HEADER HYDROLASE 13-JAN-92 1EZM TITLE THREE-DIMENSIONAL STRUCTURE OF THE ELASTASE OF PSEUDOMONAS AERUGINOSA TITLE 2 AT 1.5 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PSEUDOMONAS ELASTASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.24.26; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSEUDOMONAS AERUGINOSA; SOURCE 3 ORGANISM_TAXID: 287 KEYWDS HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR M.M.THAYER,K.M.FLAHERTY,D.B.MCKAY REVDAT 6 23-OCT-24 1EZM 1 REMARK REVDAT 5 05-JUN-24 1EZM 1 REMARK LINK REVDAT 4 25-AUG-09 1EZM 1 SOURCE REVDAT 3 24-FEB-09 1EZM 1 VERSN REVDAT 2 01-APR-03 1EZM 1 JRNL REVDAT 1 31-OCT-93 1EZM 0 JRNL AUTH M.M.THAYER,K.M.FLAHERTY,D.B.MCKAY JRNL TITL THREE-DIMENSIONAL STRUCTURE OF THE ELASTASE OF PSEUDOMONAS JRNL TITL 2 AERUGINOSA AT 1.5-A RESOLUTION. JRNL REF J.BIOL.CHEM. V. 266 2864 1991 JRNL REFN ISSN 0021-9258 JRNL PMID 1899664 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL 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 : 2285 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 157 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 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) : 0.014 REMARK 3 BOND ANGLES (DEGREES) : 2.700 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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 1EZM 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_1000173194. 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 <I/SIGMA(I)> 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 <I/SIGMA(I)> 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 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.01 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 45.00000 REMARK 290 SMTRY3 2 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 SER A 299 REMARK 465 ALA A 300 REMARK 465 LEU A 301 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ASP A 28 CG OD1 OD2 REMARK 470 ARG A 29 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 108 CG CD NE CZ NH1 NH2 REMARK 470 MET A 128 CG SD CE REMARK 470 LYS A 181 CG CD CE NZ REMARK 470 LYS A 246 CG CD CE NZ REMARK 470 ARG A 274 CG CD NE CZ NH1 NH2 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 ASP A 33 CB - CG - OD1 ANGL. DEV. = 5.5 DEGREES REMARK 500 TRP A 90 CD1 - CG - CD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 TRP A 90 CE2 - CD2 - CG ANGL. DEV. = -5.3 DEGREES REMARK 500 TRP A 115 CD1 - CG - CD2 ANGL. DEV. = 6.3 DEGREES REMARK 500 TRP A 115 CE2 - CD2 - CG ANGL. DEV. = -5.6 DEGREES REMARK 500 MET A 120 CG - SD - CE ANGL. DEV. = 10.6 DEGREES REMARK 500 ARG A 156 NE - CZ - NH2 ANGL. DEV. = -4.9 DEGREES REMARK 500 ARG A 179 NE - CZ - NH1 ANGL. DEV. = 5.0 DEGREES REMARK 500 ARG A 179 NE - CZ - NH2 ANGL. DEV. = -4.3 DEGREES REMARK 500 TYR A 216 CB - CG - CD1 ANGL. DEV. = -4.1 DEGREES REMARK 500 ARG A 231 NE - CZ - NH2 ANGL. DEV. = -4.0 DEGREES REMARK 500 TRP A 242 CD1 - CG - CD2 ANGL. DEV. = 6.5 DEGREES REMARK 500 TRP A 242 CE2 - CD2 - CG ANGL. DEV. = -5.3 DEGREES REMARK 500 ASP A 253 CB - CG - OD1 ANGL. DEV. = 5.7 DEGREES REMARK 500 ARG A 256 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 ARG A 256 NE - CZ - NH2 ANGL. DEV. = -4.0 DEGREES REMARK 500 TRP A 259 CD1 - CG - CD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 TRP A 259 CE2 - CD2 - CG ANGL. DEV. = -5.2 DEGREES REMARK 500 TYR A 265 CB - CG - CD2 ANGL. DEV. = -4.1 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 SER A 19 -71.66 -144.41 REMARK 500 SER A 71 89.11 -167.84 REMARK 500 GLU A 111 58.15 -94.66 REMARK 500 THR A 118 -42.91 -134.99 REMARK 500 ALA A 126 -99.00 -160.67 REMARK 500 LEU A 132 27.93 -74.58 REMARK 500 ASN A 150 -111.46 -111.49 REMARK 500 ARG A 208 -31.44 -133.34 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 288 0.14 SIDE CHAIN 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 400 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 136 OD2 REMARK 620 2 GLU A 172 OE2 93.0 REMARK 620 3 GLU A 175 OE1 84.1 100.3 REMARK 620 4 GLU A 175 OE2 131.6 97.2 47.5 REMARK 620 5 ASP A 183 OD1 151.0 100.2 118.1 72.4 REMARK 620 6 LEU A 185 O 75.6 87.4 158.7 151.7 79.3 REMARK 620 7 HOH A 503 O 83.7 167.3 91.5 94.2 77.8 79.9 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 302 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 140 NE2 REMARK 620 2 HIS A 144 NE2 113.0 REMARK 620 3 GLU A 164 OE2 114.9 96.8 REMARK 620 4 HOH A 414 O 112.5 110.0 108.5 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 400 DBREF 1EZM A 1 301 UNP P14756 ELAS_PSEAE 198 498 SEQRES 1 A 301 ALA GLU ALA GLY GLY PRO GLY GLY ASN GLN LYS ILE GLY SEQRES 2 A 301 LYS TYR THR TYR GLY SER ASP TYR GLY PRO LEU ILE VAL SEQRES 3 A 301 ASN ASP ARG CYS GLU MET ASP ASP GLY ASN VAL ILE THR SEQRES 4 A 301 VAL ASP MET ASN SER SER THR ASP ASP SER LYS THR THR SEQRES 5 A 301 PRO PHE ARG PHE ALA CYS PRO THR ASN THR TYR LYS GLN SEQRES 6 A 301 VAL ASN GLY ALA TYR SER PRO LEU ASN ASP ALA HIS PHE SEQRES 7 A 301 PHE GLY GLY VAL VAL PHE LYS LEU TYR ARG ASP TRP PHE SEQRES 8 A 301 GLY THR SER PRO LEU THR HIS LYS LEU TYR MET LYS VAL SEQRES 9 A 301 HIS TYR GLY ARG SER VAL GLU ASN ALA TYR TRP ASP GLY SEQRES 10 A 301 THR ALA MET LEU PHE GLY ASP GLY ALA THR MET PHE TYR SEQRES 11 A 301 PRO LEU VAL SER LEU ASP VAL ALA ALA HIS GLU VAL SER SEQRES 12 A 301 HIS GLY PHE THR GLU GLN ASN SER GLY LEU ILE TYR ARG SEQRES 13 A 301 GLY GLN SER GLY GLY MET ASN GLU ALA PHE SER ASP MET SEQRES 14 A 301 ALA GLY GLU ALA ALA GLU PHE TYR MET ARG GLY LYS ASN SEQRES 15 A 301 ASP PHE LEU ILE GLY TYR ASP ILE LYS LYS GLY SER GLY SEQRES 16 A 301 ALA LEU ARG TYR MET ASP GLN PRO SER ARG ASP GLY ARG SEQRES 17 A 301 SER ILE ASP ASN ALA SER GLN TYR TYR ASN GLY ILE ASP SEQRES 18 A 301 VAL HIS HIS SER SER GLY VAL TYR ASN ARG ALA PHE TYR SEQRES 19 A 301 LEU LEU ALA ASN SER PRO GLY TRP ASP THR ARG LYS ALA SEQRES 20 A 301 PHE GLU VAL PHE VAL ASP ALA ASN ARG TYR TYR TRP THR SEQRES 21 A 301 ALA THR SER ASN TYR ASN SER GLY ALA CYS GLY VAL ILE SEQRES 22 A 301 ARG SER ALA GLN ASN ARG ASN TYR SER ALA ALA ASP VAL SEQRES 23 A 301 THR ARG ALA PHE SER THR VAL GLY VAL THR CYS PRO SER SEQRES 24 A 301 ALA LEU HET ZN A 302 1 HET CA A 400 1 HETNAM ZN ZINC ION HETNAM CA CALCIUM ION FORMUL 2 ZN ZN 2+ FORMUL 3 CA CA 2+ FORMUL 4 HOH *157(H2 O) HELIX 1 1 SER A 71 GLY A 92 1 22 HELIX 2 2 SER A 134 ASN A 150 1 17 HELIX 3 3 ARG A 156 GLY A 180 1 25 HELIX 4 4 GLN A 202 GLY A 207 5 6 HELIX 5 5 ASN A 212 TYR A 216 5 5 HELIX 6 6 ASP A 221 SER A 226 1 6 HELIX 7 7 SER A 226 ASN A 238 1 13 HELIX 8 8 ASP A 243 TYR A 258 1 16 HELIX 9 9 ASN A 264 ARG A 279 1 16 HELIX 10 10 SER A 282 VAL A 293 1 12 SHEET 1 A 2 GLU A 2 ALA A 3 0 SHEET 2 A 2 LEU A 24 ILE A 25 -1 N LEU A 24 O ALA A 3 SHEET 1 B 2 GLY A 5 ASN A 9 0 SHEET 2 B 2 GLY A 13 TYR A 17 -1 N GLY A 13 O ASN A 9 SHEET 1 C 4 VAL A 37 ASP A 41 0 SHEET 2 C 4 LEU A 100 VAL A 104 1 O LEU A 100 N ILE A 38 SHEET 3 C 4 ALA A 119 PHE A 122 1 O MET A 120 N LYS A 103 SHEET 4 C 4 ALA A 113 TRP A 115 -1 N TYR A 114 O LEU A 121 SHEET 1 D 2 LEU A 185 ILE A 186 0 SHEET 2 D 2 ARG A 198 TYR A 199 -1 O ARG A 198 N ILE A 186 SSBOND 1 CYS A 30 CYS A 58 1555 1555 2.02 SSBOND 2 CYS A 270 CYS A 297 1555 1555 2.01 LINK OD2 ASP A 136 CA CA A 400 1555 1555 2.56 LINK NE2 HIS A 140 ZN ZN A 302 1555 1555 2.09 LINK NE2 HIS A 144 ZN ZN A 302 1555 1555 2.05 LINK OE2 GLU A 164 ZN ZN A 302 1555 1555 1.84 LINK OE2 GLU A 172 CA CA A 400 1555 1555 2.24 LINK OE1 GLU A 175 CA CA A 400 1555 1555 2.26 LINK OE2 GLU A 175 CA CA A 400 1555 1555 2.89 LINK OD1 ASP A 183 CA CA A 400 1555 1555 2.42 LINK O LEU A 185 CA CA A 400 1555 1555 2.42 LINK ZN ZN A 302 O HOH A 414 1555 1555 2.36 LINK CA CA A 400 O HOH A 503 1555 1555 2.49 CISPEP 1 CYS A 58 PRO A 59 0 10.55 CISPEP 2 TYR A 63 LYS A 64 0 0.75 SITE 1 AC1 4 HIS A 140 HIS A 144 GLU A 164 HOH A 414 SITE 1 AC2 6 ASP A 136 GLU A 172 GLU A 175 ASP A 183 SITE 2 AC2 6 LEU A 185 HOH A 503 CRYST1 41.900 90.000 40.800 90.00 113.80 90.00 P 1 21 1 2 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 0.023866 0.000000 0.010526 0.00000 SCALE2 0.000000 0.011111 0.000000 0.00000 SCALE3 0.000000 0.000000 0.026788 0.00000