HEADER PLANT LECTIN (AGGLUTININ) 20-MAR-96 1ENR TITLE CO-CRYSTALS OF DEMETALLIZED CONCANAVALIN A WITH ZINC AND CALCIUM TITLE 2 HAVING A ZINC ION BOUND IN THE S1 SITE AND A CALCIUM ION BOUND IN THE TITLE 3 S2 SITE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CONCANAVALIN A; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CON A; COMPND 5 OTHER_DETAILS: ZINC/CALCIUM COMPLEX SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CANAVALIA ENSIFORMIS; SOURCE 3 ORGANISM_COMMON: JACK BEAN; SOURCE 4 ORGANISM_TAXID: 3823 KEYWDS CONCANAVALIN A, PLANT LECTIN, AGGLUTININ, PLANT LECTIN (AGGLUTININ) EXPDTA X-RAY DIFFRACTION AUTHOR J.BOUCKAERT,R.LORIS,F.POORTMANS,L.WYNS REVDAT 4 18-APR-18 1ENR 1 REMARK REVDAT 3 13-JUL-11 1ENR 1 VERSN REVDAT 2 24-FEB-09 1ENR 1 VERSN REVDAT 1 17-AUG-96 1ENR 0 JRNL AUTH J.BOUCKAERT,F.POORTMANS,L.WYNS,R.LORIS JRNL TITL SEQUENTIAL STRUCTURAL CHANGES UPON ZINC AND CALCIUM BINDING JRNL TITL 2 TO METAL-FREE CONCANAVALIN A. JRNL REF J.BIOL.CHEM. V. 271 16144 1996 JRNL REFN ISSN 0021-9258 JRNL PMID 8663112 JRNL DOI 10.1074/JBC.271.27.16144 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.BOUCKAERT,R.LORIS,F.POORTMANS,L.WYNS REMARK 1 TITL CRYSTALLOGRAPHIC STRUCTURE OF METAL-FREE CONCANAVALIN A AT REMARK 1 TITL 2 2.5 ANGSTROM RESOLUTION REMARK 1 REF PROTEINS V. 23 510 1995 REMARK 1 REFN ISSN 0887-3585 REMARK 2 REMARK 2 RESOLUTION. 1.83 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.83 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 21738 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 SET) : 0.176 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 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1809 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 141 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.00 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) : 0.15 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.669 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.35 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.471 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ENR 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_1000173100. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-JUN-95 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : 7. REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : DIFFRACTOMETER REMARK 200 DETECTOR MANUFACTURER : ENRAF-NONIUS FAST REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MADNES REMARK 200 DATA SCALING SOFTWARE : CCP4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21804 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 11.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.06200 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: X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.39 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 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,Y,-Z REMARK 290 4555 X,-Y,-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 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+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 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 31.54500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 43.54000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 44.55500 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 31.54500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 43.54000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 44.55500 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 31.54500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 43.54000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 44.55500 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 31.54500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 43.54000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 44.55500 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 ONE MONOMER OF 237 AMINO REMARK 300 ACIDS. 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 10090 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 33290 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -241.0 KCAL/MOL 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 -87.08000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 3 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 -1.000000 89.11000 REMARK 350 BIOMT1 4 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 0.000000 -1.000000 0.000000 -87.08000 REMARK 350 BIOMT3 4 0.000000 0.000000 -1.000000 89.11000 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 HOH A 354 LIES ON A SPECIAL POSITION. 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 SER A 134 CB SER A 134 OG -0.098 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 SER A 21 27.98 -75.42 REMARK 500 REMARK 500 REMARK: NULL REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 CA A 238 REMARK 615 ZN A 239 REMARK 615 HOH A 245 REMARK 615 HOH A 247 REMARK 615 HOH A 248 REMARK 615 HOH A 252 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 238 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 10 OD1 REMARK 620 2 TYR A 12 O 77.0 REMARK 620 3 ASP A 19 OD2 110.0 81.0 REMARK 620 4 HOH A 247 O 72.8 90.3 169.8 REMARK 620 5 ASP A 10 OD2 53.6 112.9 77.7 110.9 REMARK 620 6 HOH A 245 O 113.0 170.0 95.5 92.1 75.2 REMARK 620 7 ASN A 14 OD1 148.1 80.2 87.9 85.3 158.3 90.3 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 239 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 8 OE2 REMARK 620 2 ASP A 10 OD2 97.5 REMARK 620 3 ASP A 19 OD1 165.9 95.1 REMARK 620 4 HIS A 24 NE2 93.2 94.0 92.3 REMARK 620 5 HOH A 248 O 86.9 89.1 86.9 176.8 REMARK 620 6 HOH A 252 O 84.7 176.7 82.5 88.3 88.5 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 CA A 238 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 239 DBREF 1ENR A 119 237 UNP P02866 CONA_CANEN 30 148 SEQADV 1ENR ASP A 151 UNP P02866 GLU 62 CONFLICT SEQADV 1ENR GLU A 155 UNP P02866 ARG 66 CONFLICT SEQRES 1 A 237 ALA ASP THR ILE VAL ALA VAL GLU LEU ASP THR TYR PRO SEQRES 2 A 237 ASN THR ASP ILE GLY ASP PRO SER TYR PRO HIS ILE GLY SEQRES 3 A 237 ILE ASP ILE LYS SER VAL ARG SER LYS LYS THR ALA LYS SEQRES 4 A 237 TRP ASN MET GLN ASN GLY LYS VAL GLY THR ALA HIS ILE SEQRES 5 A 237 ILE TYR ASN SER VAL ASP LYS ARG LEU SER ALA VAL VAL SEQRES 6 A 237 SER TYR PRO ASN ALA ASP SER ALA THR VAL SER TYR ASP SEQRES 7 A 237 VAL ASP LEU ASP ASN VAL LEU PRO GLU TRP VAL ARG VAL SEQRES 8 A 237 GLY LEU SER ALA SER THR GLY LEU TYR LYS GLU THR ASN SEQRES 9 A 237 THR ILE LEU SER TRP SER PHE THR SER LYS LEU LYS SER SEQRES 10 A 237 ASN SER THR HIS GLU THR ASN ALA LEU HIS PHE MET PHE SEQRES 11 A 237 ASN GLN PHE SER LYS ASP GLN LYS ASP LEU ILE LEU GLN SEQRES 12 A 237 GLY ASP ALA THR THR GLY THR ASP GLY ASN LEU GLU LEU SEQRES 13 A 237 THR ARG VAL SER SER ASN GLY SER PRO GLN GLY SER SER SEQRES 14 A 237 VAL GLY ARG ALA LEU PHE TYR ALA PRO VAL HIS ILE TRP SEQRES 15 A 237 GLU SER SER ALA VAL VAL ALA SER PHE GLU ALA THR PHE SEQRES 16 A 237 THR PHE LEU ILE LYS SER PRO ASP SER HIS PRO ALA ASP SEQRES 17 A 237 GLY ILE ALA PHE PHE ILE SER ASN ILE ASP SER SER ILE SEQRES 18 A 237 PRO SER GLY SER THR GLY ARG LEU LEU GLY LEU PHE PRO SEQRES 19 A 237 ASP ALA ASN HET CA A 238 1 HET ZN A 239 1 HETNAM CA CALCIUM ION HETNAM ZN ZINC ION FORMUL 2 CA CA 2+ FORMUL 3 ZN ZN 2+ FORMUL 4 HOH *141(H2 O) HELIX 1 1 ASN A 14 GLY A 18 5 5 HELIX 2 2 ASP A 80 VAL A 84 5 5 HELIX 3 3 THR A 150 GLY A 152 5 3 HELIX 4 4 THR A 226 LEU A 230 5 5 SHEET 1 S1 7 LYS A 36 LYS A 39 0 SHEET 2 S1 7 HIS A 24 ILE A 29 -1 N ILE A 27 O LYS A 36 SHEET 3 S1 7 ILE A 4 ASP A 10 -1 N ASP A 10 O HIS A 24 SHEET 4 S1 7 GLY A 209 ASN A 216 -1 N ILE A 214 O VAL A 5 SHEET 5 S1 7 TRP A 88 SER A 96 -1 N SER A 96 O GLY A 209 SHEET 6 S1 7 VAL A 170 PHE A 175 -1 N ALA A 173 O LEU A 93 SHEET 7 S1 7 LEU A 140 GLY A 144 -1 N GLN A 143 O ARG A 172 SHEET 1 S2 6 ALA A 73 ASP A 78 0 SHEET 2 S2 6 ARG A 60 SER A 66 -1 N VAL A 65 O ALA A 73 SHEET 3 S2 6 VAL A 47 ASN A 55 -1 N ILE A 53 O SER A 62 SHEET 4 S2 6 VAL A 188 LYS A 200 -1 N PHE A 197 O GLY A 48 SHEET 5 S2 6 THR A 103 LYS A 116 -1 N LYS A 116 O VAL A 188 SHEET 6 S2 6 THR A 123 PHE A 130 -1 N PHE A 130 O TRP A 109 LINK CA CA A 238 OD1 ASP A 10 1555 1555 2.38 LINK CA CA A 238 O TYR A 12 1555 1555 2.30 LINK CA CA A 238 OD2 ASP A 19 1555 1555 2.38 LINK ZN ZN A 239 OE2 GLU A 8 1555 1555 2.19 LINK ZN ZN A 239 OD2 ASP A 10 1555 1555 2.12 LINK ZN ZN A 239 OD1 ASP A 19 1555 1555 2.23 LINK ZN ZN A 239 NE2 HIS A 24 1555 1555 2.11 LINK CA CA A 238 O HOH A 247 1555 1555 2.35 LINK CA CA A 238 OD2 ASP A 10 1555 1555 2.46 LINK CA CA A 238 O HOH A 245 1555 1555 2.43 LINK CA CA A 238 OD1 ASN A 14 1555 1555 2.52 LINK ZN ZN A 239 O HOH A 248 1555 1555 2.30 LINK ZN ZN A 239 O HOH A 252 1555 1555 2.21 CISPEP 1 ALA A 207 ASP A 208 0 0.03 SITE 1 AC1 6 ASP A 10 TYR A 12 ASN A 14 ASP A 19 SITE 2 AC1 6 HOH A 245 HOH A 247 SITE 1 AC2 6 GLU A 8 ASP A 10 ASP A 19 HIS A 24 SITE 2 AC2 6 HOH A 248 HOH A 252 CRYST1 63.090 87.080 89.110 90.00 90.00 90.00 I 2 2 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 0.015850 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011484 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011222 0.00000 MASTER 331 0 2 4 13 0 4 6 0 0 0 19 END