HEADER HYDROLASE/HYDROLASE INHIBITOR 01-MAR-12 4DZT TITLE AQUALYSIN I: THE CRYSTAL STRUCTURE OF A SERINE PROTEASE FROM AN TITLE 2 EXTREME THERMOPHILE, THERMUS AQUATICUS YT-1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: AQUALYSIN-1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 128-403; COMPND 5 SYNONYM: AQUALYSIN-I; COMPND 6 EC: 3.4.21.111 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMUS AQUATICUS; SOURCE 3 ORGANISM_TAXID: 271; SOURCE 4 STRAIN: YT-1 KEYWDS SERINE PROTEASE, CALCIUM BINDING, INHIBITOR, HYDROLASE-HYDROLASE KEYWDS 2 INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR B.L.BARNETT,P.R.GREEN,L.C.STRICKLAND,J.D.OLIVER,T.RYDEL,J.F.SULLIVAN REVDAT 2 13-SEP-23 4DZT 1 REMARK LINK REVDAT 1 28-MAR-12 4DZT 0 JRNL AUTH B.L.BARNETT,P.R.GREEN,L.C.STRICKLAND,J.D.OLIVER,T.RYDEL, JRNL AUTH 2 J.F.SULLIVAN JRNL TITL AQUALYSIN I: THE CRYSTAL STRUCTURE OF A SERINE PROTEASE FROM JRNL TITL 2 AN EXTREME THERMOPHILE, THERMUS AQUATICUS YT-1 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.R.GREEN,J.D.OLIVER,L.C.STRICKLAND,D.R.TOERNER,H.MATSUZAWA, REMARK 1 AUTH 2 T.OHTA REMARK 1 TITL PURIFICATION, CRYSTALLIZATION AND PRELIMINARY X-RAY REMARK 1 TITL 2 INVESTIGATION OF AQUALYSIN I, A HEAT-STABLE SERINE PROTEASE. REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 49 349 1993 REMARK 1 REFN ISSN 0907-4449 REMARK 1 PMID 15299524 REMARK 1 DOI 10.1107/S0907444992012083 REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 94.3 REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.135 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) : 15483 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1967 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 143 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.020 REMARK 3 ANGLE DISTANCES (A) : 0.040 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.447 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.100 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.020 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : NULL REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: DATA REDUCTION, STRUCTURE SOLUTION, AND REMARK 3 STRUCTURE REFINEMENT WERE PERFORMED WITHOUT A FREE R TEST SET. REMARK 4 REMARK 4 4DZT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-MAR-12. REMARK 100 THE DEPOSITION ID IS D_1000070989. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-NOV-95 REMARK 200 TEMPERATURE (KELVIN) : 296 REMARK 200 PH : 7.5 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 : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : DIFFRACTOMETER REMARK 200 DETECTOR MANUFACTURER : RIGAKU AFC-5R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15592 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 4.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.03750 REMARK 200 R SYM (I) : 0.05000 REMARK 200 FOR THE DATA SET : 22.2100 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.05 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.5 REMARK 200 DATA REDUNDANCY IN SHELL : 0.90 REMARK 200 R MERGE FOR SHELL (I) : 0.05570 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 15.40 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: EPMR REMARK 200 STARTING MODEL: PDB ENTRY 2PRK REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.56 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 21% PEG800, 100 MM PHOSPHATE BUFFER, REMARK 280 PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 296K 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 32.24000 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 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 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 ARG A 31 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG A 120 CD - NE - CZ ANGL. DEV. = 23.3 DEGREES REMARK 500 ARG A 120 NE - CZ - NH2 ANGL. DEV. = 3.4 DEGREES REMARK 500 ARG A 169 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG A 270 NE - CZ - NH2 ANGL. DEV. = -3.6 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 ASP A 39 -150.98 -171.47 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 302 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 11 OD1 REMARK 620 2 ASP A 11 O 74.0 REMARK 620 3 ASP A 14 OD1 137.1 71.0 REMARK 620 4 GLN A 15 OE1 87.9 83.3 111.5 REMARK 620 5 SER A 21 OG 74.8 146.6 142.4 83.8 REMARK 620 6 SER A 23 O 84.1 108.5 84.2 163.2 79.8 REMARK 620 7 HOH A1012 O 148.5 134.2 73.9 83.1 74.3 96.1 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 303 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL A 170 O REMARK 620 2 ALA A 173 O 89.1 REMARK 620 3 THR A 175 OG1 97.1 96.1 REMARK 620 4 ASP A 196 OD1 162.1 73.0 86.4 REMARK 620 5 HOH A1074 O 106.8 110.0 144.3 78.9 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PMS A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 303 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2PRK RELATED DB: PDB REMARK 900 HOMOLOGOUS PROTEIN PROTEINASE K REMARK 900 RELATED ID: 1SUP RELATED DB: PDB REMARK 900 HOMOLOGOUS PROTEIN SUBTILISIN BPN' REMARK 900 RELATED ID: 2GKO RELATED DB: PDB REMARK 900 HOMOLOGOUS PROTEIN SUBTILISIN REMARK 900 RELATED ID: 1SVN RELATED DB: PDB REMARK 900 HOMOLOGOUS PROTEIN SAVINASE DBREF 4DZT A 1 276 UNP P08594 AQL1_THEAQ 128 403 SEQRES 1 A 276 ALA THR GLN SER PRO ALA PRO TRP GLY LEU ASP ARG ILE SEQRES 2 A 276 ASP GLN ARG ASP LEU PRO LEU SER ASN SER TYR THR TYR SEQRES 3 A 276 THR ALA THR GLY ARG GLY VAL ASN VAL TYR VAL ILE ASP SEQRES 4 A 276 THR GLY ILE ARG THR THR HIS ARG GLU PHE GLY GLY ARG SEQRES 5 A 276 ALA ARG VAL GLY TYR ASP ALA LEU GLY GLY ASN GLY GLN SEQRES 6 A 276 ASP CYS ASN GLY HIS GLY THR HIS VAL ALA GLY THR ILE SEQRES 7 A 276 GLY GLY VAL THR TYR GLY VAL ALA LYS ALA VAL ASN LEU SEQRES 8 A 276 TYR ALA VAL ARG VAL LEU ASP CYS ASN GLY SER GLY SER SEQRES 9 A 276 THR SER GLY VAL ILE ALA GLY VAL ASP TRP VAL THR ARG SEQRES 10 A 276 ASN HIS ARG ARG PRO ALA VAL ALA ASN MET SER LEU GLY SEQRES 11 A 276 GLY GLY VAL SER THR ALA LEU ASP ASN ALA VAL LYS ASN SEQRES 12 A 276 SER ILE ALA ALA GLY VAL VAL TYR ALA VAL ALA ALA GLY SEQRES 13 A 276 ASN ASP ASN ALA ASN ALA CYS ASN TYR SER PRO ALA ARG SEQRES 14 A 276 VAL ALA GLU ALA LEU THR VAL GLY ALA THR THR SER SER SEQRES 15 A 276 ASP ALA ARG ALA SER PHE SER ASN TYR GLY SER CYS VAL SEQRES 16 A 276 ASP LEU PHE ALA PRO GLY ALA SER ILE PRO SER ALA TRP SEQRES 17 A 276 TYR THR SER ASP THR ALA THR GLN THR LEU ASN GLY THR SEQRES 18 A 276 SER MET ALA THR PRO HIS VAL ALA GLY VAL ALA ALA LEU SEQRES 19 A 276 TYR LEU GLU GLN ASN PRO SER ALA THR PRO ALA SER VAL SEQRES 20 A 276 ALA SER ALA ILE LEU ASN GLY ALA THR THR GLY ARG LEU SEQRES 21 A 276 SER GLY ILE GLY SER GLY SER PRO ASN ARG LEU LEU TYR SEQRES 22 A 276 SER LEU LEU HET PMS A 301 10 HET CA A 302 1 HET CA A 303 1 HETNAM PMS PHENYLMETHANESULFONIC ACID HETNAM CA CALCIUM ION FORMUL 2 PMS C7 H8 O3 S FORMUL 3 CA 2(CA 2+) FORMUL 5 HOH *143(H2 O) HELIX 1 1 PRO A 7 ASP A 14 1 8 HELIX 2 2 HIS A 46 GLY A 50 5 5 HELIX 3 3 GLY A 69 GLY A 80 1 12 HELIX 4 4 SER A 104 HIS A 119 1 16 HELIX 5 5 SER A 134 ALA A 147 1 14 HELIX 6 6 ASN A 161 CYS A 163 5 3 HELIX 7 7 GLY A 220 ASN A 239 1 20 HELIX 8 8 THR A 243 ALA A 255 1 13 SHEET 1 A 2 THR A 2 GLN A 3 0 SHEET 2 A 2 TYR A 24 THR A 25 -1 O TYR A 24 N GLN A 3 SHEET 1 B 7 ALA A 53 ASP A 58 0 SHEET 2 B 7 ASN A 90 ARG A 95 1 O ARG A 95 N TYR A 57 SHEET 3 B 7 ASN A 34 ASP A 39 1 N VAL A 35 O ASN A 90 SHEET 4 B 7 ALA A 123 MET A 127 1 O VAL A 124 N TYR A 36 SHEET 5 B 7 VAL A 150 ALA A 154 1 O VAL A 150 N ALA A 125 SHEET 6 B 7 LEU A 174 THR A 179 1 O LEU A 174 N TYR A 151 SHEET 7 B 7 LEU A 197 PRO A 200 1 O LEU A 197 N GLY A 177 SHEET 1 C 2 GLY A 131 GLY A 132 0 SHEET 2 C 2 TYR A 165 SER A 166 -1 O SER A 166 N GLY A 131 SHEET 1 D 2 ILE A 204 ALA A 207 0 SHEET 2 D 2 THR A 215 LEU A 218 -1 O LEU A 218 N ILE A 204 SHEET 1 E 2 THR A 256 THR A 257 0 SHEET 2 E 2 ARG A 270 LEU A 271 -1 O LEU A 271 N THR A 256 SSBOND 1 CYS A 67 CYS A 99 1555 1555 2.01 SSBOND 2 CYS A 163 CYS A 194 1555 1555 2.03 LINK OG SER A 222 S PMS A 301 1555 1555 1.53 LINK OD1 ASP A 11 CA CA A 302 1555 1555 2.38 LINK O ASP A 11 CA CA A 302 1555 1555 2.43 LINK OD1 ASP A 14 CA CA A 302 1555 1555 2.41 LINK OE1 GLN A 15 CA CA A 302 1555 1555 2.44 LINK OG SER A 21 CA CA A 302 1555 1555 2.57 LINK O SER A 23 CA CA A 302 1555 1555 2.41 LINK O VAL A 170 CA CA A 303 1555 1555 2.61 LINK O ALA A 173 CA CA A 303 1555 1555 2.51 LINK OG1 THR A 175 CA CA A 303 1555 1555 2.62 LINK OD1 ASP A 196 CA CA A 303 1555 1555 2.54 LINK CA CA A 302 O HOH A1012 1555 1555 2.56 LINK CA CA A 303 O HOH A1074 1555 1555 2.81 CISPEP 1 SER A 4 PRO A 5 0 -2.69 CISPEP 2 LEU A 18 PRO A 19 0 0.63 CISPEP 3 ARG A 121 PRO A 122 0 -3.91 CISPEP 4 SER A 166 PRO A 167 0 1.00 SITE 1 AC1 8 HIS A 70 SER A 128 ALA A 154 ASN A 157 SITE 2 AC1 8 ASN A 219 THR A 221 SER A 222 MET A 223 SITE 1 AC2 6 ASP A 11 ASP A 14 GLN A 15 SER A 21 SITE 2 AC2 6 SER A 23 HOH A1012 SITE 1 AC3 6 VAL A 170 ALA A 171 ALA A 173 THR A 175 SITE 2 AC3 6 ASP A 196 HOH A1074 CRYST1 40.906 64.480 45.716 90.00 109.10 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 0.024446 0.000000 0.008465 0.00000 SCALE2 0.000000 0.015509 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023149 0.00000