HEADER OXIDOREDUCTASE 12-JAN-09 3FST TITLE CRYSTAL STRUCTURE OF ESCHERICHIA COLI METHYLENETETRAHYDROFOLATE TITLE 2 REDUCTASE MUTANT PHE223LEU AT PH 7.4 COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5,10-METHYLENETETRAHYDROFOLATE REDUCTASE; COMPND 3 CHAIN: A, C, E; COMPND 4 EC: 1.5.1.20; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI K-12; SOURCE 3 ORGANISM_TAXID: 83333; SOURCE 4 GENE: METF, B3941, JW3913; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PDTL2 KEYWDS TIM BARREL, FLAVIN, REDUCTASE, AMINO-ACID BIOSYNTHESIS, FAD, KEYWDS 2 FLAVOPROTEIN, METHIONINE BIOSYNTHESIS, NAD, NADP, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR J.J.TANNER REVDAT 3 06-SEP-23 3FST 1 REMARK REVDAT 2 20-OCT-21 3FST 1 REMARK SEQADV REVDAT 1 25-AUG-09 3FST 0 JRNL AUTH M.N.LEE,D.TAKAWIRA,A.P.NIKOLOVA,D.P.BALLOU,V.C.FURTADO, JRNL AUTH 2 N.L.PHUNG,B.R.STILL,M.K.THORSTAD,J.J.TANNER,E.E.TRIMMER JRNL TITL FUNCTIONAL ROLE FOR THE CONFORMATIONALLY MOBILE JRNL TITL 2 PHENYLALANINE 223 IN THE REACTION OF JRNL TITL 3 METHYLENETETRAHYDROFOLATE REDUCTASE FROM ESCHERICHIA COLI. JRNL REF BIOCHEMISTRY V. 48 7673 2009 JRNL REFN ISSN 0006-2960 JRNL PMID 19610625 JRNL DOI 10.1021/BI9007325 REMARK 2 REMARK 2 RESOLUTION. 1.65 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 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) : 1.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 32.14 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 129047 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.211 REMARK 3 R VALUE (WORKING SET) : 0.210 REMARK 3 FREE R VALUE : 0.228 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.020 REMARK 3 FREE R VALUE TEST SET COUNT : 6474 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 32.1500 - 3.5530 0.97 12030 646 0.1960 0.2090 REMARK 3 2 3.5530 - 2.8210 0.99 12268 646 0.2100 0.2050 REMARK 3 3 2.8210 - 2.4640 1.00 12259 676 0.2070 0.2360 REMARK 3 4 2.4640 - 2.2390 1.00 12266 652 0.1960 0.2120 REMARK 3 5 2.2390 - 2.0790 1.00 12375 606 0.1910 0.2250 REMARK 3 6 2.0790 - 1.9560 1.00 12258 649 0.1930 0.2250 REMARK 3 7 1.9560 - 1.8580 1.00 12309 637 0.2050 0.2600 REMARK 3 8 1.8580 - 1.7770 1.00 12254 634 0.2050 0.2390 REMARK 3 9 1.7770 - 1.7090 1.00 12283 664 0.2160 0.2600 REMARK 3 10 1.7090 - 1.6500 1.00 12271 664 0.2400 0.2800 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : 0.38 REMARK 3 B_SOL : 71.79 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.270 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.58 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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 : 0.007 6814 REMARK 3 ANGLE : 1.126 9332 REMARK 3 CHIRALITY : 0.069 1044 REMARK 3 PLANARITY : 0.009 1193 REMARK 3 DIHEDRAL : 23.543 2571 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN A REMARK 3 ORIGIN FOR THE GROUP (A): 31.7554 -20.1790 21.9953 REMARK 3 T TENSOR REMARK 3 T11: 0.1624 T22: 0.1396 REMARK 3 T33: 0.1449 T12: -0.0116 REMARK 3 T13: 0.0387 T23: -0.0188 REMARK 3 L TENSOR REMARK 3 L11: 0.8822 L22: 1.3204 REMARK 3 L33: 1.8161 L12: 0.1634 REMARK 3 L13: -0.4983 L23: -0.6172 REMARK 3 S TENSOR REMARK 3 S11: -0.0102 S12: 0.1437 S13: -0.0263 REMARK 3 S21: -0.1666 S22: 0.0788 S23: -0.0555 REMARK 3 S31: 0.0673 S32: -0.0882 S33: -0.0529 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN C REMARK 3 ORIGIN FOR THE GROUP (A): 8.9810 12.5085 18.4664 REMARK 3 T TENSOR REMARK 3 T11: 0.2135 T22: 0.1388 REMARK 3 T33: 0.1221 T12: 0.0193 REMARK 3 T13: 0.0068 T23: -0.0072 REMARK 3 L TENSOR REMARK 3 L11: 0.9039 L22: 0.2333 REMARK 3 L33: 0.8370 L12: -0.2184 REMARK 3 L13: -0.4564 L23: -0.0084 REMARK 3 S TENSOR REMARK 3 S11: -0.0428 S12: -0.0072 S13: 0.0169 REMARK 3 S21: 0.0250 S22: 0.0087 S23: -0.0142 REMARK 3 S31: 0.0007 S32: -0.0128 S33: 0.0288 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN E REMARK 3 ORIGIN FOR THE GROUP (A): 56.5792 9.1679 25.6596 REMARK 3 T TENSOR REMARK 3 T11: 0.4326 T22: 0.2070 REMARK 3 T33: 0.0816 T12: -0.1892 REMARK 3 T13: 0.1143 T23: -0.0177 REMARK 3 L TENSOR REMARK 3 L11: 1.4314 L22: 1.5786 REMARK 3 L33: 1.3159 L12: 0.8048 REMARK 3 L13: 0.0595 L23: -0.0314 REMARK 3 S TENSOR REMARK 3 S11: -0.3624 S12: 0.3237 S13: -0.1148 REMARK 3 S21: -0.5456 S22: 0.3023 S23: -0.1241 REMARK 3 S31: 0.1122 S32: -0.0604 S33: 0.0489 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 3FST COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-JAN-09. REMARK 100 THE DEPOSITION ID IS D_1000050998. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JUN-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 4.2.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : BEAMLINE 4.2.2 OPTICS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NOIR-1 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : D*TREK REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 129128 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.650 REMARK 200 RESOLUTION RANGE LOW (A) : 34.950 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 3.750 REMARK 200 R MERGE (I) : 0.04500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.71 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.67 REMARK 200 R MERGE FOR SHELL (I) : 0.36300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: PDB ENTRY 1ZP4 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.69 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM SODIUM CACODYLATE BUFFER PH 5.0 REMARK 280 - 5.5, 225 MM LI2SO4, 5 % ETHANOL AND 10 - 12 % PEG 4000, VAPOR REMARK 280 DIFFUSION, TEMPERATURE 298K 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 51.52850 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 64.07850 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 51.52850 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 64.07850 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 -1.000000 0.000000 0.000000 51.00218 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 -1.000000 83.40227 REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C, E 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 C 382 LIES ON A SPECIAL POSITION. REMARK 375 HOH C 407 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 MET A 1 REMARK 465 SER A 2 REMARK 465 PRO A 123 REMARK 465 GLY A 124 REMARK 465 SER A 125 REMARK 465 GLY A 126 REMARK 465 LYS A 127 REMARK 465 PRO A 128 REMARK 465 GLY A 295 REMARK 465 LEU A 296 REMARK 465 LEU A 297 REMARK 465 GLU A 298 REMARK 465 HIS A 299 REMARK 465 HIS A 300 REMARK 465 HIS A 301 REMARK 465 HIS A 302 REMARK 465 HIS A 303 REMARK 465 HIS A 304 REMARK 465 MET C 1 REMARK 465 SER C 2 REMARK 465 PHE C 3 REMARK 465 PHE C 4 REMARK 465 HIS C 5 REMARK 465 ALA C 6 REMARK 465 SER C 7 REMARK 465 GLN C 8 REMARK 465 ARG C 9 REMARK 465 ASP C 10 REMARK 465 ALA C 11 REMARK 465 LEU C 12 REMARK 465 ASN C 13 REMARK 465 GLN C 14 REMARK 465 SER C 15 REMARK 465 LEU C 16 REMARK 465 ALA C 17 REMARK 465 GLU C 18 REMARK 465 VAL C 19 REMARK 465 GLN C 20 REMARK 465 GLY C 21 REMARK 465 LEU C 121 REMARK 465 PRO C 122 REMARK 465 PRO C 123 REMARK 465 GLY C 124 REMARK 465 SER C 125 REMARK 465 GLY C 126 REMARK 465 LYS C 127 REMARK 465 PRO C 128 REMARK 465 GLY C 295 REMARK 465 LEU C 296 REMARK 465 LEU C 297 REMARK 465 GLU C 298 REMARK 465 HIS C 299 REMARK 465 HIS C 300 REMARK 465 HIS C 301 REMARK 465 HIS C 302 REMARK 465 HIS C 303 REMARK 465 HIS C 304 REMARK 465 MET E 1 REMARK 465 SER E 2 REMARK 465 PHE E 3 REMARK 465 GLY E 61 REMARK 465 ALA E 62 REMARK 465 ASN E 63 REMARK 465 SER E 64 REMARK 465 GLY E 65 REMARK 465 GLU E 66 REMARK 465 ARG E 67 REMARK 465 ASP E 68 REMARK 465 ARG E 69 REMARK 465 LEU E 121 REMARK 465 PRO E 122 REMARK 465 PRO E 123 REMARK 465 GLY E 124 REMARK 465 SER E 125 REMARK 465 GLY E 126 REMARK 465 LYS E 127 REMARK 465 PRO E 128 REMARK 465 GLY E 295 REMARK 465 LEU E 296 REMARK 465 LEU E 297 REMARK 465 GLU E 298 REMARK 465 HIS E 299 REMARK 465 HIS E 300 REMARK 465 HIS E 301 REMARK 465 HIS E 302 REMARK 465 HIS E 303 REMARK 465 HIS E 304 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 PHE A 4 CG CD1 CD2 CE1 CE2 CZ REMARK 470 GLN A 8 CG CD OE1 NE2 REMARK 470 GLU A 36 CG CD OE1 OE2 REMARK 470 ARG A 67 CG CD NE CZ NH1 NH2 REMARK 470 LEU A 121 CG CD1 CD2 REMARK 470 GLU A 129 CG CD OE1 OE2 REMARK 470 LYS A 160 CG CD CE NZ REMARK 470 LYS A 222 CG CD CE NZ REMARK 470 ARG A 230 CD NE CZ NH1 NH2 REMARK 470 GLU A 247 CG CD OE1 OE2 REMARK 470 ARG A 279 NE CZ NH1 NH2 REMARK 470 GLN C 22 CG CD OE1 NE2 REMARK 470 GLU C 36 CG CD OE1 OE2 REMARK 470 LYS C 54 CG CD CE NZ REMARK 470 ILE C 92 CG1 CG2 CD1 REMARK 470 GLU C 129 CG CD OE1 OE2 REMARK 470 ARG C 193 CG CD NE CZ NH1 NH2 REMARK 470 LYS C 218 CG CD CE NZ REMARK 470 LYS C 222 CG CD CE NZ REMARK 470 ARG C 230 CG CD NE CZ NH1 NH2 REMARK 470 GLU C 247 CG CD OE1 OE2 REMARK 470 LYS C 262 CE NZ REMARK 470 ARG C 266 CD NE CZ NH1 NH2 REMARK 470 LYS C 270 CE NZ REMARK 470 GLU C 281 CG CD OE1 OE2 REMARK 470 PHE E 4 CG CD1 CD2 CE1 CE2 CZ REMARK 470 HIS E 5 CG ND1 CD2 CE1 NE2 REMARK 470 GLN E 8 CG CD OE1 NE2 REMARK 470 GLN E 22 CG CD OE1 NE2 REMARK 470 SER E 35 OG REMARK 470 GLN E 39 CG CD OE1 NE2 REMARK 470 TYR E 60 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 HIS E 71 CG ND1 CD2 CE1 NE2 REMARK 470 LYS E 75 CG CD CE NZ REMARK 470 LYS E 78 CG CD CE NZ REMARK 470 ILE E 92 CG1 CG2 CD1 REMARK 470 ASP E 93 CG OD1 OD2 REMARK 470 THR E 95 OG1 CG2 REMARK 470 ASP E 97 CG OD1 OD2 REMARK 470 GLU E 98 CG CD OE1 OE2 REMARK 470 ARG E 100 CG CD NE CZ NH1 NH2 REMARK 470 THR E 101 OG1 CG2 REMARK 470 ILE E 102 CG1 CG2 CD1 REMARK 470 ARG E 104 CG CD NE CZ NH1 NH2 REMARK 470 ASP E 105 CG OD1 OD2 REMARK 470 TRP E 107 CG CD1 CD2 NE1 CE2 CE3 CZ2 REMARK 470 TRP E 107 CZ3 CH2 REMARK 470 ASN E 108 CG OD1 ND2 REMARK 470 ARG E 112 CG CD NE CZ NH1 NH2 REMARK 470 ASP E 120 CG OD1 OD2 REMARK 470 GLU E 129 CG CD OE1 OE2 REMARK 470 LEU E 139 CG CD1 CD2 REMARK 470 LYS E 140 CG CD CE NZ REMARK 470 GLU E 141 CG CD OE1 OE2 REMARK 470 LYS E 160 CG CD CE NZ REMARK 470 LYS E 170 CG CD CE NZ REMARK 470 GLU E 189 CD OE1 OE2 REMARK 470 ARG E 193 CG CD NE CZ NH1 NH2 REMARK 470 LYS E 222 CG CD CE NZ REMARK 470 MET E 226 CE REMARK 470 GLU E 247 CG CD OE1 OE2 REMARK 470 GLU E 281 CG CD OE1 OE2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU A 28 CD GLU A 28 OE1 -0.085 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 VAL A 155 127.51 77.19 REMARK 500 GLU C 66 178.95 71.68 REMARK 500 VAL C 155 130.08 79.08 REMARK 500 ASP E 144 55.73 -92.44 REMARK 500 VAL E 155 125.75 76.82 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 FAD A 395 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FAD C 396 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FAD E 397 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MRY C 5321 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 E 305 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 E 306 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 E 307 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3FSU RELATED DB: PDB DBREF 3FST A 1 296 UNP P0AEZ1 METF_ECOLI 1 296 DBREF 3FST C 1 296 UNP P0AEZ1 METF_ECOLI 1 296 DBREF 3FST E 1 296 UNP P0AEZ1 METF_ECOLI 1 296 SEQADV 3FST LEU A 223 UNP P0AEZ1 PHE 223 ENGINEERED MUTATION SEQADV 3FST LEU A 297 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST GLU A 298 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS A 299 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS A 300 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS A 301 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS A 302 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS A 303 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS A 304 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST LEU C 223 UNP P0AEZ1 PHE 223 ENGINEERED MUTATION SEQADV 3FST LEU C 297 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST GLU C 298 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS C 299 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS C 300 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS C 301 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS C 302 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS C 303 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS C 304 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST LEU E 223 UNP P0AEZ1 PHE 223 ENGINEERED MUTATION SEQADV 3FST LEU E 297 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST GLU E 298 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS E 299 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS E 300 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS E 301 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS E 302 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS E 303 UNP P0AEZ1 EXPRESSION TAG SEQADV 3FST HIS E 304 UNP P0AEZ1 EXPRESSION TAG SEQRES 1 A 304 MET SER PHE PHE HIS ALA SER GLN ARG ASP ALA LEU ASN SEQRES 2 A 304 GLN SER LEU ALA GLU VAL GLN GLY GLN ILE ASN VAL SER SEQRES 3 A 304 PHE GLU PHE PHE PRO PRO ARG THR SER GLU MET GLU GLN SEQRES 4 A 304 THR LEU TRP ASN SER ILE ASP ARG LEU SER SER LEU LYS SEQRES 5 A 304 PRO LYS PHE VAL SER VAL THR TYR GLY ALA ASN SER GLY SEQRES 6 A 304 GLU ARG ASP ARG THR HIS SER ILE ILE LYS GLY ILE LYS SEQRES 7 A 304 ASP ARG THR GLY LEU GLU ALA ALA PRO HIS LEU THR CYS SEQRES 8 A 304 ILE ASP ALA THR PRO ASP GLU LEU ARG THR ILE ALA ARG SEQRES 9 A 304 ASP TYR TRP ASN ASN GLY ILE ARG HIS ILE VAL ALA LEU SEQRES 10 A 304 ARG GLY ASP LEU PRO PRO GLY SER GLY LYS PRO GLU MET SEQRES 11 A 304 TYR ALA SER ASP LEU VAL THR LEU LEU LYS GLU VAL ALA SEQRES 12 A 304 ASP PHE ASP ILE SER VAL ALA ALA TYR PRO GLU VAL HIS SEQRES 13 A 304 PRO GLU ALA LYS SER ALA GLN ALA ASP LEU LEU ASN LEU SEQRES 14 A 304 LYS ARG LYS VAL ASP ALA GLY ALA ASN ARG ALA ILE THR SEQRES 15 A 304 GLN PHE PHE PHE ASP VAL GLU SER TYR LEU ARG PHE ARG SEQRES 16 A 304 ASP ARG CYS VAL SER ALA GLY ILE ASP VAL GLU ILE ILE SEQRES 17 A 304 PRO GLY ILE LEU PRO VAL SER ASN PHE LYS GLN ALA LYS SEQRES 18 A 304 LYS LEU ALA ASP MET THR ASN VAL ARG ILE PRO ALA TRP SEQRES 19 A 304 MET ALA GLN MET PHE ASP GLY LEU ASP ASP ASP ALA GLU SEQRES 20 A 304 THR ARG LYS LEU VAL GLY ALA ASN ILE ALA MET ASP MET SEQRES 21 A 304 VAL LYS ILE LEU SER ARG GLU GLY VAL LYS ASP PHE HIS SEQRES 22 A 304 PHE TYR THR LEU ASN ARG ALA GLU MET SER TYR ALA ILE SEQRES 23 A 304 CYS HIS THR LEU GLY VAL ARG PRO GLY LEU LEU GLU HIS SEQRES 24 A 304 HIS HIS HIS HIS HIS SEQRES 1 C 304 MET SER PHE PHE HIS ALA SER GLN ARG ASP ALA LEU ASN SEQRES 2 C 304 GLN SER LEU ALA GLU VAL GLN GLY GLN ILE ASN VAL SER SEQRES 3 C 304 PHE GLU PHE PHE PRO PRO ARG THR SER GLU MET GLU GLN SEQRES 4 C 304 THR LEU TRP ASN SER ILE ASP ARG LEU SER SER LEU LYS SEQRES 5 C 304 PRO LYS PHE VAL SER VAL THR TYR GLY ALA ASN SER GLY SEQRES 6 C 304 GLU ARG ASP ARG THR HIS SER ILE ILE LYS GLY ILE LYS SEQRES 7 C 304 ASP ARG THR GLY LEU GLU ALA ALA PRO HIS LEU THR CYS SEQRES 8 C 304 ILE ASP ALA THR PRO ASP GLU LEU ARG THR ILE ALA ARG SEQRES 9 C 304 ASP TYR TRP ASN ASN GLY ILE ARG HIS ILE VAL ALA LEU SEQRES 10 C 304 ARG GLY ASP LEU PRO PRO GLY SER GLY LYS PRO GLU MET SEQRES 11 C 304 TYR ALA SER ASP LEU VAL THR LEU LEU LYS GLU VAL ALA SEQRES 12 C 304 ASP PHE ASP ILE SER VAL ALA ALA TYR PRO GLU VAL HIS SEQRES 13 C 304 PRO GLU ALA LYS SER ALA GLN ALA ASP LEU LEU ASN LEU SEQRES 14 C 304 LYS ARG LYS VAL ASP ALA GLY ALA ASN ARG ALA ILE THR SEQRES 15 C 304 GLN PHE PHE PHE ASP VAL GLU SER TYR LEU ARG PHE ARG SEQRES 16 C 304 ASP ARG CYS VAL SER ALA GLY ILE ASP VAL GLU ILE ILE SEQRES 17 C 304 PRO GLY ILE LEU PRO VAL SER ASN PHE LYS GLN ALA LYS SEQRES 18 C 304 LYS LEU ALA ASP MET THR ASN VAL ARG ILE PRO ALA TRP SEQRES 19 C 304 MET ALA GLN MET PHE ASP GLY LEU ASP ASP ASP ALA GLU SEQRES 20 C 304 THR ARG LYS LEU VAL GLY ALA ASN ILE ALA MET ASP MET SEQRES 21 C 304 VAL LYS ILE LEU SER ARG GLU GLY VAL LYS ASP PHE HIS SEQRES 22 C 304 PHE TYR THR LEU ASN ARG ALA GLU MET SER TYR ALA ILE SEQRES 23 C 304 CYS HIS THR LEU GLY VAL ARG PRO GLY LEU LEU GLU HIS SEQRES 24 C 304 HIS HIS HIS HIS HIS SEQRES 1 E 304 MET SER PHE PHE HIS ALA SER GLN ARG ASP ALA LEU ASN SEQRES 2 E 304 GLN SER LEU ALA GLU VAL GLN GLY GLN ILE ASN VAL SER SEQRES 3 E 304 PHE GLU PHE PHE PRO PRO ARG THR SER GLU MET GLU GLN SEQRES 4 E 304 THR LEU TRP ASN SER ILE ASP ARG LEU SER SER LEU LYS SEQRES 5 E 304 PRO LYS PHE VAL SER VAL THR TYR GLY ALA ASN SER GLY SEQRES 6 E 304 GLU ARG ASP ARG THR HIS SER ILE ILE LYS GLY ILE LYS SEQRES 7 E 304 ASP ARG THR GLY LEU GLU ALA ALA PRO HIS LEU THR CYS SEQRES 8 E 304 ILE ASP ALA THR PRO ASP GLU LEU ARG THR ILE ALA ARG SEQRES 9 E 304 ASP TYR TRP ASN ASN GLY ILE ARG HIS ILE VAL ALA LEU SEQRES 10 E 304 ARG GLY ASP LEU PRO PRO GLY SER GLY LYS PRO GLU MET SEQRES 11 E 304 TYR ALA SER ASP LEU VAL THR LEU LEU LYS GLU VAL ALA SEQRES 12 E 304 ASP PHE ASP ILE SER VAL ALA ALA TYR PRO GLU VAL HIS SEQRES 13 E 304 PRO GLU ALA LYS SER ALA GLN ALA ASP LEU LEU ASN LEU SEQRES 14 E 304 LYS ARG LYS VAL ASP ALA GLY ALA ASN ARG ALA ILE THR SEQRES 15 E 304 GLN PHE PHE PHE ASP VAL GLU SER TYR LEU ARG PHE ARG SEQRES 16 E 304 ASP ARG CYS VAL SER ALA GLY ILE ASP VAL GLU ILE ILE SEQRES 17 E 304 PRO GLY ILE LEU PRO VAL SER ASN PHE LYS GLN ALA LYS SEQRES 18 E 304 LYS LEU ALA ASP MET THR ASN VAL ARG ILE PRO ALA TRP SEQRES 19 E 304 MET ALA GLN MET PHE ASP GLY LEU ASP ASP ASP ALA GLU SEQRES 20 E 304 THR ARG LYS LEU VAL GLY ALA ASN ILE ALA MET ASP MET SEQRES 21 E 304 VAL LYS ILE LEU SER ARG GLU GLY VAL LYS ASP PHE HIS SEQRES 22 E 304 PHE TYR THR LEU ASN ARG ALA GLU MET SER TYR ALA ILE SEQRES 23 E 304 CYS HIS THR LEU GLY VAL ARG PRO GLY LEU LEU GLU HIS SEQRES 24 E 304 HIS HIS HIS HIS HIS HET FAD A 395 53 HET FAD C 396 53 HET MRY C5321 16 HET FAD E 397 53 HET SO4 E 305 5 HET SO4 E 306 5 HET SO4 E 307 5 HETNAM FAD FLAVIN-ADENINE DINUCLEOTIDE HETNAM MRY MESO-ERYTHRITOL HETNAM SO4 SULFATE ION FORMUL 4 FAD 3(C27 H33 N9 O15 P2) FORMUL 6 MRY C4 H10 O4 FORMUL 8 SO4 3(O4 S 2-) FORMUL 11 HOH *456(H2 O) HELIX 1 1 PHE A 3 GLU A 18 1 16 HELIX 2 2 THR A 34 SER A 50 1 17 HELIX 3 3 GLU A 66 GLY A 82 1 17 HELIX 4 4 THR A 95 ASN A 109 1 15 HELIX 5 5 TYR A 131 ALA A 143 1 13 HELIX 6 6 SER A 161 GLY A 176 1 16 HELIX 7 7 ASP A 187 ALA A 201 1 15 HELIX 8 8 ASN A 216 THR A 227 1 12 HELIX 9 9 PRO A 232 ASP A 240 1 9 HELIX 10 10 ASP A 245 GLU A 267 1 23 HELIX 11 11 ALA A 280 LEU A 290 1 11 HELIX 12 12 THR C 34 SER C 50 1 17 HELIX 13 13 GLY C 65 GLY C 82 1 18 HELIX 14 14 THR C 95 ASN C 109 1 15 HELIX 15 15 TYR C 131 ALA C 143 1 13 HELIX 16 16 SER C 161 ALA C 175 1 15 HELIX 17 17 ASP C 187 ALA C 201 1 15 HELIX 18 18 ASN C 216 THR C 227 1 12 HELIX 19 19 PRO C 232 ASP C 240 1 9 HELIX 20 20 ASP C 245 GLU C 267 1 23 HELIX 21 21 ALA C 280 LEU C 290 1 11 HELIX 22 22 PHE E 4 VAL E 19 1 16 HELIX 23 23 THR E 34 SER E 50 1 17 HELIX 24 24 THR E 70 GLY E 82 1 13 HELIX 25 25 THR E 95 ASN E 108 1 14 HELIX 26 26 TYR E 131 ALA E 143 1 13 HELIX 27 27 SER E 161 ALA E 175 1 15 HELIX 28 28 ASP E 187 ALA E 201 1 15 HELIX 29 29 ASN E 216 ASN E 228 1 13 HELIX 30 30 PRO E 232 ASP E 240 1 9 HELIX 31 31 ASP E 245 GLU E 267 1 23 HELIX 32 32 ALA E 280 LEU E 290 1 11 SHEET 1 A 9 ILE A 207 ILE A 208 0 SHEET 2 A 9 ARG A 179 THR A 182 1 N THR A 182 O ILE A 208 SHEET 3 A 9 ASP A 146 ALA A 151 1 N VAL A 149 O ILE A 181 SHEET 4 A 9 HIS A 113 LEU A 117 1 N ILE A 114 O ASP A 146 SHEET 5 A 9 ALA A 85 THR A 90 1 N LEU A 89 O LEU A 117 SHEET 6 A 9 PHE A 55 VAL A 58 1 N VAL A 56 O ALA A 86 SHEET 7 A 9 ASN A 24 PHE A 29 1 N PHE A 29 O SER A 57 SHEET 8 A 9 ASP A 271 TYR A 275 1 O PHE A 274 N GLU A 28 SHEET 9 A 9 GLY A 210 ILE A 211 1 N ILE A 211 O HIS A 273 SHEET 1 B 9 GLU C 206 ILE C 208 0 SHEET 2 B 9 ARG C 179 THR C 182 1 N ALA C 180 O ILE C 208 SHEET 3 B 9 ASP C 146 ALA C 151 1 N VAL C 149 O ILE C 181 SHEET 4 B 9 HIS C 113 LEU C 117 1 N ILE C 114 O ASP C 146 SHEET 5 B 9 ALA C 85 THR C 90 1 N LEU C 89 O LEU C 117 SHEET 6 B 9 PHE C 55 VAL C 58 1 N VAL C 56 O ALA C 86 SHEET 7 B 9 ASN C 24 PHE C 29 1 N PHE C 29 O SER C 57 SHEET 8 B 9 ASP C 271 TYR C 275 1 O PHE C 274 N SER C 26 SHEET 9 B 9 GLY C 210 ILE C 211 1 N ILE C 211 O HIS C 273 SHEET 1 C 9 ILE E 207 ILE E 208 0 SHEET 2 C 9 ARG E 179 THR E 182 1 N THR E 182 O ILE E 208 SHEET 3 C 9 ASP E 146 ALA E 151 1 N VAL E 149 O ILE E 181 SHEET 4 C 9 HIS E 113 LEU E 117 1 N ILE E 114 O ASP E 146 SHEET 5 C 9 ALA E 85 THR E 90 1 N LEU E 89 O VAL E 115 SHEET 6 C 9 PHE E 55 VAL E 58 1 N VAL E 56 O ALA E 86 SHEET 7 C 9 ASN E 24 PHE E 29 1 N PHE E 29 O SER E 57 SHEET 8 C 9 ASP E 271 TYR E 275 1 O PHE E 274 N SER E 26 SHEET 9 C 9 GLY E 210 ILE E 211 1 N ILE E 211 O HIS E 273 SITE 1 AC1 28 THR A 59 TYR A 60 ALA A 62 HIS A 88 SITE 2 AC1 28 LEU A 117 ARG A 118 GLY A 119 ASP A 120 SITE 3 AC1 28 TYR A 131 ALA A 132 ALA A 150 TYR A 152 SITE 4 AC1 28 HIS A 156 GLU A 158 ALA A 159 ASP A 165 SITE 5 AC1 28 ASN A 168 ARG A 171 LYS A 172 ILE A 181 SITE 6 AC1 28 GLN A 183 TYR A 275 HOH A 322 HOH A 336 SITE 7 AC1 28 HOH A 363 HOH A 367 HOH A 402 HOH A 438 SITE 1 AC2 30 THR C 59 TYR C 60 HIS C 88 LEU C 117 SITE 2 AC2 30 ARG C 118 GLY C 119 ASP C 120 TYR C 131 SITE 3 AC2 30 ALA C 132 ALA C 150 TYR C 152 HIS C 156 SITE 4 AC2 30 GLU C 158 ALA C 159 ASP C 165 ASN C 168 SITE 5 AC2 30 ARG C 171 LYS C 172 ILE C 181 GLN C 183 SITE 6 AC2 30 TYR C 275 HOH C 340 HOH C 343 HOH C 375 SITE 7 AC2 30 HOH C 393 HOH C 450 HOH C 488 HOH C 491 SITE 8 AC2 30 HOH C 517 MRY C5321 SITE 1 AC3 23 THR E 59 TYR E 60 HIS E 88 THR E 90 SITE 2 AC3 23 LEU E 117 ARG E 118 GLY E 119 ASP E 120 SITE 3 AC3 23 TYR E 131 ALA E 132 ALA E 150 TYR E 152 SITE 4 AC3 23 HIS E 156 ALA E 159 ASP E 165 ASN E 168 SITE 5 AC3 23 ARG E 171 LYS E 172 ILE E 181 GLN E 183 SITE 6 AC3 23 TYR E 275 HOH E 315 HOH E 447 SITE 1 AC4 9 GLU C 28 GLN C 183 PHE C 184 TYR C 275 SITE 2 AC4 9 LEU C 277 HOH C 360 HOH C 394 FAD C 396 SITE 3 AC4 9 HOH C 459 SITE 1 AC5 5 ARG E 230 PRO E 232 ALA E 233 TRP E 234 SITE 2 AC5 5 HOH E 465 SITE 1 AC6 6 ARG A 279 ALA A 280 GLU A 281 HOH A 318 SITE 2 AC6 6 HOH A 426 HOH E 520 SITE 1 AC7 6 SER E 44 ARG E 279 ALA E 280 GLU E 281 SITE 2 AC7 6 HOH E 329 HOH E 521 CRYST1 103.057 128.157 98.314 90.00 121.97 90.00 C 1 2 1 12 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 0.009703 0.000000 0.006056 0.00000 SCALE2 0.000000 0.007803 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011990 0.00000