HEADER DNA BINDING PROTEIN 18-MAY-00 1F1E TITLE CRYSTAL STRUCTURE OF THE HISTONE FROM METHANOPYRUS KANDLERI COMPND MOL_ID: 1; COMPND 2 MOLECULE: HISTONE FOLD PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: METHANOPYRUS KANDLERI; SOURCE 3 ORGANISM_TAXID: 2320; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PLYSS KEYWDS ARCHAEAL HISTONE PROTEIN, DNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR R.L.FAHRNER,D.CASCIO,J.A.LAKE,A.SLESAREV REVDAT 5 04-OCT-17 1F1E 1 REMARK REVDAT 4 13-JUL-11 1F1E 1 VERSN REVDAT 3 24-FEB-09 1F1E 1 VERSN REVDAT 2 09-NOV-04 1F1E 1 JRNL REMARK MASTER REVDAT 1 31-OCT-01 1F1E 0 JRNL AUTH R.L.FAHRNER,D.CASCIO,J.A.LAKE,A.SLESAREV JRNL TITL AN ANCESTRAL NUCLEAR PROTEIN ASSEMBLY: CRYSTAL STRUCTURE OF JRNL TITL 2 THE METHANOPYRUS KANDLERI HISTONE. JRNL REF PROTEIN SCI. V. 10 2002 2001 JRNL REFN ISSN 0961-8368 JRNL PMID 11567091 JRNL DOI 10.1110/PS.10901 REMARK 2 REMARK 2 RESOLUTION. 1.37 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.37 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 16.9 REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.166 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.159 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.206 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 8.500 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 5353 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 34781 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.150 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.143 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.186 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 8.500 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 4363 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 25550 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1113 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 176 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 1292.6 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 1100.0 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 33 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 12837 REMARK 3 NUMBER OF RESTRAINTS : 16871 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 ANGLE DISTANCES (A) : 0.034 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.023 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.058 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.077 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.023 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.004 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.026 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.170 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER, J. MOL. BIOL. 91(1973)201-228 REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC SCALING APPLIED BY THE REMARK 3 METHOD OF PARKIN, MOEZZI, AND HOPE, J. APPL.CRYST. 28(1995)53-56. REMARK 4 REMARK 4 1F1E COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-MAY-00. REMARK 100 THE DEPOSITION ID IS D_1000011124. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-JUN-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.78 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31694 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.370 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 4.500 REMARK 200 R MERGE (I) : 0.06400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.37 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.39 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : 0.47500 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: NULL REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN: 18MG/ML HMK, 1M NACL, 50MM REMARK 280 TRIS PH 8.5, 50MM BME, WELL: 400MM NACL, 50MM TRIS PH 8.5, 50MM REMARK 280 BME, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 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+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 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 48.47500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 28.70000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 28.70000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 24.23750 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 28.70000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 28.70000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 72.71250 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 28.70000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 28.70000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 24.23750 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 28.70000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 28.70000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 72.71250 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 48.47500 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A MONOMER AND A DIMER CREATED BY REMARK 300 THE CRYSTALLOGRAPHIC TWO FOLD. 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 2410 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12420 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -40.0 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 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 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 HOH A1002 LIES ON A SPECIAL POSITION. REMARK 375 HOH A1148 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 1 REMARK 465 ALA A 2 REMARK 465 VAL A 3 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 4 CG CD OE1 OE2 REMARK 470 GLU A 20 CG CD OE1 OE2 REMARK 470 ARG A 22 CG CD NE CZ NH1 NH2 REMARK 470 ASN A 44 CG OD1 ND2 REMARK 470 LYS A 55 CG CD CE NZ REMARK 470 LYS A 56 CG CD CE NZ REMARK 470 GLU A 61 OE1 OE2 REMARK 470 LYS A 64 CG CD CE NZ REMARK 470 ASP A 68 OD1 OD2 REMARK 470 GLU A 76 CG CD OE1 OE2 REMARK 470 ASP A 79 CG OD1 OD2 REMARK 470 LYS A 93 CG CD CE NZ REMARK 470 GLU A 98 CG CD OE1 OE2 REMARK 470 LYS A 110 CE NZ REMARK 470 LYS A 133 CG CD CE NZ REMARK 470 GLU A 138 CG CD OE1 OE2 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 LYS A 110 CG LYS A 110 CD 0.227 REMARK 500 MSE A 148 CG MSE A 148 SE -0.210 REMARK 500 REMARK 500 REMARK: NULL 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 21 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 ARG A 21 NE - CZ - NH2 ANGL. DEV. = -4.7 DEGREES REMARK 500 TYR A 32 CB - CG - CD1 ANGL. DEV. = 5.1 DEGREES REMARK 500 MSE A 38 CA - CB - CG ANGL. DEV. = 13.1 DEGREES REMARK 500 TYR A 41 CB - CG - CD1 ANGL. DEV. = 4.5 DEGREES REMARK 500 LEU A 50 O - C - N ANGL. DEV. = -9.7 DEGREES REMARK 500 ASP A 51 CB - CG - OD1 ANGL. DEV. = 5.5 DEGREES REMARK 500 ASP A 51 CB - CG - OD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 MSE A 59 C - N - CA ANGL. DEV. = 16.1 DEGREES REMARK 500 HIS A 62 CB - CG - CD2 ANGL. DEV. = 9.1 DEGREES REMARK 500 HIS A 62 CG - ND1 - CE1 ANGL. DEV. = 7.4 DEGREES REMARK 500 ASP A 68 CA - CB - CG ANGL. DEV. = 20.3 DEGREES REMARK 500 ARG A 85 NE - CZ - NH1 ANGL. DEV. = 5.0 DEGREES REMARK 500 ARG A 85 NE - CZ - NH1 ANGL. DEV. = 5.5 DEGREES REMARK 500 ARG A 89 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 ARG A 90 NE - CZ - NH1 ANGL. DEV. = 4.6 DEGREES REMARK 500 ARG A 90 NE - CZ - NH1 ANGL. DEV. = 5.3 DEGREES REMARK 500 ARG A 94 CD - NE - CZ ANGL. DEV. = 8.5 DEGREES REMARK 500 ARG A 94 NE - CZ - NH1 ANGL. DEV. = 5.6 DEGREES REMARK 500 ARG A 94 NE - CZ - NH2 ANGL. DEV. = 3.6 DEGREES REMARK 500 ARG A 99 NE - CZ - NH2 ANGL. DEV. = -4.5 DEGREES REMARK 500 ARG A 99 NE - CZ - NH2 ANGL. DEV. = 4.2 DEGREES REMARK 500 ARG A 132 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 MSE A 148 CG - SE - CE ANGL. DEV. = 16.6 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 1001 DBREF 1F1E A 1 154 UNP O93641 O93641_METKA 1 154 SEQADV 1F1E MSE A 38 UNP O93641 MET 38 MODIFIED RESIDUE SEQADV 1F1E MSE A 59 UNP O93641 MET 59 MODIFIED RESIDUE SEQADV 1F1E MSE A 71 UNP O93641 MET 71 MODIFIED RESIDUE SEQADV 1F1E MSE A 148 UNP O93641 MET 148 MODIFIED RESIDUE SEQRES 1 A 154 MET ALA VAL GLU LEU PRO LYS ALA ALA ILE GLU ARG ILE SEQRES 2 A 154 PHE ARG GLN GLY ILE GLY GLU ARG ARG LEU SER GLN ASP SEQRES 3 A 154 ALA LYS ASP THR ILE TYR ASP PHE VAL PRO THR MSE ALA SEQRES 4 A 154 GLU TYR VAL ALA ASN ALA ALA LYS SER VAL LEU ASP ALA SEQRES 5 A 154 SER GLY LYS LYS THR LEU MSE GLU GLU HIS LEU LYS ALA SEQRES 6 A 154 LEU ALA ASP VAL LEU MSE VAL GLU GLY VAL GLU ASP TYR SEQRES 7 A 154 ASP GLY GLU LEU PHE GLY ARG ALA THR VAL ARG ARG ILE SEQRES 8 A 154 LEU LYS ARG ALA GLY ILE GLU ARG ALA SER SER ASP ALA SEQRES 9 A 154 VAL ASP LEU TYR ASN LYS LEU ILE CYS ARG ALA THR GLU SEQRES 10 A 154 GLU LEU GLY GLU LYS ALA ALA GLU TYR ALA ASP GLU ASP SEQRES 11 A 154 GLY ARG LYS THR VAL GLN GLY GLU ASP VAL GLU LYS ALA SEQRES 12 A 154 ILE THR TYR SER MSE PRO LYS GLY GLY GLU LEU MODRES 1F1E MSE A 38 MET SELENOMETHIONINE MODRES 1F1E MSE A 59 MET SELENOMETHIONINE MODRES 1F1E MSE A 71 MET SELENOMETHIONINE MODRES 1F1E MSE A 148 MET SELENOMETHIONINE HET MSE A 38 11 HET MSE A 59 11 HET MSE A 71 12 HET MSE A 148 12 HET CL A1001 1 HETNAM MSE SELENOMETHIONINE HETNAM CL CHLORIDE ION FORMUL 1 MSE 4(C5 H11 N O2 SE) FORMUL 2 CL CL 1- FORMUL 3 HOH *176(H2 O) HELIX 1 1 PRO A 6 GLN A 16 1 11 HELIX 2 2 SER A 24 ALA A 52 1 29 HELIX 3 3 MSE A 59 MSE A 71 1 13 HELIX 4 4 GLY A 84 ALA A 95 1 12 HELIX 5 5 SER A 101 ASP A 130 1 30 HELIX 6 6 GLN A 136 MSE A 148 1 13 HELIX 7 7 PRO A 149 GLU A 153 5 5 SHEET 1 A 2 ARG A 22 LEU A 23 0 SHEET 2 A 2 THR A 134 VAL A 135 1 N VAL A 135 O ARG A 22 SHEET 1 B 2 THR A 57 LEU A 58 0 SHEET 2 B 2 ARG A 99 ALA A 100 1 O ARG A 99 N LEU A 58 LINK C THR A 37 N MSE A 38 1555 1555 1.37 LINK C MSE A 38 N ALA A 39 1555 1555 1.31 LINK C LEU A 58 N MSE A 59 1555 1555 1.30 LINK C MSE A 59 N GLU A 60 1555 1555 1.33 LINK C LEU A 70 N MSE A 71 1555 1555 1.31 LINK C MSE A 71 N VAL A 72 1555 1555 1.33 LINK C SER A 147 N MSE A 148 1555 1555 1.31 LINK C MSE A 148 N PRO A 149 1555 1555 1.31 SITE 1 AC1 5 MSE A 59 GLU A 60 SER A 101 HOH A1079 SITE 2 AC1 5 HOH A1143 CRYST1 57.400 57.400 96.950 90.00 90.00 90.00 P 41 21 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 0.017424 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017424 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010314 0.00000