HEADER DNA BINDING PROTEIN 04-JUL-18 6A7U TITLE CRYSTAL STRUCTURE OF HISTONE H2A.BBD-H2B DIMER COMPND MOL_ID: 1; COMPND 2 MOLECULE: HISTONE H2B TYPE 2-E,HISTONE H2A-BBD TYPE 2/3; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HISTONE H2B-GL105,HISTONE H2B.Q,H2B/Q,H2A BARR BODY- COMPND 5 DEFICIENT,H2A.BBD; 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: HIST2H2BE, H2BFQ, H2AFB2, H2AFB3, H2ABBD, H2AFB; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI K-12; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 83333; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: K-12 KEYWDS HISTONE, HISTONE VARIANT, H2A.BBD, DNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR L.DAI,Z.ZHOU REVDAT 2 22-NOV-23 6A7U 1 REMARK REVDAT 1 27-FEB-19 6A7U 0 JRNL AUTH L.DAI,X.XIE,Z.ZHOU JRNL TITL CRYSTAL STRUCTURE OF THE HISTONE HETERODIMER CONTAINING JRNL TITL 2 HISTONE VARIANT H2A.BBD. JRNL REF BIOCHEM. BIOPHYS. RES. V. 503 1786 2018 JRNL REF 2 COMMUN. JRNL REFN ESSN 1090-2104 JRNL PMID 30064909 JRNL DOI 10.1016/J.BBRC.2018.07.114 REMARK 2 REMARK 2 RESOLUTION. 2.60 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 44.39 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 7979 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) : 0.235 REMARK 3 FREE R VALUE : 0.263 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.730 REMARK 3 FREE R VALUE TEST SET COUNT : 457 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 44.4011 - 3.7496 1.00 2590 163 0.2160 0.2641 REMARK 3 2 3.7496 - 2.9763 1.00 2475 145 0.2442 0.2488 REMARK 3 3 2.9763 - 2.6001 1.00 2457 149 0.3016 0.2852 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) : 0.270 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 36.520 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 : 0.010 1344 REMARK 3 ANGLE : 1.429 1816 REMARK 3 CHIRALITY : 0.058 217 REMARK 3 PLANARITY : 0.006 229 REMARK 3 DIHEDRAL : 8.137 825 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): -21.7530 -25.7058 3.0432 REMARK 3 T TENSOR REMARK 3 T11: 0.3299 T22: 0.3220 REMARK 3 T33: 0.3252 T12: 0.0090 REMARK 3 T13: 0.0406 T23: 0.0015 REMARK 3 L TENSOR REMARK 3 L11: 0.9031 L22: 0.5382 REMARK 3 L33: 0.7696 L12: -0.4298 REMARK 3 L13: -0.7958 L23: -0.0796 REMARK 3 S TENSOR REMARK 3 S11: 0.2200 S12: -0.0843 S13: 0.0498 REMARK 3 S21: -0.0110 S22: 0.0750 S23: -0.0327 REMARK 3 S31: -0.0431 S32: -0.0855 S33: 0.0000 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 6A7U COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 11-JUL-18. REMARK 100 THE DEPOSITION ID IS D_1300008205. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-APR-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL19U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.987 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8011 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 44.390 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 6.300 REMARK 200 R MERGE (I) : 0.09400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.72 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.69600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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: 3AFA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.55 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M SODIUM CITRATE TRIBASIC DIHYDRATE REMARK 280 PH5.5 38% PEG 200, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z 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 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 28.45500 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 28.45500 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 30.82000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 70.95500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 30.82000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 70.95500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 28.45500 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 30.82000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 70.95500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 28.45500 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 30.82000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 70.95500 REMARK 290 SMTRY3 8 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: MONOMERIC 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 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 0 REMARK 465 PRO A 1 REMARK 465 GLU A 2 REMARK 465 PRO A 3 REMARK 465 ALA A 4 REMARK 465 LYS A 5 REMARK 465 SER A 6 REMARK 465 ALA A 7 REMARK 465 PRO A 8 REMARK 465 ALA A 9 REMARK 465 PRO A 10 REMARK 465 LYS A 11 REMARK 465 LYS A 12 REMARK 465 GLY A 13 REMARK 465 SER A 14 REMARK 465 LYS A 15 REMARK 465 LYS A 16 REMARK 465 ALA A 17 REMARK 465 VAL A 18 REMARK 465 THR A 19 REMARK 465 LYS A 20 REMARK 465 ALA A 21 REMARK 465 GLN A 22 REMARK 465 LYS A 23 REMARK 465 LYS A 24 REMARK 465 ASP A 25 REMARK 465 GLY A 26 REMARK 465 LYS A 27 REMARK 465 LYS A 28 REMARK 465 ARG A 29 REMARK 465 LYS A 30 REMARK 465 ARG A 31 REMARK 465 SER A 32 REMARK 465 ARG A 33 REMARK 465 LYS A 34 REMARK 465 GLU A 35 REMARK 465 LYS A 125 REMARK 465 PRO A 126 REMARK 465 ARG A 127 REMARK 465 ARG A 128 REMARK 465 ARG A 129 REMARK 465 ARG A 130 REMARK 465 ARG A 131 REMARK 465 ARG A 132 REMARK 465 GLY A 133 REMARK 465 SER A 134 REMARK 465 SER A 135 REMARK 465 GLY A 136 REMARK 465 ALA A 137 REMARK 465 GLY A 138 REMARK 465 GLY A 139 REMARK 465 ARG A 140 REMARK 465 GLY A 141 REMARK 465 ARG A 142 REMARK 465 THR A 143 REMARK 465 CYS A 144 REMARK 465 PHE A 226 REMARK 465 ASN A 227 REMARK 465 THR A 228 REMARK 465 THR A 229 REMARK 465 THR A 230 REMARK 465 ILE A 231 REMARK 465 SER A 232 REMARK 465 GLN A 233 REMARK 465 VAL A 234 REMARK 465 ALA A 235 REMARK 465 PRO A 236 REMARK 465 GLY A 237 REMARK 465 GLU A 238 REMARK 465 ASP A 239 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES 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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) 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 ATM2 ATM3 REMARK 500 ARG A 79 NE - CZ - NH2 ANGL. DEV. = -3.0 DEGREES REMARK 500 ARG A 92 CA - CB - CG ANGL. DEV. = -13.5 DEGREES REMARK 500 ARG A 92 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 GLY A 104 N - CA - C ANGL. DEV. = 17.1 DEGREES REMARK 500 LEU A 211 CB - CG - CD1 ANGL. DEV. = -20.7 DEGREES 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 LYS A 85 30.11 -97.23 REMARK 500 PRO A 103 7.96 -69.24 REMARK 500 ARG A 146 -118.78 59.58 REMARK 500 ASN A 218 17.72 57.18 REMARK 500 ARG A 220 -60.86 -24.95 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 TYR A 83 ASN A 84 147.90 REMARK 500 GLY A 104 GLU A 105 142.55 REMARK 500 REMARK 500 REMARK: NULL DBREF 6A7U A 0 125 UNP Q16778 H2B2E_HUMAN 1 126 DBREF 6A7U A 126 239 UNP P0C5Z0 H2AB2_HUMAN 2 115 SEQRES 1 A 240 MET PRO GLU PRO ALA LYS SER ALA PRO ALA PRO LYS LYS SEQRES 2 A 240 GLY SER LYS LYS ALA VAL THR LYS ALA GLN LYS LYS ASP SEQRES 3 A 240 GLY LYS LYS ARG LYS ARG SER ARG LYS GLU SER TYR SER SEQRES 4 A 240 ILE TYR VAL TYR LYS VAL LEU LYS GLN VAL HIS PRO ASP SEQRES 5 A 240 THR GLY ILE SER SER LYS ALA MET GLY ILE MET ASN SER SEQRES 6 A 240 PHE VAL ASN ASP ILE PHE GLU ARG ILE ALA GLY GLU ALA SEQRES 7 A 240 SER ARG LEU ALA HIS TYR ASN LYS ARG SER THR ILE THR SEQRES 8 A 240 SER ARG GLU ILE GLN THR ALA VAL ARG LEU LEU LEU PRO SEQRES 9 A 240 GLY GLU LEU ALA LYS HIS ALA VAL SER GLU GLY THR LYS SEQRES 10 A 240 ALA VAL THR LYS TYR THR SER SER LYS PRO ARG ARG ARG SEQRES 11 A 240 ARG ARG ARG GLY SER SER GLY ALA GLY GLY ARG GLY ARG SEQRES 12 A 240 THR CYS SER ARG THR VAL ARG ALA GLU LEU SER PHE SER SEQRES 13 A 240 VAL SER GLN VAL GLU ARG SER LEU ARG GLU GLY HIS TYR SEQRES 14 A 240 ALA GLN ARG LEU SER ARG THR ALA PRO VAL TYR LEU ALA SEQRES 15 A 240 ALA VAL ILE GLU TYR LEU THR ALA LYS VAL LEU GLU LEU SEQRES 16 A 240 ALA GLY ASN GLU ALA GLN ASN SER GLY GLU ARG ASN ILE SEQRES 17 A 240 THR PRO LEU LEU LEU ASP MET VAL VAL HIS ASN ASP ARG SEQRES 18 A 240 LEU LEU SER THR LEU PHE ASN THR THR THR ILE SER GLN SEQRES 19 A 240 VAL ALA PRO GLY GLU ASP FORMUL 2 HOH *4(H2 O) HELIX 1 AA1 TYR A 37 HIS A 49 1 13 HELIX 2 AA2 SER A 55 ASN A 84 1 30 HELIX 3 AA3 THR A 90 LEU A 100 1 11 HELIX 4 AA4 GLU A 105 SER A 123 1 19 HELIX 5 AA5 SER A 145 GLU A 151 5 7 HELIX 6 AA6 SER A 155 GLY A 166 1 12 HELIX 7 AA7 ARG A 174 SER A 202 1 29 HELIX 8 AA8 THR A 208 HIS A 217 1 10 HELIX 9 AA9 LEU A 221 LEU A 225 5 5 SHEET 1 AA1 2 GLY A 53 ILE A 54 0 SHEET 2 AA1 2 ASN A 206 ILE A 207 1 O ILE A 207 N GLY A 53 SHEET 1 AA2 2 THR A 88 ILE A 89 0 SHEET 2 AA2 2 ARG A 171 LEU A 172 1 O ARG A 171 N ILE A 89 CRYST1 61.640 141.910 56.910 90.00 90.00 90.00 C 2 2 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 0.016223 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007047 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017572 0.00000