HEADER DNA BINDING PROTEIN 02-APR-21 7MCR TITLE HUMAN APEX/REF1 HOMODIMER FORMED UNDER OXIDATIVE CONDITION CAVEAT 7MCR MG A 401 HAS AN OCCUPANCY OF 0. COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA-(APURINIC OR APYRIMIDINIC SITE) ENDONUCLEASE, COMPND 3 MITOCHONDRIAL; COMPND 4 CHAIN: A; COMPND 5 SYNONYM: APEX/REF1; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: APEX1, APE, APE1, APEX, APX, HAP1, REF1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HUMAN APEX/REF1, DNA BINDING PROTEIN, DNASE I, METAL ION BINDING EXPDTA X-RAY DIFFRACTION AUTHOR Y.W.NAM,S.YANG REVDAT 2 18-OCT-23 7MCR 1 REMARK REVDAT 1 06-APR-22 7MCR 0 JRNL AUTH Y.W.NAM,E.B.KHANJANI,S.FONG,S.CHAWLA,S.RAHIGHI,K.PARANG, JRNL AUTH 2 M.ZHANG,S.YANG JRNL TITL THE DEVELOPMENT OF NOVEL APURINIC/APRYMIDINIC JRNL TITL 2 ENDONUCLEASE/REDOX-FACTOR 1 INHIBITORS FOR THE TREATMENT OF JRNL TITL 3 HUMAN MELANOMA JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.13_2998 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) : 27.84 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 91.0 REMARK 3 NUMBER OF REFLECTIONS : 19145 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.170 REMARK 3 R VALUE (WORKING SET) : 0.163 REMARK 3 FREE R VALUE : 0.233 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.430 REMARK 3 FREE R VALUE TEST SET COUNT : 1805 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 4.8000 - 4.4622 0.98 1471 167 0.1541 0.1820 REMARK 3 2 4.4622 - 3.5441 0.99 1482 151 0.1304 0.1888 REMARK 3 3 3.5441 - 3.0967 0.99 1458 145 0.1440 0.2027 REMARK 3 4 3.0967 - 2.8139 0.99 1434 156 0.1670 0.2485 REMARK 3 5 2.8139 - 2.6124 0.97 1432 147 0.1768 0.2459 REMARK 3 6 2.6124 - 2.4584 0.94 1374 139 0.1756 0.2778 REMARK 3 7 2.4584 - 2.3354 0.94 1379 144 0.1733 0.2835 REMARK 3 8 2.3354 - 2.2338 0.92 1315 145 0.1737 0.2561 REMARK 3 9 2.2338 - 2.1478 0.90 1315 128 0.1724 0.2804 REMARK 3 10 2.1478 - 2.0737 0.86 1253 153 0.1719 0.2450 REMARK 3 11 2.0737 - 2.0089 0.83 1206 103 0.1792 0.2619 REMARK 3 12 2.0089 - 1.9515 0.78 1135 111 0.2060 0.2551 REMARK 3 13 1.9515 - 1.9001 0.74 1086 116 0.2385 0.3235 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) : 0.220 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.810 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.43 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.60 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 : 0.006 2251 REMARK 3 ANGLE : 0.871 3053 REMARK 3 CHIRALITY : 0.049 322 REMARK 3 PLANARITY : 0.005 396 REMARK 3 DIHEDRAL : 3.142 1353 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): 7.8199 -0.6453 18.5980 REMARK 3 T TENSOR REMARK 3 T11: 0.0349 T22: 0.0442 REMARK 3 T33: 0.0446 T12: 0.0167 REMARK 3 T13: 0.0045 T23: -0.0031 REMARK 3 L TENSOR REMARK 3 L11: 0.6470 L22: 1.2003 REMARK 3 L33: 1.3443 L12: 0.0321 REMARK 3 L13: 0.3292 L23: 0.0966 REMARK 3 S TENSOR REMARK 3 S11: 0.0278 S12: -0.0123 S13: 0.0002 REMARK 3 S21: 0.0649 S22: -0.0180 S23: -0.0081 REMARK 3 S31: 0.0425 S32: -0.0213 S33: 0.0013 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 7MCR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB. REMARK 100 THE DEPOSITION ID IS D_1000255913. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-JUL-19 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : BRUKER TURBO X-RAY SOURCE REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : BRUKER PHOTON II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XPREP REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21090 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 27.843 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.9 REMARK 200 DATA REDUNDANCY IN SHELL : 2.50 REMARK 200 R MERGE FOR SHELL (I) : 0.67400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.800 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: 5CFG REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.42 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM MES/ SODIUM HYDROXIDE, 200 MM REMARK 280 CALCIUM ACETATE, 20% W/V PEG 8000, PH 6.0, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 293.15K 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 38.52100 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.39700 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 38.52100 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 22.39700 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 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 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 2 -1.000000 0.000000 0.000000 -3.06713 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 77.37523 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 694 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 43 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 VAL A 247 C PRO A 248 N 0.153 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 LEU A 111 140.90 -39.77 REMARK 500 PRO A 112 -96.41 -63.00 REMARK 500 ASP A 124 -129.24 -162.71 REMARK 500 SER A 129 -144.72 56.11 REMARK 500 PHE A 232 21.56 -141.67 REMARK 500 MET A 271 16.77 57.43 REMARK 500 ASN A 272 64.09 32.34 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 809 DISTANCE = 6.05 ANGSTROMS REMARK 525 HOH A 810 DISTANCE = 6.07 ANGSTROMS REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 MG A 401 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 A 401 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 70 OD1 REMARK 620 2 GLU A 96 OE1 84.8 REMARK 620 3 HOH A 516 O 118.1 155.0 REMARK 620 4 HOH A 564 O 157.0 76.0 83.3 REMARK 620 5 HOH A 567 O 84.8 93.6 79.7 108.7 REMARK 620 6 HOH A 646 O 88.8 84.6 104.5 77.0 173.4 REMARK 620 N 1 2 3 4 5 DBREF 7MCR A 44 318 UNP P27695 APEX1_HUMAN 44 318 SEQADV 7MCR MET A 43 UNP P27695 INITIATING METHIONINE SEQRES 1 A 276 MET LEU TYR GLU ASP PRO PRO ASP GLN LYS THR SER PRO SEQRES 2 A 276 SER GLY LYS PRO ALA THR LEU LYS ILE CYS SER TRP ASN SEQRES 3 A 276 VAL ASP GLY LEU ARG ALA TRP ILE LYS LYS LYS GLY LEU SEQRES 4 A 276 ASP TRP VAL LYS GLU GLU ALA PRO ASP ILE LEU CYS LEU SEQRES 5 A 276 GLN GLU THR LYS CYS SER GLU ASN LYS LEU PRO ALA GLU SEQRES 6 A 276 LEU GLN GLU LEU PRO GLY LEU SER HIS GLN TYR TRP SER SEQRES 7 A 276 ALA PRO SER ASP LYS GLU GLY TYR SER GLY VAL GLY LEU SEQRES 8 A 276 LEU SER ARG GLN CYS PRO LEU LYS VAL SER TYR GLY ILE SEQRES 9 A 276 GLY ASP GLU GLU HIS ASP GLN GLU GLY ARG VAL ILE VAL SEQRES 10 A 276 ALA GLU PHE ASP SER PHE VAL LEU VAL THR ALA TYR VAL SEQRES 11 A 276 PRO ASN ALA GLY ARG GLY LEU VAL ARG LEU GLU TYR ARG SEQRES 12 A 276 GLN ARG TRP ASP GLU ALA PHE ARG LYS PHE LEU LYS GLY SEQRES 13 A 276 LEU ALA SER ARG LYS PRO LEU VAL LEU CYS GLY ASP LEU SEQRES 14 A 276 ASN VAL ALA HIS GLU GLU ILE ASP LEU ARG ASN PRO LYS SEQRES 15 A 276 GLY ASN LYS LYS ASN ALA GLY PHE THR PRO GLN GLU ARG SEQRES 16 A 276 GLN GLY PHE GLY GLU LEU LEU GLN ALA VAL PRO LEU ALA SEQRES 17 A 276 ASP SER PHE ARG HIS LEU TYR PRO ASN THR PRO TYR ALA SEQRES 18 A 276 TYR THR PHE TRP THR TYR MET MET ASN ALA ARG SER LYS SEQRES 19 A 276 ASN VAL GLY TRP ARG LEU ASP TYR PHE LEU LEU SER HIS SEQRES 20 A 276 SER LEU LEU PRO ALA LEU CYS ASP SER LYS ILE ARG SER SEQRES 21 A 276 LYS ALA LEU GLY SER ASP HIS CYS PRO ILE THR LEU TYR SEQRES 22 A 276 LEU ALA LEU HET MG A 401 1 HETNAM MG MAGNESIUM ION FORMUL 2 MG MG 2+ FORMUL 3 HOH *310(H2 O) HELIX 1 AA1 GLY A 71 LYS A 78 1 8 HELIX 2 AA2 LYS A 79 ALA A 88 1 10 HELIX 3 AA3 PRO A 105 GLU A 110 5 6 HELIX 4 AA4 ASP A 148 ASP A 152 5 5 HELIX 5 AA5 GLY A 176 VAL A 180 5 5 HELIX 6 AA6 ARG A 181 LYS A 203 1 23 HELIX 7 AA7 GLU A 216 LEU A 220 5 5 HELIX 8 AA8 ASN A 222 LYS A 227 1 6 HELIX 9 AA9 THR A 233 VAL A 247 1 15 HELIX 10 AB1 SER A 252 TYR A 257 1 6 HELIX 11 AB2 TYR A 269 MET A 271 5 3 HELIX 12 AB3 ASN A 272 ASN A 277 1 6 HELIX 13 AB4 SER A 290 PRO A 293 5 4 SHEET 1 AA1 6 HIS A 116 SER A 120 0 SHEET 2 AA1 6 VAL A 131 SER A 135 -1 O SER A 135 N HIS A 116 SHEET 3 AA1 6 ILE A 91 GLN A 95 -1 N LEU A 92 O LEU A 134 SHEET 4 AA1 6 LEU A 62 ASN A 68 1 N CYS A 65 O ILE A 91 SHEET 5 AA1 6 ILE A 312 LEU A 316 -1 O LEU A 314 N ILE A 64 SHEET 6 AA1 6 LEU A 295 ILE A 300 -1 N LYS A 299 O THR A 313 SHEET 1 AA2 6 LYS A 141 TYR A 144 0 SHEET 2 AA2 6 VAL A 157 GLU A 161 -1 O VAL A 159 N SER A 143 SHEET 3 AA2 6 VAL A 166 TYR A 171 -1 O LEU A 167 N ALA A 160 SHEET 4 AA2 6 LEU A 205 ASP A 210 1 O VAL A 206 N VAL A 168 SHEET 5 AA2 6 ASP A 283 SER A 288 -1 O LEU A 286 N LEU A 207 SHEET 6 AA2 6 LEU A 249 ASP A 251 -1 N ALA A 250 O LEU A 287 SSBOND 1 CYS A 138 CYS A 138 1555 2556 2.04 LINK OD1 ASP A 70 MG MG A 401 1555 1555 2.28 LINK OE1 GLU A 96 MG MG A 401 1555 1555 1.95 LINK MG MG A 401 O HOH A 516 1555 1555 2.14 LINK MG MG A 401 O HOH A 564 1555 1555 2.38 LINK MG MG A 401 O HOH A 567 1555 1555 2.46 LINK MG MG A 401 O HOH A 646 1555 1555 2.32 CISPEP 1 VAL A 247 PRO A 248 0 -6.22 CRYST1 77.042 44.794 77.436 90.00 92.27 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 0.012980 0.000000 0.000514 0.00000 SCALE2 0.000000 0.022324 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012924 0.00000