HEADER METAL BINDING PROTEIN 01-OCT-17 5YHZ TITLE STRUCTURE OF LACTOCOCCUS LACTIS ZITR, E41A MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: ZINC TRANSPORT TRANSCRIPTIONAL REGULATOR; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: LACTOCOCCUS LACTIS SUBSP. LACTIS (STRAIN SOURCE 3 IL1403); SOURCE 4 ORGANISM_COMMON: STREPTOCOCCUS LACTIS; SOURCE 5 ORGANISM_TAXID: 272623; SOURCE 6 STRAIN: IL1403; SOURCE 7 GENE: ZITR, L168265; SOURCE 8 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 10 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 11 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PET28B KEYWDS ZINC BINDING PROTEIN, MARR FAMILY, WINGED HELIX-TURN-HELIX, KEYWDS 2 TRANSCRIPTIONAL REGULATOR, METAL BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR Y.SONG,H.LIU,R.ZHU,C.YI,P.CHEN REVDAT 3 22-NOV-23 5YHZ 1 REMARK REVDAT 2 25-DEC-19 5YHZ 1 JRNL REVDAT 1 06-DEC-17 5YHZ 0 JRNL AUTH R.ZHU,Y.SONG,H.LIU,Y.YANG,S.WANG,C.YI,P.R.CHEN JRNL TITL ALLOSTERIC HISTIDINE SWITCH FOR REGULATION OF INTRACELLULAR JRNL TITL 2 ZINC(II) FLUCTUATION. JRNL REF PROC.NATL.ACAD.SCI.USA V. 114 13661 2017 JRNL REFN ESSN 1091-6490 JRNL PMID 29229866 JRNL DOI 10.1073/PNAS.1708563115 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.6.2_432 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.16 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 93.9 REMARK 3 NUMBER OF REFLECTIONS : 15905 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.223 REMARK 3 R VALUE (WORKING SET) : 0.220 REMARK 3 FREE R VALUE : 0.255 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.970 REMARK 3 FREE R VALUE TEST SET COUNT : 1586 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 30.1596 - 4.0904 0.99 1540 164 0.2070 0.2281 REMARK 3 2 4.0904 - 3.2479 1.00 1527 172 0.2017 0.2349 REMARK 3 3 3.2479 - 2.8377 0.98 1491 168 0.2389 0.2495 REMARK 3 4 2.8377 - 2.5784 0.96 1475 160 0.2368 0.3409 REMARK 3 5 2.5784 - 2.3937 0.95 1461 158 0.2268 0.2723 REMARK 3 6 2.3937 - 2.2526 0.94 1407 164 0.2174 0.2695 REMARK 3 7 2.2526 - 2.1398 0.94 1419 158 0.2087 0.2451 REMARK 3 8 2.1398 - 2.0467 0.93 1440 145 0.2449 0.2813 REMARK 3 9 2.0467 - 1.9679 0.89 1344 155 0.2824 0.3045 REMARK 3 10 1.9679 - 1.9000 0.81 1215 142 0.3045 0.4200 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.20 REMARK 3 SHRINKAGE RADIUS : 1.13 REMARK 3 K_SOL : 0.47 REMARK 3 B_SOL : 49.37 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.320 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.770 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) : 6.13920 REMARK 3 B22 (A**2) : -9.96480 REMARK 3 B33 (A**2) : 3.82550 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -1.92440 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.020 1180 REMARK 3 ANGLE : 1.857 1585 REMARK 3 CHIRALITY : 0.110 188 REMARK 3 PLANARITY : 0.008 197 REMARK 3 DIHEDRAL : 16.111 452 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 5YHZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 04-OCT-17. REMARK 100 THE DEPOSITION ID IS D_1300005303. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-SEP-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : BSRF REMARK 200 BEAMLINE : 1W2B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9795 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17200 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.880 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.06200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 19.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.88 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.95 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.80 REMARK 200 R MERGE FOR SHELL (I) : 0.62200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.100 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: 5YHX REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.05M CALCIUM CHLORIDE DIHYDRATE, 0.1M REMARK 280 MES MONOHYDRATE PH 6.0, 45%(V/V) POLYETHYLENE GLYCOL 200, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 38.67850 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 47.11900 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 38.67850 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 47.11900 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4110 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17620 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -47.0 KCAL/MOL 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 367 LIES ON A SPECIAL POSITION. 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 O GLN A 146 O HOH A 301 2.07 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 GLU A 20 -115.81 48.75 REMARK 500 LYS A 35 109.46 -58.36 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 GLU A 24 OE1 REMARK 620 2 GLU A 24 OE2 58.1 REMARK 620 3 HIS A 42 NE2 116.8 99.1 REMARK 620 4 HIS A 108 NE2 122.1 83.9 110.7 REMARK 620 5 HIS A 112 NE2 97.9 153.1 103.1 102.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 202 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 30 SG REMARK 620 2 GLU A 107 OE2 101.2 REMARK 620 3 HIS A 111 NE2 110.4 96.0 REMARK 620 4 HOH A 369 O 120.0 116.8 109.7 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 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MES A 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue PEG A 204 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5YHY RELATED DB: PDB REMARK 900 C30S MUTANT OF THE SAME PROTEIN REMARK 900 RELATED ID: 5YHX RELATED DB: PDB REMARK 900 WILD TYPE OF THE SAME PROTEIN REMARK 900 RELATED ID: 5YI0 RELATED DB: PDB REMARK 900 C30A, H42A MUTANT OF THE SAME PROTEIN REMARK 900 RELATED ID: 5YI1 RELATED DB: PDB REMARK 900 APO FORM OF C30A, H42A MUTANT OF THE SAME PROTEIN REMARK 900 RELATED ID: 5YI3 RELATED DB: PDB REMARK 900 C30S MUTANT OF THE SAME PROTEIN IN COMPLEX WITH DNA REMARK 900 RELATED ID: 5YI2 RELATED DB: PDB REMARK 900 WILD TYPE OF THE SAME PROTEIN IN COMPLEX WITH DNA DBREF 5YHZ A 2 146 UNP Q9CDU5 Q9CDU5_LACLA 1 145 SEQADV 5YHZ GLY A 1 UNP Q9CDU5 EXPRESSION TAG SEQADV 5YHZ ALA A 41 UNP Q9CDU5 GLU 40 ENGINEERED MUTATION SEQRES 1 A 146 GLY MET SER LEU ALA ASN GLN ILE ASP GLN PHE LEU GLY SEQRES 2 A 146 THR ILE MET GLN PHE ALA GLU ASN LYS HIS GLU ILE LEU SEQRES 3 A 146 LEU GLY LYS CYS GLU SER ASP VAL LYS LEU THR SER THR SEQRES 4 A 146 GLN ALA HIS ILE LEU MET LEU LEU ALA GLU GLN ILE SER SEQRES 5 A 146 THR ASN ALA LYS ILE ALA GLU LYS LEU LYS ILE SER PRO SEQRES 6 A 146 ALA ALA VAL THR LYS ALA LEU LYS LYS LEU GLN GLU GLN SEQRES 7 A 146 GLU LEU ILE LYS SER SER ARG ALA THR ASN ASP GLU ARG SEQRES 8 A 146 VAL VAL LEU TRP SER LEU THR GLU LYS ALA VAL PRO VAL SEQRES 9 A 146 ALA LYS GLU HIS ALA THR HIS HIS GLU LYS THR LEU SER SEQRES 10 A 146 THR TYR GLN GLU LEU GLY ASN LYS PHE THR ASP GLU GLU SEQRES 11 A 146 GLN GLU VAL ILE SER LYS PHE LEU SER ALA LEU THR GLU SEQRES 12 A 146 GLU PHE GLN HET ZN A 201 1 HET ZN A 202 1 HET MES A 203 12 HET PEG A 204 7 HETNAM ZN ZINC ION HETNAM MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID HETNAM PEG DI(HYDROXYETHYL)ETHER FORMUL 2 ZN 2(ZN 2+) FORMUL 4 MES C6 H13 N O4 S FORMUL 5 PEG C4 H10 O3 FORMUL 6 HOH *73(H2 O) HELIX 1 AA1 SER A 3 GLU A 20 1 18 HELIX 2 AA2 THR A 37 GLN A 50 1 14 HELIX 3 AA3 ASN A 54 LEU A 61 1 8 HELIX 4 AA4 SER A 64 GLN A 78 1 15 HELIX 5 AA5 ALA A 101 LYS A 125 1 25 HELIX 6 AA6 THR A 127 PHE A 145 1 19 SHEET 1 AA1 3 SER A 52 THR A 53 0 SHEET 2 AA1 3 ASP A 89 LEU A 97 -1 O TRP A 95 N SER A 52 SHEET 3 AA1 3 ILE A 81 ALA A 86 -1 N ALA A 86 O VAL A 92 LINK OE1 GLU A 24 ZN ZN A 201 1555 1555 2.15 LINK OE2 GLU A 24 ZN ZN A 201 1555 1555 2.33 LINK SG CYS A 30 ZN ZN A 202 1555 1555 2.41 LINK NE2 HIS A 42 ZN ZN A 201 1555 1555 2.08 LINK OE2 GLU A 107 ZN ZN A 202 1555 1555 2.23 LINK NE2 HIS A 108 ZN ZN A 201 1555 1555 2.04 LINK NE2 HIS A 111 ZN ZN A 202 1555 1555 2.27 LINK NE2 HIS A 112 ZN ZN A 201 1555 1555 1.79 LINK ZN ZN A 202 O HOH A 369 1555 1555 2.31 SITE 1 AC1 4 GLU A 24 HIS A 42 HIS A 108 HIS A 112 SITE 1 AC2 4 CYS A 30 GLU A 107 HIS A 111 HOH A 369 SITE 1 AC3 8 ASP A 9 GLU A 24 ILE A 25 LEU A 26 SITE 2 AC3 8 HIS A 42 HIS A 112 THR A 115 LEU A 116 SITE 1 AC4 3 ARG A 85 PHE A 126 LYS A 136 CRYST1 77.357 94.238 31.915 90.00 110.10 90.00 C 1 2 1 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 0.012927 0.000000 0.004731 0.00000 SCALE2 0.000000 0.010611 0.000000 0.00000 SCALE3 0.000000 0.000000 0.033366 0.00000