HEADER HYDROLASE 23-JAN-13 4IVV TITLE CATALYTIC AMIDASE DOMAIN OF THE MAJOR AUTOLYSIN LYTA FROM TITLE 2 STREPTOCOCCUS PNEUMANIAE COMPND MOL_ID: 1; COMPND 2 MOLECULE: AUTOLYSIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-LYTA, UNP RESIDUES 1-181; COMPND 5 SYNONYM: CELL WALL HYDROLASE, MUCOPEPTIDE AMINOHYDROLASE, MUREIN COMPND 6 HYDROLASE, N-ACETYLMURAMOYL-L-ALANINE AMIDASE; COMPND 7 EC: 3.5.1.28; COMPND 8 ENGINEERED: YES; COMPND 9 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOCOCCUS PNEUMONIAE; SOURCE 3 ORGANISM_TAXID: 170187; SOURCE 4 STRAIN: STRAIN ATCC BAA-334 / TIGR4; SOURCE 5 GENE: LYTA, SP_1937; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: ROSETTA 2; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET21D KEYWDS AMIDASE-2, LYTA, PEPTIDOGLYCAN CLEAVAGE, AUTOLYSIN, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR T.SANDALOVA,A.ACHOUR REVDAT 2 19-MAR-14 4IVV 1 JRNL REVDAT 1 29-JAN-14 4IVV 0 JRNL AUTH P.MELLROTH,T.SANDALOVA,A.KIKHNEY,F.VILAPLANA,D.HESEK,M.LEE, JRNL AUTH 2 S.MOBASHERY,S.NORMARK,D.SVERGUN,B.HENRIQUES-NORMARK,A.ACHOUR JRNL TITL STRUCTURAL AND FUNCTIONAL INSIGHTS INTO PEPTIDOGLYCAN ACCESS JRNL TITL 2 FOR THE LYTIC AMIDASE LYTA OF STREPTOCOCCUS PNEUMONIAE. JRNL REF MBIO V. 5 01120 2014 JRNL REFN ESSN 2150-7511 JRNL PMID 24520066 JRNL DOI 10.1128/MBIO.01120-13 REMARK 2 REMARK 2 RESOLUTION. 1.05 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0109 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.05 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 17.46 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 91206 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 + TEST SET) : 0.142 REMARK 3 R VALUE (WORKING SET) : 0.141 REMARK 3 FREE R VALUE : 0.157 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 4816 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.05 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.07 REMARK 3 REFLECTION IN BIN (WORKING SET) : 6830 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.83 REMARK 3 BIN R VALUE (WORKING SET) : 0.2840 REMARK 3 BIN FREE R VALUE SET COUNT : 343 REMARK 3 BIN FREE R VALUE : 0.2910 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1376 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 255 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 8.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 9.85 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.08000 REMARK 3 B22 (A**2) : 0.08000 REMARK 3 B33 (A**2) : -0.11000 REMARK 3 B12 (A**2) : 0.04000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.023 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.023 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.015 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.642 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.975 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.969 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1478 ; 0.006 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 964 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2023 ; 1.190 ; 1.921 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2360 ; 0.847 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 189 ; 6.190 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 80 ;35.208 ;25.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 230 ;10.514 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 6 ;16.671 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 210 ; 0.075 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1709 ; 0.005 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 297 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 893 ; 0.812 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 363 ; 0.192 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1446 ; 1.367 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 585 ; 1.965 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 571 ; 3.017 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 2442 ; 0.664 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 4IVV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-FEB-13. REMARK 100 THE RCSB ID CODE IS RCSB077274. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-OCT-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.7 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97900 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 95581 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.050 REMARK 200 RESOLUTION RANGE LOW (A) : 43.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 2.700 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.05 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.11 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : 0.53000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: SHELXS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.95 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.51 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 6000 12%, 0.1M TRISHCL, LICL 0.8M, REMARK 280 PH 6.7, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 48.40667 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 24.20333 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 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 THR A 173 REMARK 465 ILE A 174 REMARK 465 GLU A 175 REMARK 465 THR A 176 REMARK 465 GLY A 177 REMARK 465 TRP A 178 REMARK 465 GLN A 179 REMARK 465 LYS A 180 REMARK 465 HIS A 181 REMARK 465 HIS A 182 REMARK 465 HIS A 183 REMARK 465 HIS A 184 REMARK 465 HIS A 185 REMARK 465 HIS A 186 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OD1 ASN A 139 O HOH A 392 2.09 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 ZN A 201 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 149 OD2 REMARK 620 2 HIS A 26 ND1 97.6 REMARK 620 3 HIS A 133 ND1 121.2 93.8 REMARK 620 4 HOH A 384 O 155.8 84.9 82.5 REMARK 620 5 HOH A 301 O 82.3 96.5 152.8 73.5 REMARK 620 6 HOH A 423 O 100.8 155.3 90.5 71.6 70.1 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 ZN A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 202 DBREF 4IVV A 1 181 UNP P06653 ALYS_STRPN 1 181 SEQADV 4IVV ALA A -1 UNP P06653 EXPRESSION TAG SEQADV 4IVV SER A 0 UNP P06653 EXPRESSION TAG SEQADV 4IVV ALA A 60 UNP P06653 CYS 60 ENGINEERED MUTATION SEQADV 4IVV ALA A 136 UNP P06653 CYS 136 ENGINEERED MUTATION SEQADV 4IVV HIS A 181 UNP P06653 ASN 181 EXPRESSION TAG SEQADV 4IVV HIS A 182 UNP P06653 EXPRESSION TAG SEQADV 4IVV HIS A 183 UNP P06653 EXPRESSION TAG SEQADV 4IVV HIS A 184 UNP P06653 EXPRESSION TAG SEQADV 4IVV HIS A 185 UNP P06653 EXPRESSION TAG SEQADV 4IVV HIS A 186 UNP P06653 EXPRESSION TAG SEQRES 1 A 188 ALA SER MET GLU ILE ASN VAL SER LYS LEU ARG THR ASP SEQRES 2 A 188 LEU PRO GLN VAL GLY VAL GLN PRO TYR ARG GLN VAL HIS SEQRES 3 A 188 ALA HIS SER THR GLY ASN PRO HIS SER THR VAL GLN ASN SEQRES 4 A 188 GLU ALA ASP TYR HIS TRP ARG LYS ASP PRO GLU LEU GLY SEQRES 5 A 188 PHE PHE SER HIS ILE VAL GLY ASN GLY ALA ILE MET GLN SEQRES 6 A 188 VAL GLY PRO VAL ASP ASN GLY ALA TRP ASP VAL GLY GLY SEQRES 7 A 188 GLY TRP ASN ALA GLU THR TYR ALA ALA VAL GLU LEU ILE SEQRES 8 A 188 GLU SER HIS SER THR LYS GLU GLU PHE MET THR ASP TYR SEQRES 9 A 188 ARG LEU TYR ILE GLU LEU LEU ARG ASN LEU ALA ASP GLU SEQRES 10 A 188 ALA GLY LEU PRO LYS THR LEU ASP THR GLY SER LEU ALA SEQRES 11 A 188 GLY ILE LYS THR HIS GLU TYR ALA THR ASN ASN GLN PRO SEQRES 12 A 188 ASN ASN HIS SER ASP HIS VAL ASP PRO TYR PRO TYR LEU SEQRES 13 A 188 ALA LYS TRP GLY ILE SER ARG GLU GLN PHE LYS HIS ASP SEQRES 14 A 188 ILE GLU ASN GLY LEU THR ILE GLU THR GLY TRP GLN LYS SEQRES 15 A 188 HIS HIS HIS HIS HIS HIS HET ZN A 201 1 HET EDO A 202 4 HETNAM ZN ZINC ION HETNAM EDO 1,2-ETHANEDIOL HETSYN EDO ETHYLENE GLYCOL FORMUL 2 ZN ZN 2+ FORMUL 3 EDO C2 H6 O2 FORMUL 4 HOH *255(H2 O) HELIX 1 1 THR A 34 LYS A 45 1 12 HELIX 2 2 ASP A 46 GLY A 50 5 5 HELIX 3 3 GLY A 76 ALA A 80 5 5 HELIX 4 4 THR A 94 GLY A 117 1 24 HELIX 5 5 HIS A 133 GLN A 140 1 8 HELIX 6 6 PRO A 150 TRP A 157 1 8 HELIX 7 7 SER A 160 GLY A 171 1 12 SHEET 1 A 5 ALA A 60 GLN A 63 0 SHEET 2 A 5 HIS A 54 GLY A 57 -1 N ILE A 55 O MET A 62 SHEET 3 A 5 THR A 82 LEU A 88 1 O GLU A 87 N VAL A 56 SHEET 4 A 5 GLN A 22 SER A 27 1 N GLN A 22 O TYR A 83 SHEET 5 A 5 GLY A 129 THR A 132 1 O LYS A 131 N VAL A 23 LINK OD2 ASP A 149 ZN ZN A 201 1555 1555 2.15 LINK ND1 HIS A 26 ZN ZN A 201 1555 1555 2.18 LINK ND1 HIS A 133 ZN ZN A 201 1555 1555 2.18 LINK ZN ZN A 201 O HOH A 384 1555 1555 2.51 LINK ZN ZN A 201 O HOH A 301 1555 1555 2.52 LINK ZN ZN A 201 O HOH A 423 1555 1555 2.64 CISPEP 1 GLN A 18 PRO A 19 0 3.26 CISPEP 2 ASP A 149 PRO A 150 0 5.10 SITE 1 AC1 6 HIS A 26 HIS A 133 ASP A 149 HOH A 301 SITE 2 AC1 6 HOH A 384 HOH A 423 SITE 1 AC2 4 TRP A 72 GLY A 75 ASN A 79 HOH A 545 CRYST1 50.440 50.440 72.610 90.00 90.00 120.00 P 32 3 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 0.019826 0.011446 0.000000 0.00000 SCALE2 0.000000 0.022893 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013772 0.00000 MASTER 286 0 2 7 5 0 3 6 0 0 0 15 END