HEADER HYDROLASE 28-MAY-14 4QHF TITLE CRYSTAL STRUCTURE OF METHANOCALDOCOCCUS JANNASCHII MONOMERIC SELECASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: UNCHARACTERIZED PROTEIN MJ1213; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: METHANOCALDOCOCCUS JANNASCHII; SOURCE 3 ORGANISM_TAXID: 243232; SOURCE 4 STRAIN: ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440; SOURCE 5 GENE: MJ1213; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28 KEYWDS MINIGLUZINCIN, PROTEOLYTIC ENZYME, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR M.LOPEZ-PELEGRIN,N.CERDA-COSTA,A.CINTAS-PEDROLA,F.HERRANZ-TRILLO, AUTHOR 2 P.BERNADO,J.R.PEINADO,J.L.AROLAS,F.X.GOMIS-RUTH REVDAT 4 03-APR-24 4QHF 1 REMARK REVDAT 3 20-MAR-24 4QHF 1 REMARK LINK REVDAT 2 22-OCT-14 4QHF 1 JRNL REVDAT 1 16-JUL-14 4QHF 0 JRNL AUTH M.LOPEZ-PELEGRIN,N.CERDA-COSTA,A.CINTAS-PEDROLA, JRNL AUTH 2 F.HERRANZ-TRILLO,P.BERNADO,J.R.PEINADO,J.L.AROLAS, JRNL AUTH 3 F.X.GOMIS-RUTH JRNL TITL MULTIPLE STABLE CONFORMATIONS ACCOUNT FOR REVERSIBLE JRNL TITL 2 CONCENTRATION-DEPENDENT OLIGOMERIZATION AND AUTOINHIBITION JRNL TITL 3 OF A METAMORPHIC METALLOPEPTIDASE JRNL REF ANGEW.CHEM.INT.ED.ENGL. V. 53 10624 2014 JRNL REFN ISSN 1433-7851 JRNL PMID 25159620 JRNL DOI 10.1002/ANIE.201405727 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.11.5 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.70 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 7658 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) : 0.208 REMARK 3 R VALUE (WORKING SET) : 0.208 REMARK 3 FREE R VALUE : 0.281 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.450 REMARK 3 FREE R VALUE TEST SET COUNT : 494 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 : 5 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.20 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.90 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 2102 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2211 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1957 REMARK 3 BIN R VALUE (WORKING SET) : 0.2080 REMARK 3 BIN FREE R VALUE : 0.2810 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 6.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 494 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 : 914 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 58 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 37.95 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 50.25 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.95190 REMARK 3 B22 (A**2) : -7.10010 REMARK 3 B33 (A**2) : 6.14820 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.304 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : NULL REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.223 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : NULL REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.940 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.913 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 933 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 1250 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 466 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 27 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 123 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 933 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : 0 ; 5.000 ; SEMIHARMONIC REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 128 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 1110 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.01 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.98 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 3.46 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: { A|1 - A|76 } REMARK 3 ORIGIN FOR THE GROUP (A): 36.5776 14.6011 -0.5948 REMARK 3 T TENSOR REMARK 3 T11: -0.0973 T22: 0.0140 REMARK 3 T33: 0.0447 T12: -0.0020 REMARK 3 T13: -0.0314 T23: -0.0780 REMARK 3 L TENSOR REMARK 3 L11: 9.5294 L22: 2.2830 REMARK 3 L33: 3.4721 L12: 0.8602 REMARK 3 L13: -2.4016 L23: -0.0804 REMARK 3 S TENSOR REMARK 3 S11: -0.2191 S12: 0.4937 S13: -0.5233 REMARK 3 S21: 0.0038 S22: 0.1172 S23: -0.0468 REMARK 3 S31: 0.2232 S32: -0.0059 S33: 0.1019 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: { A|77 - A|109 } REMARK 3 ORIGIN FOR THE GROUP (A): 25.3378 8.0858 -3.3015 REMARK 3 T TENSOR REMARK 3 T11: -0.0753 T22: 0.1009 REMARK 3 T33: 0.2761 T12: -0.0274 REMARK 3 T13: -0.0161 T23: -0.1015 REMARK 3 L TENSOR REMARK 3 L11: 0.0000 L22: 0.9974 REMARK 3 L33: 2.9311 L12: -0.8860 REMARK 3 L13: -0.6667 L23: -0.1582 REMARK 3 S TENSOR REMARK 3 S11: 0.0294 S12: 0.3415 S13: -0.4341 REMARK 3 S21: -0.0047 S22: -0.1364 S23: 0.0994 REMARK 3 S31: 0.1984 S32: -0.3819 S33: 0.1069 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4QHF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 04-JUN-14. REMARK 100 THE DEPOSITION ID IS D_1000086058. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-JUN-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8726 REMARK 200 MONOCHROMATOR : SI(311) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7658 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 42.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 42.70 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.07000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 17.70 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: DIMERIC SELECASE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.73 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M TRIS-HCL, 0.2M SODIUM ACETATE, REMARK 280 30%(W/V) POLYETHYLENE GLYCOL 4,000, PH 8.5, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 293K 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 25.63000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.67500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.63000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 38.67500 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 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 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 301 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 302 LIES ON A SPECIAL POSITION. 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 LYS A 110 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 GLN A 108 -136.03 72.41 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 NI A 201 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 69 NE2 REMARK 620 2 HIS A 73 NE2 100.7 REMARK 620 3 HIS A 80 NE2 103.2 98.4 REMARK 620 4 HOH A 315 O 80.2 152.0 108.7 REMARK 620 5 HOH A 334 O 124.3 88.4 129.9 69.1 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 NI A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 202 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4JIU RELATED DB: PDB REMARK 900 PYROCOCCUS ABYSSI ABYLYSIN REMARK 900 RELATED ID: 4JIX RELATED DB: PDB REMARK 900 METHANOCALDOCOCCUS JANNASCHII JANNALYSIN REMARK 900 RELATED ID: 4QHG RELATED DB: PDB REMARK 900 METHANOCALDOCOCCUS JANNASCHII DIMERIC SELECASE REMARK 900 RELATED ID: 4QHH RELATED DB: PDB REMARK 900 METHANOCALDOCOCCUS JANNASCHII TETRAMERIC SELECASE REMARK 900 RELATED ID: 4QHI RELATED DB: PDB REMARK 900 METHANOCALDOCOCCUS JANNASCHII SELECASE MUTANT R36W REMARK 900 RELATED ID: 4QHJ RELATED DB: PDB REMARK 900 METHANOCALDOCOCCUS JANNASCHII SELECASE MUTANT I100F+H107F DBREF 4QHF A 1 110 UNP Q58610 Y1213_METJA 1 110 SEQRES 1 A 110 MET LYS ASP ARG LYS ILE LEU ASN GLU ILE LEU SER ASN SEQRES 2 A 110 THR ILE ASN GLU LEU ASN LEU ASN ASP LYS LYS ALA ASN SEQRES 3 A 110 ILE LYS ILE LYS ILE LYS PRO LEU LYS ARG LYS ILE ALA SEQRES 4 A 110 SER ILE SER LEU THR ASN LYS THR ILE TYR ILE ASN LYS SEQRES 5 A 110 ASN ILE LEU PRO TYR LEU SER ASP GLU GLU ILE ARG PHE SEQRES 6 A 110 ILE LEU ALA HIS GLU LEU LEU HIS LEU LYS TYR GLY LYS SEQRES 7 A 110 TYR HIS ILE ASN GLU PHE GLU GLU GLU LEU LEU PHE LEU SEQRES 8 A 110 PHE PRO ASN LYS GLU ALA ILE LEU ILE ASN LEU ILE ASN SEQRES 9 A 110 LYS LEU HIS GLN LYS LYS HET NI A 201 1 HET GOL A 202 6 HETNAM NI NICKEL (II) ION HETNAM GOL GLYCEROL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 NI NI 2+ FORMUL 3 GOL C3 H8 O3 FORMUL 4 HOH *58(H2 O) HELIX 1 1 ASP A 3 LEU A 18 1 16 HELIX 2 2 LEU A 20 LYS A 24 5 5 HELIX 3 3 ILE A 54 LEU A 58 5 5 HELIX 4 4 SER A 59 GLY A 77 1 19 HELIX 5 5 ILE A 81 PHE A 92 1 12 HELIX 6 6 ASN A 94 HIS A 107 1 14 SHEET 1 A 3 LYS A 28 LYS A 32 0 SHEET 2 A 3 THR A 47 ASN A 51 1 O ILE A 48 N LYS A 28 SHEET 3 A 3 ALA A 39 SER A 42 -1 N SER A 42 O THR A 47 LINK NE2 HIS A 69 NI NI A 201 1555 1555 2.14 LINK NE2 HIS A 73 NI NI A 201 1555 1555 2.10 LINK NE2 HIS A 80 NI NI A 201 1555 1555 1.97 LINK NI NI A 201 O HOH A 315 1555 1555 2.55 LINK NI NI A 201 O HOH A 334 1555 1555 2.52 SITE 1 AC1 5 HIS A 69 HIS A 73 HIS A 80 HOH A 315 SITE 2 AC1 5 HOH A 334 SITE 1 AC2 2 TYR A 79 HIS A 80 CRYST1 51.260 77.350 31.110 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 0.019508 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012928 0.000000 0.00000 SCALE3 0.000000 0.000000 0.032144 0.00000