HEADER HYDROLASE 26-JAN-04 1V9H TITLE CRYSTAL STRUCTURE OF THE RNASE MC1 MUTANT Y101A IN COMPLEX WITH 5'-UMP COMPND MOL_ID: 1; COMPND 2 MOLECULE: RIBONUCLEASE MC; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: RIBONUCLEASE MC1, RNASE MC; COMPND 5 EC: 3.1.27.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MOMORDICA CHARANTIA; SOURCE 3 ORGANISM_COMMON: BALSAM PEAR; SOURCE 4 ORGANISM_TAXID: 3673; SOURCE 5 EXPRESSION_SYSTEM: PICHIA PASTORIS; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 4922; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PPIC9K KEYWDS HYDOLASE, NUCLEIC ACID, RNA, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR K.KIMURA,T.NUMATA,Y.KAKUTA,M.KIMURA REVDAT 6 16-OCT-24 1V9H 1 REMARK REVDAT 5 25-OCT-23 1V9H 1 REMARK REVDAT 4 10-NOV-21 1V9H 1 REMARK SEQADV REVDAT 3 04-OCT-17 1V9H 1 REMARK REVDAT 2 24-FEB-09 1V9H 1 VERSN REVDAT 1 05-OCT-04 1V9H 0 JRNL AUTH K.KIMURA,T.NUMATA,Y.KAKUTA,M.KIMURA JRNL TITL AMINO ACIDS CONSERVED AT THE C-TERMINAL HALF OF THE JRNL TITL 2 RIBONUCLEASE T2 FAMILY CONTRIBUTE TO PROTEIN STABILITY OF JRNL TITL 3 THE ENZYMES JRNL REF BIOSCI.BIOTECHNOL.BIOCHEM. V. 68 1748 2004 JRNL REFN ISSN 0916-8451 JRNL PMID 15322360 JRNL DOI 10.1271/BBB.68.1748 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.20 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 517784.420 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.2 REMARK 3 NUMBER OF REFLECTIONS : 16986 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 SET) : 0.210 REMARK 3 FREE R VALUE : 0.257 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 824 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.009 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.13 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2601 REMARK 3 BIN R VALUE (WORKING SET) : 0.1930 REMARK 3 BIN FREE R VALUE : 0.2660 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 112 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.025 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1517 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 36 REMARK 3 SOLVENT ATOMS : 112 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.51000 REMARK 3 B22 (A**2) : -0.05000 REMARK 3 B33 (A**2) : -2.47000 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) : 0.22 REMARK 3 ESD FROM SIGMAA (A) : 0.04 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.27 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.10 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.800 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.40 REMARK 3 BSOL : 44.71 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER.PARAM REMARK 3 PARAMETER FILE 3 : SO4_XPLOR.PARAM REMARK 3 PARAMETER FILE 4 : U5P_XPLOR.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : SO4_XPLOR.TOP REMARK 3 TOPOLOGY FILE 4 : U5P_XPLOR.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1V9H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 28-JAN-04. REMARK 100 THE DEPOSITION ID IS D_1000006374. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-NOV-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL41XU REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MAR REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17372 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 6.900 REMARK 200 R MERGE (I) : 0.10900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 14.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 7.00 REMARK 200 R MERGE FOR SHELL (I) : 0.24200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 8.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1BK7 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.67 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.68 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.0M AMMONIUM SULFATE, 100MM SODIUM REMARK 280 ACETATE, PH 4.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 26.33750 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 38.19650 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.99800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 38.19650 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.33750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 30.99800 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 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 GLU A -6 REMARK 465 ALA A -5 REMARK 465 GLU A -4 REMARK 465 ALA A -3 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 18 57.20 -117.01 REMARK 500 LYS A 19 3.40 -60.44 REMARK 500 PRO A 49 75.73 -69.77 REMARK 500 ASN A 126 14.90 -154.00 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE U5P A 1001 DBREF 1V9H A 1 190 UNP P23540 RNMC_MOMCH 1 191 SEQADV 1V9H GLU A -6 UNP P23540 CLONING ARTIFACT SEQADV 1V9H ALA A -5 UNP P23540 CLONING ARTIFACT SEQADV 1V9H GLU A -4 UNP P23540 CLONING ARTIFACT SEQADV 1V9H ALA A -3 UNP P23540 CLONING ARTIFACT SEQADV 1V9H TYR A -2 UNP P23540 CLONING ARTIFACT SEQADV 1V9H VAL A -1 UNP P23540 CLONING ARTIFACT SEQADV 1V9H GLU A 0 UNP P23540 CLONING ARTIFACT SEQADV 1V9H GLN A 40 UNP P23540 GLY 40 SEE REMARK 999 SEQADV 1V9H A UNP P23540 GLN 50 DELETION SEQADV 1V9H ALA A 101 UNP P23540 TYR 102 ENGINEERED MUTATION SEQADV 1V9H GLU A 164 UNP P23540 GLN 165 SEE REMARK 999 SEQRES 1 A 197 GLU ALA GLU ALA TYR VAL GLU PHE ASP SER PHE TRP PHE SEQRES 2 A 197 VAL GLN GLN TRP PRO PRO ALA VAL CYS SER PHE GLN LYS SEQRES 3 A 197 SER GLY SER CYS PRO GLY SER GLY LEU ARG THR PHE THR SEQRES 4 A 197 ILE HIS GLY LEU TRP PRO GLN GLN SER GLY THR SER LEU SEQRES 5 A 197 THR ASN CYS PRO GLY SER PRO PHE ASP ILE THR LYS ILE SEQRES 6 A 197 SER HIS LEU GLN SER GLN LEU ASN THR LEU TRP PRO ASN SEQRES 7 A 197 VAL LEU ARG ALA ASN ASN GLN GLN PHE TRP SER HIS GLU SEQRES 8 A 197 TRP THR LYS HIS GLY THR CYS SER GLU SER THR PHE ASN SEQRES 9 A 197 GLN ALA ALA ALA PHE LYS LEU ALA VAL ASP MET ARG ASN SEQRES 10 A 197 ASN TYR ASP ILE ILE GLY ALA LEU ARG PRO HIS ALA ALA SEQRES 11 A 197 GLY PRO ASN GLY ARG THR LYS SER ARG GLN ALA ILE LYS SEQRES 12 A 197 GLY PHE LEU LYS ALA LYS PHE GLY LYS PHE PRO GLY LEU SEQRES 13 A 197 ARG CYS ARG THR ASP PRO GLN THR LYS VAL SER TYR LEU SEQRES 14 A 197 VAL GLU VAL VAL ALA CYS PHE ALA GLN ASP GLY SER THR SEQRES 15 A 197 LEU ILE ASP CYS THR ARG ASP THR CYS GLY ALA ASN PHE SEQRES 16 A 197 ILE PHE HET SO4 A 301 5 HET SO4 A 302 5 HET SO4 A 303 5 HET U5P A1001 21 HETNAM SO4 SULFATE ION HETNAM U5P URIDINE-5'-MONOPHOSPHATE FORMUL 2 SO4 3(O4 S 2-) FORMUL 5 U5P C9 H13 N2 O9 P FORMUL 6 HOH *112(H2 O) HELIX 1 1 TRP A 10 PHE A 17 1 8 HELIX 2 2 ASP A 54 SER A 59 5 6 HELIX 3 3 LEU A 61 TRP A 69 1 9 HELIX 4 4 ASN A 76 HIS A 88 1 13 HELIX 5 5 GLY A 89 GLU A 93 5 5 HELIX 6 6 ASN A 97 ASN A 111 1 15 HELIX 7 7 ASP A 113 ARG A 119 1 7 HELIX 8 8 PRO A 120 ALA A 122 5 3 HELIX 9 9 ARG A 132 GLY A 144 1 13 SHEET 1 A 5 THR A 43 SER A 44 0 SHEET 2 A 5 THR A 32 GLN A 40 -1 N GLN A 40 O THR A 43 SHEET 3 A 5 SER A 3 GLN A 9 -1 N SER A 3 O GLN A 39 SHEET 4 A 5 SER A 160 ALA A 170 -1 O ALA A 167 N PHE A 6 SHEET 5 A 5 GLY A 148 THR A 153 -1 N GLY A 148 O VAL A 166 SHEET 1 B 5 THR A 43 SER A 44 0 SHEET 2 B 5 THR A 32 GLN A 40 -1 N GLN A 40 O THR A 43 SHEET 3 B 5 SER A 3 GLN A 9 -1 N SER A 3 O GLN A 39 SHEET 4 B 5 SER A 160 ALA A 170 -1 O ALA A 167 N PHE A 6 SHEET 5 B 5 LEU A 176 ILE A 177 -1 O ILE A 177 N CYS A 168 SHEET 1 C 2 ARG A 128 SER A 131 0 SHEET 2 C 2 ASN A 187 PHE A 190 -1 O PHE A 188 N LYS A 130 SSBOND 1 CYS A 15 CYS A 23 1555 1555 2.03 SSBOND 2 CYS A 48 CYS A 91 1555 1555 2.05 SSBOND 3 CYS A 151 CYS A 184 1555 1555 2.03 SSBOND 4 CYS A 168 CYS A 179 1555 1555 2.04 SITE 1 AC1 9 PRO A 52 PHE A 53 THR A 86 ARG A 132 SITE 2 AC1 9 GLY A 185 ALA A 186 HOH A1030 HOH A1043 SITE 3 AC1 9 HOH A1068 SITE 1 AC2 6 GLY A 35 LEU A 36 TRP A 69 GLU A 84 SITE 2 AC2 6 TRP A 85 GLY A 89 SITE 1 AC3 4 ASN A 47 HIS A 83 LYS A 87 HOH A1083 SITE 1 AC4 15 GLN A 9 HIS A 34 ASN A 71 VAL A 72 SITE 2 AC4 15 LEU A 73 ARG A 74 PHE A 80 HIS A 83 SITE 3 AC4 15 GLU A 84 LYS A 87 HIS A 88 HOH A1039 SITE 4 AC4 15 HOH A1050 HOH A1055 HOH A1077 CRYST1 52.675 61.996 76.393 90.00 90.00 90.00 P 21 21 21 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 0.018984 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016130 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013090 0.00000