HEADER DNA BINDING PROTEIN 07-APR-99 1CI4 TITLE THE CRYSTAL STRUCTURE OF HUMAN BARRIER-TO-AUTOINTEGRATION FACTOR (BAF) COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (BARRIER-TO-AUTOINTEGRATION FACTOR (BAF)); COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 OTHER_DETAILS: SELENOMETHIONINE (RESIDUE NAME MSE) HAS BEEN COMPND 6 SUBSTITUTED FOR METHIONINE 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: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: B834(DE3)LYSS; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET15B KEYWDS DNA BINDING PROTEIN, RETROVIRAL INTEGRATION, PREINTEGRATION COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR T.C.UMLAND,S.-Q.WEI,R.CRAIGIE,D.R.DAVIES REVDAT 6 30-OCT-24 1CI4 1 REMARK REVDAT 5 27-DEC-23 1CI4 1 REMARK REVDAT 4 27-NOV-19 1CI4 1 JRNL SEQADV LINK ATOM REVDAT 3 24-FEB-09 1CI4 1 VERSN REVDAT 2 01-APR-03 1CI4 1 JRNL REVDAT 1 16-AUG-00 1CI4 0 JRNL AUTH T.C.UMLAND,S.Q.WEI,R.CRAIGIE,D.R.DAVIES JRNL TITL STRUCTURAL BASIS OF DNA BRIDGING BY JRNL TITL 2 BARRIER-TO-AUTOINTEGRATION FACTOR. JRNL REF BIOCHEMISTRY V. 39 9130 2000 JRNL REFN ISSN 0006-2960 JRNL PMID 10924106 JRNL DOI 10.1021/BI000572W REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.S.LEE,R.CRAIGIE REMARK 1 TITL A PREVIOUSLY UNIDENTIFIED HOST PROTEIN PROTECTS RETROVIRAL REMARK 1 TITL 2 DNA FROM AUTOINTEGRATION. REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 95 1528 1998 REMARK 1 REFN ISSN 0027-8424 REMARK 1 PMID 9465049 REMARK 1 DOI 10.1073/PNAS.95.4.1528 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.S.LEE,R.CRAIGIE REMARK 1 TITL PROTECTION OF RETROVIRAL DNA FROM AUTOINTEGRATION: REMARK 1 TITL 2 INVOLVEMENT OF A CELLULAR FACTOR. REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 91 9823 1994 REMARK 1 REFN ISSN 0027-8424 REMARK 1 PMID 7937898 REMARK 1 DOI 10.1073/PNAS.91.21.9823 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.4 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : MLI REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.1 REMARK 3 NUMBER OF REFLECTIONS : 15702 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.210 REMARK 3 FREE R VALUE : 0.262 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1588 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2234 REMARK 3 BIN R VALUE (WORKING SET) : 0.2600 REMARK 3 BIN FREE R VALUE : 0.3180 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 248 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.020 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1389 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 228 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.27000 REMARK 3 B22 (A**2) : 4.27000 REMARK 3 B33 (A**2) : -8.54000 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.23 REMARK 3 ESD FROM SIGMAA (A) : 0.20 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.30 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.26 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 18.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.910 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.200 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.230 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.580 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.790 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.35 REMARK 3 BSOL : 36.72 REMARK 3 REMARK 3 NCS MODEL : RESTRAINTS REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : 0.198 ; 20 REMARK 3 GROUP 1 B-FACTOR (A**2) : 2.16 ; 3 REMARK 3 GROUP 2 POSITIONAL (A) : 0.364 ; 10 REMARK 3 GROUP 2 B-FACTOR (A**2) : 2.45 ; 3 REMARK 3 GROUP 3 POSITIONAL (A) : 1.08 ; 5 REMARK 3 GROUP 3 B-FACTOR (A**2) : 4.36 ; 5 REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REFINEMENT TARGET: MAXIMUM LIKELIHOOD REMARK 3 TARGET USING INTENSITIES REMARK 4 REMARK 4 1CI4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-APR-99. REMARK 100 THE DEPOSITION ID IS D_1000000807. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-JUL-98 REMARK 200 TEMPERATURE (KELVIN) : 95 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X9B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9793,0.9789,0.9686 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : BENT MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16011 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 13.70 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 6.10000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 16.0000 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) : 1.94 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 18.4000 REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE, PHASES V. 95 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: DIALYSIS OF PROTEIN AT 8.3 MG/ML IN REMARK 280 20MM TRIS HCL AT PH7.0, 10%(W/V) GLYCEROL, 150MM NACL, 10MM DTT, REMARK 280 AND 0.1MM EDTA AGAINST 20MM IMIDAZOLE AT PH 6.5, 80MM NACL, AND REMARK 280 10MM DTT. DIALYSIS DONE AT ROOM TEMPERATURE.(ALL CONCENTRATIONS REMARK 280 ARE IN MILLI-MOLAR) REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 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 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 107.30000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 20.90000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 20.90000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 160.95000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 20.90000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 20.90000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 53.65000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 20.90000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 20.90000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 160.95000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 20.90000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 20.90000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 53.65000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 107.30000 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: 1460 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 8520 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -9.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 MSE B 1 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 GLU A 28 CD OE1 OE2 REMARK 470 LYS A 32 CD CE NZ REMARK 470 ARG A 37 CZ NH1 NH2 REMARK 470 LYS B 32 CG CD CE NZ 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 54 19.10 54.91 REMARK 500 REMARK 500 REMARK: NULL DBREF 1CI4 A 1 89 UNP O75531 BAF_HUMAN 1 89 DBREF 1CI4 B 1 89 UNP O75531 BAF_HUMAN 1 89 SEQADV 1CI4 MSE A 1 UNP O75531 MET 1 MODIFIED RESIDUE SEQADV 1CI4 MSE A 15 UNP O75531 MET 15 MODIFIED RESIDUE SEQADV 1CI4 MSE B 15 UNP O75531 MET 15 MODIFIED RESIDUE SEQRES 1 A 89 MSE THR THR SER GLN LYS HIS ARG ASP PHE VAL ALA GLU SEQRES 2 A 89 PRO MSE GLY GLU LYS PRO VAL GLY SER LEU ALA GLY ILE SEQRES 3 A 89 GLY GLU VAL LEU GLY LYS LYS LEU GLU GLU ARG GLY PHE SEQRES 4 A 89 ASP LYS ALA TYR VAL VAL LEU GLY GLN PHE LEU VAL LEU SEQRES 5 A 89 LYS LYS ASP GLU ASP LEU PHE ARG GLU TRP LEU LYS ASP SEQRES 6 A 89 THR CYS GLY ALA ASN ALA LYS GLN SER ARG ASP CYS PHE SEQRES 7 A 89 GLY CYS LEU ARG GLU TRP CYS ASP ALA PHE LEU SEQRES 1 B 89 MSE THR THR SER GLN LYS HIS ARG ASP PHE VAL ALA GLU SEQRES 2 B 89 PRO MSE GLY GLU LYS PRO VAL GLY SER LEU ALA GLY ILE SEQRES 3 B 89 GLY GLU VAL LEU GLY LYS LYS LEU GLU GLU ARG GLY PHE SEQRES 4 B 89 ASP LYS ALA TYR VAL VAL LEU GLY GLN PHE LEU VAL LEU SEQRES 5 B 89 LYS LYS ASP GLU ASP LEU PHE ARG GLU TRP LEU LYS ASP SEQRES 6 B 89 THR CYS GLY ALA ASN ALA LYS GLN SER ARG ASP CYS PHE SEQRES 7 B 89 GLY CYS LEU ARG GLU TRP CYS ASP ALA PHE LEU MODRES 1CI4 MSE A 1 MET SELENOMETHIONINE MODRES 1CI4 MSE A 15 MET SELENOMETHIONINE MODRES 1CI4 MSE B 15 MET SELENOMETHIONINE HET MSE A 1 8 HET MSE A 15 8 HET MSE B 15 8 HETNAM MSE SELENOMETHIONINE FORMUL 1 MSE 3(C5 H11 N O2 SE) FORMUL 3 HOH *228(H2 O) HELIX 1 1 GLN A 5 VAL A 11 1 7 HELIX 2 2 VAL A 20 SER A 22 5 3 HELIX 3 3 GLU A 28 GLU A 36 1 9 HELIX 4 4 ALA A 42 VAL A 51 1 10 HELIX 5 5 GLU A 56 CYS A 67 1 12 HELIX 6 7 GLN B 5 VAL B 11 1 7 HELIX 7 8 VAL B 20 SER B 22 5 3 HELIX 8 9 GLU B 28 GLU B 36 1 9 HELIX 9 10 ALA B 42 VAL B 51 1 10 HELIX 10 11 GLU B 56 CYS B 67 1 12 LINK C MSE A 1 N THR A 2 1555 1555 1.33 LINK C PRO A 14 N MSE A 15 1555 1555 1.33 LINK C MSE A 15 N GLY A 16 1555 1555 1.33 LINK C PRO B 14 N MSE B 15 1555 1555 1.34 LINK C MSE B 15 N GLY B 16 1555 1555 1.33 CRYST1 41.800 41.800 214.600 90.00 90.00 90.00 P 43 21 2 16 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 0.023923 0.000000 0.000000 0.00000 SCALE2 0.000000 0.023923 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004660 0.00000 MTRIX1 1 -0.864680 0.345600 -0.364540 46.96663 1 MTRIX2 1 0.369820 -0.053140 -0.927580 3.67135 1 MTRIX3 1 -0.339950 -0.936880 -0.081860 21.67661 1 MTRIX1 2 -0.864680 0.369820 -0.339950 46.62228 1 MTRIX2 2 0.345600 -0.053140 -0.936880 4.27167 1 MTRIX3 2 -0.364540 -0.927580 -0.081860 22.30100 1 HETATM 1 N MSE A 1 22.541 -5.251 -14.551 1.00 30.54 N HETATM 2 CA MSE A 1 21.949 -5.273 -13.177 1.00 31.02 C HETATM 3 C MSE A 1 20.931 -6.408 -13.046 1.00 29.74 C HETATM 4 O MSE A 1 20.073 -6.570 -13.904 1.00 27.93 O HETATM 5 CB MSE A 1 21.247 -3.942 -12.873 1.00 35.09 C HETATM 6 CG MSE A 1 22.143 -2.697 -12.856 1.00 41.49 C HETATM 7 SE MSE A 1 21.219 -1.189 -12.378 1.00 50.33 SE HETATM 8 CE MSE A 1 21.387 -1.184 -10.664 1.00 42.44 C