HEADER HYDROLASE 28-MAR-14 4CVO TITLE CRYSTAL STRUCTURE OF THE N-TERMINAL COLIED-COIL DOMAIN OF HUMAN DNA TITLE 2 EXCISION REPAIR PROTEIN ERCC-6 COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA EXCISION REPAIR PROTEIN ERCC-6; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-TERMINAL COIED-COIL DOMAIN, RESIDUES 84-160; COMPND 5 SYNONYM: ATP-DEPENDENT HELICASE ERCC6, COCKAYNE SYNDROME PROTEIN CSB; COMPND 6 EC: 3.6.4.-; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) KEYWDS HYDROLASE, COCKAYNE SYNDROME, NUCLEOTIDE EXCISION REPAIR EXPDTA X-RAY DIFFRACTION AUTHOR J.A.NEWMAN,T.KROJER,F.VON DELFT,C.H.ARROWSMITH,A.EDWARDS,C.BOUNTRA, AUTHOR 2 O.GILEADI REVDAT 2 24-JAN-18 4CVO 1 AUTHOR JRNL REVDAT 1 09-APR-14 4CVO 0 JRNL AUTH J.A.NEWMAN,T.KROJER,F.VON DELFT,C.H.ARROWSMITH,A.EDWARDS, JRNL AUTH 2 C.BOUNTRA,O.GILEADI JRNL TITL CRYSTAL STRUCTURE OF THE N-TERMINAL COLIED-COIL DOMAIN OF JRNL TITL 2 HUMAN DNA EXCISION REPAIR PROTEIN ERCC-6 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) 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) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.70 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.100 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 12582 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.237 REMARK 3 R VALUE (WORKING SET) : 0.236 REMARK 3 FREE R VALUE : 0.255 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1051 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 35.7031 - 3.6990 0.99 2550 147 0.2325 0.2688 REMARK 3 2 3.6990 - 2.9365 1.00 2562 129 0.2518 0.2621 REMARK 3 3 2.9365 - 2.5654 1.00 2538 156 0.2258 0.2336 REMARK 3 4 2.5654 - 2.3309 1.00 2531 120 0.2120 0.1800 REMARK 3 5 2.3309 - 2.1639 1.00 2571 125 0.1936 0.2299 REMARK 3 6 2.1639 - 2.0363 1.00 2577 121 0.2386 0.2465 REMARK 3 7 2.0363 - 1.9343 0.99 2541 128 0.2917 0.3101 REMARK 3 8 1.9343 - 1.8501 1.00 2526 125 0.3242 0.3475 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 : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.250 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 28.250 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 38.78 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 78.03 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL 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 : 0.007 523 REMARK 3 ANGLE : 0.925 710 REMARK 3 CHIRALITY : 0.036 90 REMARK 3 PLANARITY : 0.003 94 REMARK 3 DIHEDRAL : 13.122 188 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 40.6334 27.8008 37.3129 REMARK 3 T TENSOR REMARK 3 T11: 0.6256 T22: 0.7935 REMARK 3 T33: 0.5126 T12: 0.4122 REMARK 3 T13: -0.0479 T23: -0.0072 REMARK 3 L TENSOR REMARK 3 L11: 1.5057 L22: 1.6127 REMARK 3 L33: 1.7471 L12: 0.4868 REMARK 3 L13: 0.9550 L23: 0.0410 REMARK 3 S TENSOR REMARK 3 S11: -0.1303 S12: 0.1349 S13: 0.2482 REMARK 3 S21: -0.4376 S22: 0.1314 S23: 0.2012 REMARK 3 S31: -0.9251 S32: -0.0846 S33: -0.3212 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 4CVO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 28-MAR-14. REMARK 100 THE DEPOSITION ID IS D_1290060137. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-JAN-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I03 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97625 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12739 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 45.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 9.800 REMARK 200 R MERGE (I) : 0.06000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 18.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.89 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 10.40 REMARK 200 R MERGE FOR SHELL (I) : 1.15000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.000 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: NULL REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 66.84 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.71 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.6 M MAGNESIUM SULFATE, 0.1 M MES PH REMARK 280 6.6 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 64 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z REMARK 290 5555 Y,-X+Y,Z+1/3 REMARK 290 6555 X-Y,X,Z+2/3 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+1/3 REMARK 290 11555 -X+Y,Y,-Z REMARK 290 12555 X,X-Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 107.08933 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 214.17867 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 107.08933 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 214.17867 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 107.08933 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 214.17867 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 107.08933 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 214.17867 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: 910 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12180 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -14.5 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 74.88800 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 64.85491 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 MG MG A1159 LIES ON A SPECIAL POSITION. REMARK 375 HOH A2003 LIES ON A SPECIAL POSITION. REMARK 375 HOH A2004 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 SER A 82 REMARK 465 MET A 83 REMARK 465 GLU A 84 REMARK 465 PRO A 85 REMARK 465 SER A 86 REMARK 465 ALA A 87 REMARK 465 GLN A 88 REMARK 465 ALA A 89 REMARK 465 PRO A 159 REMARK 465 GLN A 160 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 LEU A 90 CG CD1 CD2 REMARK 470 GLN A 93 CG CD OE1 NE2 REMARK 470 LYS A 131 CD CE NZ REMARK 470 LYS A 152 CE NZ REMARK 470 GLU A 155 CG CD OE1 OE2 REMARK 470 GLN A 156 CG CD OE1 NE2 REMARK 470 SER A 158 OG 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 107 154.59 -42.68 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 GLU A 106 GLN A 107 -139.83 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 MG A1159 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 118 NE2 REMARK 620 2 ASP A 114 OD1 88.8 REMARK 620 3 ASP A 114 OD1 94.1 96.7 REMARK 620 4 HIS A 118 NE2 175.5 94.2 88.9 REMARK 620 5 HOH A2005 O 90.3 175.9 87.4 86.5 REMARK 620 6 HOH A2005 O 86.5 87.3 175.9 90.3 88.6 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 1159 REMARK 999 REMARK 999 SEQUENCE REMARK 999 FIRST TWO RESIDUES REMAIN AFTER CLEAVAGE OF PURIFICATION REMARK 999 TAG DBREF 4CVO A 84 160 UNP Q03468 ERCC6_HUMAN 84 160 SEQADV 4CVO SER A 82 UNP Q03468 EXPRESSION TAG SEQADV 4CVO MET A 83 UNP Q03468 EXPRESSION TAG SEQRES 1 A 79 SER MET GLU PRO SER ALA GLN ALA LEU GLU LEU GLN GLY SEQRES 2 A 79 LEU GLY VAL ASP VAL TYR ASP GLN ASP VAL LEU GLU GLN SEQRES 3 A 79 GLY VAL LEU GLN GLN VAL ASP ASN ALA ILE HIS GLU ALA SEQRES 4 A 79 SER ARG ALA SER GLN LEU VAL ASP VAL GLU LYS GLU TYR SEQRES 5 A 79 ARG SER VAL LEU ASP ASP LEU THR SER CYS THR THR SER SEQRES 6 A 79 LEU ARG GLN ILE ASN LYS ILE ILE GLU GLN LEU SER PRO SEQRES 7 A 79 GLN HET MG A1159 1 HETNAM MG MAGNESIUM ION FORMUL 2 MG MG 2+ FORMUL 3 HOH *27(H2 O) HELIX 1 1 LEU A 92 VAL A 97 5 6 HELIX 2 2 ASP A 101 LEU A 105 5 5 HELIX 3 3 GLY A 108 GLN A 156 1 49 SSBOND 1 CYS A 143 CYS A 143 1555 4875 2.04 LINK MG MG A1159 NE2 HIS A 118 1555 1555 2.27 LINK MG MG A1159 OD1 ASP A 114 1555 1555 2.00 LINK MG MG A1159 OD1 ASP A 114 1555 10775 2.00 LINK MG MG A1159 NE2 HIS A 118 1555 10775 2.27 LINK MG MG A1159 O HOH A2005 1555 1555 2.27 LINK MG MG A1159 O HOH A2005 1555 10775 2.27 SITE 1 AC1 3 ASP A 114 HIS A 118 HOH A2005 CRYST1 37.444 37.444 321.268 90.00 90.00 120.00 P 64 2 2 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 0.026707 0.015419 0.000000 0.00000 SCALE2 0.000000 0.030838 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003113 0.00000