN SALMON AND TITLE 2 BOVINE TRYPSINS COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.4; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SALMO SALAR; SOURCE 3 ORGANISM_COMMON: ATLANTIC SALMON; SOURCE 4 ORGANISM_TAXID: 8030 KEYWDS HYDROLASE(SERINE PROTEINASE) EXPDTA X-RAY DIFFRACTION AUTHOR A.O.SMALAS REVDAT 4 25-DEC-24 2TBS 1 REMARK LINK REVDAT 3 05-JUN-24 2TBS 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 2TBS 1 VERSN REVDAT 1 30-APR-94 2TBS 0 SPRSDE 30-APR-94 2TBS 1TBS JRNL AUTH A.O.SMALAS,E.S.HEIMSTAD,A.HORDVIK,N.P.WILLASSEN,R.MALE JRNL TITL COLD ADAPTION OF ENZYMES: STRUCTURAL COMPARISON BETWEEN JRNL TITL 2 SALMON AND BOVINE TRYPSINS. JRNL REF PROTEINS V. 20 149 1994 JRNL REFN ISSN 0887-3585 JRNL PMID 7846025 JRNL DOI 10.1002/PROT.340200205 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.O.SMALAS,A.HORDVIK REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY CRYSTALLOGRAPHIC REMARK 1 TITL 2 STUDIES OF BENZAMIDINE-INHIBITED TRYPSIN FROM THE NORTH REMARK 1 TITL 3 ATLANTIC SALMON (SALMO SALAR) REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 49 318 1993 REMARK 1 REFN ISSN 0907-4449 REMARK 1 REFERENCE 2 REMARK 1 AUTH A.O.SMALAS,A.HORDVIK,L.K.HANSEN,E.HOUGH,K.JYNGE REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY CRYSTALLOGRAPHIC REMARK 1 TITL 2 STUDIES OF BENZAMIDINE-INHIBITED TRYPSIN FROM THE NORTH REMARK 1 TITL 3 ATLANTIC SALMON (SALMO SALAR) REMARK 1 REF J.MOL.BIOL. V. 214 355 1990 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH M.MARQUART,J.WALTER,J.DEISENHOFER,W.BODE,R.HUBER REMARK 1 TITL THE GEOMETRY OF THE REACTIVE SITE AND OF THE PEPTIDE GROUPS REMARK 1 TITL 2 IN TRYPSIN, TRYPSINOGEN AND ITS COMPLEXES WITH INHIBITORS REMARK 1 REF ACTA CRYSTALLOGR.,SECT.B V. 39 480 1983 REMARK 1 REFN ISSN 0108-7681 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 14474 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1659 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 164 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.020 ; 0.010 REMARK 3 ANGLE DISTANCE (A) : 0.040 ; 0.020 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.046 ; 0.030 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.015 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.042 ; 0.120 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.172 ; 0.500 REMARK 3 MULTIPLE TORSION (A) : 0.321 ; 0.500 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : 0.221 ; 0.500 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 4.100 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 15.200; 15.000 REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 THE STRUCTURE WAS SOLVED BY MOLECULAR REPLACEMENT METHODS, REMARK 3 USING THE MERLOT-PACKAGE (FITZGERALD, P. (1988) J.APPL. REMARK 3 CRYST., 21, 273-278), AND THE REFINED MODEL OF REMARK 3 BOVINE TRYPSIN AS SEARCH MODEL (PROTEIN DATA BANK, ENTRY REMARK 3 3PTB). REMARK 3 REMARK 3 THIS ENTRY WAS REFINED USING A NON-STANDARD SETTING FOR REMARK 3 THE SPACE GROUP P 21 21 2. THE FOLLOWING SYMMETRY REMARK 3 OPERATORS MUST BE USED TO GENERATE CRYSTALLOGRAPHICALLY REMARK 3 RELATED MOLECULES. REMARK 3 X, Y, Z REMARK 3 -X, 1/2+Y, -Z REMARK 3 1/2+X, -Y, -Z REMARK 3 1/2-X, 1/2-Y, Z REMARK 4 REMARK 4 2TBS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000178661. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.70 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 30.97500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.16500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 30.97500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 42.16500 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 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 SER A 244 REMARK 475 TYR A 245 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 ARG A 62 CB CG CD NE CZ NH1 NH2 REMARK 480 GLU A 64 OE1 REMARK 480 LYS A 74 CG CD CE NZ REMARK 480 TYR A 97 CG CD1 CD2 CE1 CE2 CZ OH REMARK 480 ASN A 159 ND2 REMARK 480 ASN A 178 CG OD1 ND2 REMARK 480 GLU A 186 CG CD OE1 OE2 REMARK 480 GLN A 192 CD OE1 NE2 REMARK 480 ASN A 202 ND2 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 A 332 DISTANCE = 5.94 ANGSTROMS REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 THE CALCIUM IS ION IS BOUND IN A MANNER SIMILAR TO THAT REMARK 600 OBSERVED IN BOVINE TRYPSIN. 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 247 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 70 OE1 REMARK 620 2 ASN A 72 O 89.7 REMARK 620 3 VAL A 75 O 154.0 83.2 REMARK 620 4 GLU A 77 OE1 98.6 85.2 105.7 REMARK 620 5 GLU A 80 OE2 102.5 166.3 88.4 86.6 REMARK 620 6 PRO A 222 N 103.3 15.1 68.0 89.7 154.2 REMARK 620 7 PRO A 222 O 99.4 73.5 54.6 152.0 110.2 65.3 REMARK 620 8 ASN A 224 OD1 33.1 92.6 122.0 131.7 101.1 100.4 68.7 REMARK 620 9 HOH A 327 O 75.1 97.3 81.0 173.1 92.1 94.4 34.3 42.0 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 247 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEN A 246 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE AMINO ACID NUMBERING SCHEME USED IS ADOPTED FROM REMARK 999 CHYMOTRYPSINOGEN. DBREF 2TBS A 16 245 UNP P35031 TRY1_SALSA 21 242 SEQADV 2TBS ALA A 28 UNP P35031 THR 33 CONFLICT SEQADV 2TBS ASP A 153 UNP P35031 ASN 152 CONFLICT SEQADV 2TBS ASP A 170 UNP P35031 ASN 169 CONFLICT SEQADV 2TBS SER A 235 UNP P35031 ASN 232 CONFLICT SEQRES 1 A 222 ILE VAL GLY GLY TYR GLU CYS LYS ALA TYR SER GLN ALA SEQRES 2 A 222 HIS GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY SEQRES 3 A 222 GLY SER LEU VAL ASN GLU ASN TRP VAL VAL SER ALA ALA SEQRES 4 A 222 HIS CYS TYR LYS SER ARG VAL GLU VAL ARG LEU GLY GLU SEQRES 5 A 222 HIS ASN ILE LYS VAL THR GLU GLY SER GLU GLN PHE ILE SEQRES 6 A 222 SER SER SER ARG VAL ILE ARG HIS PRO ASN TYR SER SER SEQRES 7 A 222 TYR ASN ILE ASP ASN ASP ILE MET LEU ILE LYS LEU SER SEQRES 8 A 222 LYS PRO ALA THR LEU ASN THR TYR VAL GLN PRO VAL ALA SEQRES 9 A 222 LEU PRO THR SER CYS ALA PRO ALA GLY THR MET CYS THR SEQRES 10 A 222 VAL SER GLY TRP GLY ASN THR MET SER SER THR ALA ASP SEQRES 11 A 222 SER ASP LYS LEU GLN CYS LEU ASN ILE PRO ILE LEU SER SEQRES 12 A 222 TYR SER ASP CYS ASN ASP SER TYR PRO GLY MET ILE THR SEQRES 13 A 222 ASN ALA MET PHE CYS ALA GLY TYR LEU GLU GLY GLY LYS SEQRES 14 A 222 ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL CYS SEQRES 15 A 222 ASN GLY GLU LEU GLN GLY VAL VAL SER TRP GLY TYR GLY SEQRES 16 A 222 CYS ALA GLU PRO GLY ASN PRO GLY VAL TYR ALA LYS VAL SEQRES 17 A 222 CYS ILE PHE SER ASP TRP LEU THR SER THR MET ALA SER SEQRES 18 A 222 TYR HET CA A 247 1 HET BEN A 246 9 HETNAM CA CALCIUM ION HETNAM BEN BENZAMIDINE FORMUL 2 CA CA 2+ FORMUL 3 BEN C7 H8 N2 FORMUL 4 HOH *164(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 PHE A 234 ALA A 243 1 10 SHEET 1 A 7 TYR A 20 GLU A 21 0 SHEET 2 A 7 GLN A 156 PRO A 161 -1 N CYS A 157 O TYR A 20 SHEET 3 A 7 MET A 135 GLY A 140 -1 N CYS A 136 O ILE 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 GLU A 204 TRP A 215 -1 O GLU 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 VAL A 47 SHEET 4 B 7 MET A 104 LEU A 108 -1 N MET A 104 O SER A 54 SHEET 5 B 7 GLN A 81 ARG A 90 -1 N SER A 86 O LYS A 107 SHEET 6 B 7 GLU A 64 LEU A 67 -1 N VAL A 65 O ILE A 83 SHEET 7 B 7 GLN A 30 ASN A 34 -1 O SER A 32 N ARG A 66 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.08 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.08 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.08 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.04 SSBOND 5 CYS A 168 CYS A 182 1555 1555 2.02 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.10 LINK OE1 GLU A 70 CA CA A 247 1555 1555 2.29 LINK O ASN A 72 CA CA A 247 1555 1555 2.42 LINK O VAL A 75 CA CA A 247 1555 1555 2.30 LINK OE1 GLU A 77 CA CA A 247 1555 1555 2.30 LINK OE2 GLU A 80 CA CA A 247 1555 1555 2.52 LINK N PRO A 222 CA CA A 247 2665 1555 3.09 LINK O PRO A 222 CA CA A 247 2665 1555 2.03 LINK OD1 ASN A 224 CA CA A 247 2665 1555 3.31 LINK CA CA A 247 O HOH A 327 1555 1555 2.40 SITE 1 AC1 10 GLU A 70 ASN A 72 VAL A 75 GLU A 77 SITE 2 AC1 10 GLU A 80 PRO A 222 ASN A 224 HOH A 327 SITE 3 AC1 10 HOH A 351 GLU A1221 SITE 1 AC2 14 HIS A 40 PHE A 41 CYS A 42 GLY A 43 SITE 2 AC2 14 ILE A 73 TRP A 141 ASP A 189 SER A 190 SITE 3 AC2 14 GLY A 193 SER A 195 GLY A 219 GLY A 226 SITE 4 AC2 14 HOH A 365 HOH A 416 CRYST1 61.950 84.330 39.110 90.00 90.00 90.00 P 21 21 2 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 0.016142 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011858 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025569 0.00000