HEADER OXIDOREDUCTASE 24-AUG-16 5T2V TITLE CRYSTAL STRUCTURE OF MSMEG_6753 A PUTATIVE BETAKETOACYL-ACP REDUCTASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: OXIDOREDUCTASE, SHORT CHAIN DEHYDROGENASE/REDUCTASE FAMILY COMPND 3 PROTEIN; COMPND 4 CHAIN: A; COMPND 5 SYNONYM: SHORT-CHAIN DEHYDROGENASE/REDUCTASE SDR; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM SMEGMATIS (STRAIN ATCC 700084 / SOURCE 3 MC(2)155); SOURCE 4 ORGANISM_TAXID: 246196; SOURCE 5 STRAIN: ATCC 700084 / MC(2)155; SOURCE 6 GENE: MSMEG_6753, MSMEI_6571; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS FABG, MYCOBACTERIUM, FATTY ACIDS, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR M.BLAISE,N.VAN WYK,F.BANERES-ROQUET,Y.GUERARDEL,L.KREMER REVDAT 3 17-JAN-24 5T2V 1 LINK ATOM REVDAT 2 22-MAR-17 5T2V 1 JRNL REVDAT 1 15-FEB-17 5T2V 0 JRNL AUTH M.BLAISE,N.VAN WYK,F.BANERES-ROQUET,Y.GUERARDEL,L.KREMER JRNL TITL BINDING OF NADP(+) TRIGGERS AN OPEN-TO-CLOSED TRANSITION IN JRNL TITL 2 A MYCOBACTERIAL FABG BETA-KETOACYL-ACP REDUCTASE. JRNL REF BIOCHEM. J. V. 474 907 2017 JRNL REFN ESSN 1470-8728 JRNL PMID 28126742 JRNL DOI 10.1042/BCJ20161052 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.10.1_2155: ???) 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.90 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 17361 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.164 REMARK 3 R VALUE (WORKING SET) : 0.161 REMARK 3 FREE R VALUE : 0.191 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.130 REMARK 3 FREE R VALUE TEST SET COUNT : 1759 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 19.9378 - 4.4524 1.00 1286 144 0.1515 0.1764 REMARK 3 2 4.4524 - 3.5405 1.00 1222 144 0.1380 0.1502 REMARK 3 3 3.5405 - 3.0948 1.00 1197 145 0.1381 0.1573 REMARK 3 4 3.0948 - 2.8127 1.00 1211 126 0.1615 0.1676 REMARK 3 5 2.8127 - 2.6116 1.00 1188 138 0.1601 0.2031 REMARK 3 6 2.6116 - 2.4579 1.00 1189 141 0.1673 0.2089 REMARK 3 7 2.4579 - 2.3350 1.00 1197 122 0.1582 0.2303 REMARK 3 8 2.3350 - 2.2335 1.00 1195 133 0.1680 0.2274 REMARK 3 9 2.2335 - 2.1476 1.00 1196 132 0.1712 0.2070 REMARK 3 10 2.1476 - 2.0736 1.00 1194 131 0.1787 0.2180 REMARK 3 11 2.0736 - 2.0088 1.00 1172 134 0.2150 0.2798 REMARK 3 12 2.0088 - 1.9514 1.00 1182 132 0.2215 0.2778 REMARK 3 13 1.9514 - 1.9001 1.00 1173 137 0.2403 0.2902 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.170 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 19.800 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) : 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 : 0.004 1752 REMARK 3 ANGLE : 0.618 2389 REMARK 3 CHIRALITY : 0.047 281 REMARK 3 PLANARITY : 0.004 321 REMARK 3 DIHEDRAL : 14.187 604 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 5T2V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 24-AUG-16. REMARK 100 THE DEPOSITION ID IS D_1000223571. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-FEB-16 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 : ESRF REMARK 200 BEAMLINE : ID23-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.873 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17367 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 19.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.2700 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 (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 6.60 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.210 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: 4BNU REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.58 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.11 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M HEPES-NA PH 7.5, 30% PEG400, 0.2M REMARK 280 MAGNESIUM CHLORIDE HEXAHYDRATE, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2 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,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+1/2,-Z+1/2 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 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 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 1.000000 0.000000 0.000000 36.96500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 37.75000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 38.63000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 36.96500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 37.75000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 38.63000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 36.96500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 37.75000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 38.63000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 36.96500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 37.75000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 38.63000 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 12730 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 33840 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -94.0 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 221.79000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 75.50000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -1.000000 0.000000 0.000000 221.79000 REMARK 350 BIOMT2 3 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 350 BIOMT1 4 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 0.000000 -1.000000 0.000000 75.50000 REMARK 350 BIOMT3 4 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 A 301 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 453 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 595 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 -7 REMARK 465 GLY A -6 REMARK 465 HIS A -5 REMARK 465 HIS A -4 REMARK 465 HIS A -3 REMARK 465 HIS A -2 REMARK 465 HIS A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 484 O HOH A 493 2865 2.17 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 TYR A 86 45.90 -147.27 REMARK 500 THR A 133 -130.01 -117.09 REMARK 500 ALA A 223 36.04 -96.47 REMARK 500 ASP A 234 20.29 -145.11 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 A 301 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 407 O REMARK 620 2 HOH A 407 O 167.8 REMARK 620 3 HOH A 499 O 95.9 92.7 REMARK 620 4 HOH A 499 O 92.7 95.9 90.3 REMARK 620 5 HOH A 563 O 96.0 76.0 167.8 86.6 REMARK 620 6 HOH A 563 O 76.0 96.0 86.6 167.8 98.8 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 301 DBREF 5T2V A 1 240 UNP A0R723 A0R723_MYCS2 1 240 SEQADV 5T2V MET A -7 UNP A0R723 INITIATING METHIONINE SEQADV 5T2V GLY A -6 UNP A0R723 EXPRESSION TAG SEQADV 5T2V HIS A -5 UNP A0R723 EXPRESSION TAG SEQADV 5T2V HIS A -4 UNP A0R723 EXPRESSION TAG SEQADV 5T2V HIS A -3 UNP A0R723 EXPRESSION TAG SEQADV 5T2V HIS A -2 UNP A0R723 EXPRESSION TAG SEQADV 5T2V HIS A -1 UNP A0R723 EXPRESSION TAG SEQADV 5T2V HIS A 0 UNP A0R723 EXPRESSION TAG SEQRES 1 A 248 MET GLY HIS HIS HIS HIS HIS HIS MET GLU LEU GLU GLY SEQRES 2 A 248 LEU THR ALA LEU VAL THR GLY GLY THR SER GLY ILE GLY SEQRES 3 A 248 LEU GLU SER ALA ARG LEU MET ALA ALA GLU GLY ALA ASP SEQRES 4 A 248 VAL VAL ILE THR GLY ARG ASP ALA GLN ARG GLY GLU GLN SEQRES 5 A 248 ALA ALA ALA ASP ILE GLY HIS GLY ALA ARG PHE VAL GLN SEQRES 6 A 248 ALA ASP LEU GLY ASP LEU ASP SER VAL ALA ASP LEU ALA SEQRES 7 A 248 ALA GLN ALA PRO ASP VAL ASP ILE LEU VAL ASN ASN ALA SEQRES 8 A 248 GLY ILE TYR PRO GLN ALA SER THR PHE ASP GLN ASP VAL SEQRES 9 A 248 ALA GLY PHE GLN GLN LEU PHE ASP THR ASN VAL ARG GLY SEQRES 10 A 248 THR TYR PHE LEU VAL ALA ALA ALA ALA LYS GLY MET VAL SEQRES 11 A 248 ALA ARG GLY HIS GLY SER ILE VAL ASN ILE THR THR LEU SEQRES 12 A 248 ALA ALA HIS LYS GLY PHE PRO GLY THR SER VAL TYR GLY SEQRES 13 A 248 ALA THR LYS ALA ALA LEU GLU SER LEU THR ARG THR TRP SEQRES 14 A 248 ALA ALA GLU PHE GLY ALA ASN GLY VAL ARG VAL ASN SER SEQRES 15 A 248 VAL SER PRO GLY PRO THR ARG THR PRO THR THR LEU GLU SEQRES 16 A 248 GLN LEU GLY ASP PHE ILE ASP ASP VAL ALA ALA GLY LEU SEQRES 17 A 248 PRO LEU ARG ARG THR ALA ALA PRO GLU GLU ILE ALA GLN SEQRES 18 A 248 ALA VAL LEU PHE LEU ALA SER PRO ARG ALA SER PHE VAL SEQRES 19 A 248 THR GLY SER THR LEU TYR VAL ASP GLY GLY GLY TYR ALA SEQRES 20 A 248 VAL HET MG A 301 1 HETNAM MG MAGNESIUM ION FORMUL 2 MG MG 2+ FORMUL 3 HOH *200(H2 O) HELIX 1 AA1 SER A 15 GLU A 28 1 14 HELIX 2 AA2 ASP A 38 GLY A 50 1 13 HELIX 3 AA3 ASP A 62 ALA A 73 1 12 HELIX 4 AA4 ASP A 95 VAL A 107 1 13 HELIX 5 AA5 VAL A 107 GLY A 125 1 19 HELIX 6 AA6 THR A 134 HIS A 138 5 5 HELIX 7 AA7 THR A 144 GLY A 166 1 23 HELIX 8 AA8 THR A 184 LEU A 189 5 6 HELIX 9 AA9 ASP A 194 GLY A 199 1 6 HELIX 10 AB1 ALA A 207 SER A 220 1 14 HELIX 11 AB2 PRO A 221 SER A 224 5 4 SHEET 1 AA1 7 ARG A 54 GLN A 57 0 SHEET 2 AA1 7 ASP A 31 GLY A 36 1 N ILE A 34 O VAL A 56 SHEET 3 AA1 7 THR A 7 VAL A 10 1 N VAL A 10 O VAL A 33 SHEET 4 AA1 7 ILE A 78 ASN A 81 1 O VAL A 80 N LEU A 9 SHEET 5 AA1 7 GLY A 127 ILE A 132 1 O VAL A 130 N ASN A 81 SHEET 6 AA1 7 VAL A 170 PRO A 177 1 O ASN A 173 N ASN A 131 SHEET 7 AA1 7 THR A 230 VAL A 233 1 O LEU A 231 N SER A 174 LINK MG MG A 301 O HOH A 407 1555 1555 2.09 LINK MG MG A 301 O HOH A 407 1555 3855 2.09 LINK MG MG A 301 O HOH A 499 1555 1555 2.47 LINK MG MG A 301 O HOH A 499 1555 3855 2.47 LINK MG MG A 301 O HOH A 563 1555 1555 2.34 LINK MG MG A 301 O HOH A 563 1555 3855 2.34 SITE 1 AC1 3 HOH A 407 HOH A 499 HOH A 563 CRYST1 73.930 75.500 77.260 90.00 90.00 90.00 I 2 2 2 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 0.013526 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013245 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012943 0.00000