HEADER DE NOVO PROTEIN, METAL BINDING PROTEIN 09-DEC-11 3V1F TITLE CRYSTAL STRUCTURE OF DE NOVO DESIGNED MID1-ZINC H35E MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: COMPUTATIONAL DESIGN, MID1-ZINC H35E MUTANT; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: COMPUTATIONAL REDESIGN OF THE BIOLOGICAL SEQUENCE.; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ARTIFICIAL GENE; SOURCE 3 ORGANISM_TAXID: 32630; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PQE-80L MBP FUSION KEYWDS HELIX-TURN-HELIX, METAL BINDING, HOMODIMER, DE NOVO PROTEIN, METAL KEYWDS 2 BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR B.S.DER,M.MACHIUS,M.J.MILEY,B.KUHLMAN REVDAT 3 13-SEP-23 3V1F 1 REMARK LINK REVDAT 2 07-MAR-12 3V1F 1 JRNL REVDAT 1 11-JAN-12 3V1F 0 JRNL AUTH B.S.DER,M.MACHIUS,M.J.MILEY,J.L.MILLS,T.SZYPERSKI,B.KUHLMAN JRNL TITL METAL-MEDIATED AFFINITY AND ORIENTATION SPECIFICITY IN A JRNL TITL 2 COMPUTATIONALLY DESIGNED PROTEIN HOMODIMER. JRNL REF J.AM.CHEM.SOC. V. 134 375 2012 JRNL REFN ISSN 0002-7863 JRNL PMID 22092237 JRNL DOI 10.1021/JA208015J REMARK 2 REMARK 2 RESOLUTION. 1.15 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.7.3_927) 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) : 1.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 26.35 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 3 NUMBER OF REFLECTIONS : 72476 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.162 REMARK 3 R VALUE (WORKING SET) : 0.161 REMARK 3 FREE R VALUE : 0.186 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.210 REMARK 3 FREE R VALUE TEST SET COUNT : 1870 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 26.3519 - 3.4495 0.94 2451 136 0.2067 0.2480 REMARK 3 2 3.4495 - 2.7389 1.00 2601 148 0.1741 0.2100 REMARK 3 3 2.7389 - 2.3930 1.00 2597 142 0.1585 0.1731 REMARK 3 4 2.3930 - 2.1743 1.00 2620 145 0.1417 0.1418 REMARK 3 5 2.1743 - 2.0185 1.00 2586 142 0.1465 0.1644 REMARK 3 6 2.0185 - 1.8995 1.00 2612 146 0.1428 0.1960 REMARK 3 7 1.8995 - 1.8044 1.00 2603 148 0.1343 0.1414 REMARK 3 8 1.8044 - 1.7259 1.00 2573 140 0.1204 0.1791 REMARK 3 9 1.7259 - 1.6595 1.00 2594 145 0.1237 0.1321 REMARK 3 10 1.6595 - 1.6022 1.00 2605 147 0.1188 0.1428 REMARK 3 11 1.6022 - 1.5521 1.00 2598 143 0.1097 0.1524 REMARK 3 12 1.5521 - 1.5078 1.00 2632 143 0.1088 0.1191 REMARK 3 13 1.5078 - 1.4681 1.00 2606 147 0.1092 0.1488 REMARK 3 14 1.4681 - 1.4323 1.00 2565 145 0.1211 0.1220 REMARK 3 15 1.4323 - 1.3997 1.00 2627 137 0.1310 0.2023 REMARK 3 16 1.3997 - 1.3699 1.00 2575 141 0.1382 0.1706 REMARK 3 17 1.3699 - 1.3425 1.00 2626 145 0.1454 0.1691 REMARK 3 18 1.3425 - 1.3172 1.00 2590 143 0.1600 0.1713 REMARK 3 19 1.3172 - 1.2937 1.00 2586 138 0.1642 0.1768 REMARK 3 20 1.2937 - 1.2717 1.00 2640 141 0.1727 0.1881 REMARK 3 21 1.2717 - 1.2512 1.00 2583 140 0.1885 0.2399 REMARK 3 22 1.2512 - 1.2320 0.99 2587 139 0.1966 0.2426 REMARK 3 23 1.2320 - 1.2138 0.97 2493 137 0.2122 0.2577 REMARK 3 24 1.2138 - 1.1967 0.96 2497 135 0.2294 0.2062 REMARK 3 25 1.1967 - 1.1806 0.91 2383 134 0.2518 0.2276 REMARK 3 26 1.1806 - 1.1652 0.87 2234 121 0.2671 0.2892 REMARK 3 27 1.1652 - 1.1507 0.76 2033 111 0.2730 0.3337 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.47 REMARK 3 K_SOL : 0.41 REMARK 3 B_SOL : 52.72 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.110 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.250 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.07 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.89250 REMARK 3 B22 (A**2) : -5.50550 REMARK 3 B33 (A**2) : 2.61300 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 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 : 0.010 748 REMARK 3 ANGLE : 1.244 1000 REMARK 3 CHIRALITY : 0.068 104 REMARK 3 PLANARITY : 0.006 135 REMARK 3 DIHEDRAL : 14.270 290 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 3V1F COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-DEC-11. REMARK 100 THE DEPOSITION ID IS D_1000069473. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-OCT-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 23-ID-B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 72577 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.151 REMARK 200 RESOLUTION RANGE LOW (A) : 26.345 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : 0.05200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 31.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.16 REMARK 200 COMPLETENESS FOR SHELL (%) : 77.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.50 REMARK 200 R MERGE FOR SHELL (I) : 0.65000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.500 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: PDB ENTRY 1YZM REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.94 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.46 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1-2 MICROLITERS PROTEIN (20 MG/ML, 100 REMARK 280 MM AMMONIUM ACETATE BUFFER) MIXED WITH 1 MICROLITER REMARK 280 CRYSTALLIZATION BUFFER (0.1 M SODIUM ACETATE, PH 4.0, 15% PEG REMARK 280 600, 10% ISOPROPANOL, 5% GLYCEROL), VAPOR DIFFUSION, HANGING REMARK 280 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 18.62050 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 31.13850 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 23.26400 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 31.13850 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 18.62050 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 23.26400 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: 1590 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 5910 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -90.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 GLY A -1 REMARK 465 SER A 0 REMARK 465 SER A 45 REMARK 465 ASP A 46 REMARK 465 GLY B -1 REMARK 465 SER B 0 REMARK 465 GLY B 1 REMARK 465 GLN B 44 REMARK 465 SER B 45 REMARK 465 ASP B 46 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 HE22 GLN A 17 HO1 EDO A 47 1.33 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 ARG A 23 73.88 -103.01 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 B 703 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 12 NE2 REMARK 620 2 HIS A 16 NE2 108.0 REMARK 620 3 GLU B 35 OE2 123.4 103.4 REMARK 620 4 HIS B 39 ND1 110.5 108.9 101.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 704 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 35 OE2 REMARK 620 2 HIS A 39 ND1 101.5 REMARK 620 3 HIS B 12 NE2 124.6 112.4 REMARK 620 4 HIS B 16 NE2 104.6 106.4 105.9 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 704 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 47 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 703 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 47 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1YZM RELATED DB: PDB REMARK 900 THIS DEPOSITION IS A COMPUTATIONAL REDESIGN OF 1YZM. REMARK 900 RELATED ID: 3V1A RELATED DB: PDB REMARK 900 RELATED ID: 3V1B RELATED DB: PDB REMARK 900 RELATED ID: 3V1C RELATED DB: PDB REMARK 900 RELATED ID: 3V1D RELATED DB: PDB REMARK 900 RELATED ID: 3V1E RELATED DB: PDB DBREF 3V1F A -1 46 PDB 3V1F 3V1F -1 46 DBREF 3V1F B -1 46 PDB 3V1F 3V1F -1 46 SEQRES 1 A 48 GLY SER GLY SER PRO LEU ALA GLN GLN ILE LYS ASN ILE SEQRES 2 A 48 HIS SER PHE ILE HIS GLN ALA LYS ALA ALA GLY ARG MET SEQRES 3 A 48 ASP GLU VAL ARG THR LEU GLN GLU ASN LEU GLU GLN LEU SEQRES 4 A 48 MET HIS GLU TYR PHE GLN GLN SER ASP SEQRES 1 B 48 GLY SER GLY SER PRO LEU ALA GLN GLN ILE LYS ASN ILE SEQRES 2 B 48 HIS SER PHE ILE HIS GLN ALA LYS ALA ALA GLY ARG MET SEQRES 3 B 48 ASP GLU VAL ARG THR LEU GLN GLU ASN LEU GLU GLN LEU SEQRES 4 B 48 MET HIS GLU TYR PHE GLN GLN SER ASP HET ZN A 704 1 HET EDO A 47 20 HET ZN B 703 1 HET ACT B 47 14 HETNAM ZN ZINC ION HETNAM EDO 1,2-ETHANEDIOL HETNAM ACT ACETATE ION HETSYN EDO ETHYLENE GLYCOL FORMUL 3 ZN 2(ZN 2+) FORMUL 4 EDO C2 H6 O2 FORMUL 6 ACT C2 H3 O2 1- FORMUL 7 HOH *148(H2 O) HELIX 1 1 SER A 2 ALA A 21 1 20 HELIX 2 2 ARG A 23 GLN A 44 1 22 HELIX 3 3 PRO B 3 ALA B 21 1 19 HELIX 4 4 ARG B 23 PHE B 42 1 20 LINK NE2 HIS A 12 ZN ZN B 703 1555 1555 2.00 LINK NE2 HIS A 16 ZN ZN B 703 1555 1555 2.01 LINK OE2 GLU A 35 ZN ZN A 704 1555 1555 1.96 LINK ND1 HIS A 39 ZN ZN A 704 1555 1555 2.07 LINK ZN ZN A 704 NE2 HIS B 12 1555 1555 2.01 LINK ZN ZN A 704 NE2 HIS B 16 1555 1555 2.03 LINK OE2 GLU B 35 ZN ZN B 703 1555 1555 1.97 LINK ND1 HIS B 39 ZN ZN B 703 1555 1555 2.04 SITE 1 AC1 4 GLU A 35 HIS A 39 HIS B 12 HIS B 16 SITE 1 AC2 5 GLN A 17 HOH A 54 HOH A 98 HOH A 158 SITE 2 AC2 5 LEU B 30 SITE 1 AC3 4 HIS A 12 HIS A 16 GLU B 35 HIS B 39 SITE 1 AC4 7 PHE A 14 LEU A 30 ASN A 33 GLN B 7 SITE 2 AC4 7 ASN B 33 GLN B 36 LEU B 37 CRYST1 37.241 46.528 62.277 90.00 90.00 90.00 P 21 21 21 8 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 0.026852 0.000000 0.000000 0.00000 SCALE2 0.000000 0.021492 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016057 0.00000