HEADER TRANSPORT PROTEIN 19-MAY-01 1J7X TITLE CRYSTAL STRUCTURE OF A FUNCTIONAL UNIT OF TITLE 2 INTERPHOTORECEPTOR RETINOID-BINDING PROTEIN (IRBP) COMPND MOL_ID: 1; COMPND 2 MOLECULE: INTERPHOTORECEPTOR RETINOID-BINDING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: IRBP; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: XENOPUS LAEVIS; SOURCE 3 ORGANISM_COMMON: AFRICAN CLAWED FROG; SOURCE 4 ORGANISM_TAXID: 8355; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: TOP 10; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PTHIOHIS KEYWDS BETA BETA ALPHA SPIRAL, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.LOEW,F.GONZALEZ-FERNANDEZ REVDAT 3 24-FEB-09 1J7X 1 VERSN REVDAT 2 01-APR-03 1J7X 1 JRNL REVDAT 1 20-FEB-02 1J7X 0 JRNL AUTH A.LOEW,F.GONZALEZ-FERNANDEZ JRNL TITL CRYSTAL STRUCTURE OF THE FUNCTIONAL UNIT OF JRNL TITL 2 INTERPHOTORECEPTOR RETINOID BINDING PROTEIN. JRNL REF STRUCTURE V. 10 43 2002 JRNL REFN ISSN 0969-2126 JRNL PMID 11796109 JRNL DOI 10.1016/S0969-2126(01)00698-0 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.25 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 25564 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 + TEST SET) : 0.207 REMARK 3 R VALUE (WORKING SET) : 0.205 REMARK 3 FREE R VALUE : 0.220 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1353 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2340 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 145 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 34.56 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.30 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 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.032 ; 1.777 REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.777 ; 5.930 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.899 ; 4.244 REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1J7X COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-MAY-01. REMARK 100 THE RCSB ID CODE IS RCSB013471. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-OCT-00; 10-JUN-00 REMARK 200 TEMPERATURE (KELVIN) : 100; 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : CHESS; CHESS REMARK 200 BEAMLINE : F2; A1 REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9777,0.9790,0.9793; 0.9090 REMARK 200 MONOCHROMATOR : SAGITALLY FOCUSED SI(111); SI REMARK 200 111 REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4; ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26579 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 19.250 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 4.100 REMARK 200 R MERGE (I) : 0.06500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.85 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.49500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD; NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE V. 1.17 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.72 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.11 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, TRIS, MAGNESIUM CHLORIDE, REMARK 280 PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 31.57200 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 34.08700 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.87800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 34.08700 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 31.57200 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.87800 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: 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 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 THR A 171 OG1 CG2 REMARK 470 LYS A 172 CG CD CE NZ REMARK 470 HIS A 179 CG ND1 CD2 CE1 NE2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OE2 GLU A 287 O HOH A 429 2.05 REMARK 500 SG CYS A 13 O HOH A 386 2.12 REMARK 500 OE1 GLU A 220 O HOH A 407 2.14 REMARK 500 O HOH A 389 O HOH A 406 2.18 REMARK 500 REMARK 500 REMARK: NULL 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 342 O HOH A 426 2574 2.12 REMARK 500 REMARK 500 REMARK: NULL 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 ILE A 109 C ILE A 109 O -0.149 REMARK 500 TYR A 190 CE1 TYR A 190 CZ -0.083 REMARK 500 TYR A 190 CZ TYR A 190 CE2 -0.090 REMARK 500 GLU A 219 CD GLU A 219 OE1 0.072 REMARK 500 GLU A 294 CD GLU A 294 OE2 0.079 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 ASP A 280 CB - CG - OD2 ANGL. DEV. = 6.5 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 TYR A 38 43.29 -106.42 REMARK 500 ILE A 42 59.44 -142.59 REMARK 500 SER A 43 137.54 -179.23 REMARK 500 ASP A 71 32.55 -92.40 REMARK 500 LEU A 73 -169.60 50.11 REMARK 500 THR A 171 -37.19 -153.16 REMARK 500 LYS A 172 82.90 55.51 REMARK 500 GLN A 182 -17.75 -49.98 REMARK 500 GLN A 183 -151.68 -145.15 REMARK 500 SER A 185 -79.74 -45.55 REMARK 500 THR A 216 -115.53 30.96 REMARK 500 LEU A 302 72.83 60.08 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 426 DISTANCE = 5.41 ANGSTROMS DBREF 1J7X A 4 300 UNP Q7SZI7 Q7SZI7_XENLA 319 615 SEQRES 1 A 302 ASP PRO SER VAL THR HIS VAL LEU HIS GLN LEU CYS ASP SEQRES 2 A 302 ILE LEU ALA ASN ASN TYR ALA PHE SER GLU ARG ILE PRO SEQRES 3 A 302 THR LEU LEU GLN HIS LEU PRO ASN LEU ASP TYR SER THR SEQRES 4 A 302 VAL ILE SER GLU GLU ASP ILE ALA ALA LYS LEU ASN TYR SEQRES 5 A 302 GLU LEU GLN SER LEU THR GLU ASP PRO ARG LEU VAL LEU SEQRES 6 A 302 LYS SER LYS THR ASP THR LEU VAL MSE PRO GLY ASP SER SEQRES 7 A 302 ILE GLN ALA GLU ASN ILE PRO GLU ASP GLU ALA MSE LEU SEQRES 8 A 302 GLN ALA LEU VAL ASN THR VAL PHE LYS VAL SER ILE LEU SEQRES 9 A 302 PRO GLY ASN ILE GLY TYR LEU ARG PHE ASP GLN PHE ALA SEQRES 10 A 302 ASP VAL SER VAL ILE ALA LYS LEU ALA PRO PHE ILE VAL SEQRES 11 A 302 ASN THR VAL TRP GLU PRO ILE THR ILE THR GLU ASN LEU SEQRES 12 A 302 ILE ILE ASP LEU ARG TYR ASN VAL GLY GLY SER SER THR SEQRES 13 A 302 ALA VAL PRO LEU LEU LEU SER TYR PHE LEU ASP PRO GLU SEQRES 14 A 302 THR LYS ILE HIS LEU PHE THR LEU HIS ASN ARG GLN GLN SEQRES 15 A 302 ASN SER THR ASP GLU VAL TYR SER HIS PRO LYS VAL LEU SEQRES 16 A 302 GLY LYS PRO TYR GLY SER LYS LYS GLY VAL TYR VAL LEU SEQRES 17 A 302 THR SER HIS GLN THR ALA THR ALA ALA GLU GLU PHE ALA SEQRES 18 A 302 TYR LEU MSE GLN SER LEU SER ARG ALA THR ILE ILE GLY SEQRES 19 A 302 GLU ILE THR SER GLY ASN LEU MSE HIS SER LYS VAL PHE SEQRES 20 A 302 PRO PHE GLY ASP THR GLN LEU SER VAL THR VAL PRO ILE SEQRES 21 A 302 ILE ASN PHE ILE ASP SER ASN GLY ASP TYR TRP LEU GLY SEQRES 22 A 302 GLY GLY VAL VAL PRO ASP ALA ILE VAL LEU ALA ASP GLU SEQRES 23 A 302 ALA LEU ASP LYS ALA LYS GLU ILE ILE ALA PHE HIS PRO SEQRES 24 A 302 PRO LEU ALA MODRES 1J7X MSE A 75 MET SELENOMETHIONINE MODRES 1J7X MSE A 91 MET SELENOMETHIONINE MODRES 1J7X MSE A 225 MET SELENOMETHIONINE MODRES 1J7X MSE A 243 MET SELENOMETHIONINE HET MSE A 75 8 HET MSE A 91 8 HET MSE A 225 8 HET MSE A 243 8 HETNAM MSE SELENOMETHIONINE FORMUL 1 MSE 4(C5 H11 N O2 SE) FORMUL 2 HOH *145(H2 O) HELIX 1 1 ASP A 2 TYR A 20 1 19 HELIX 2 2 PHE A 22 GLU A 24 5 3 HELIX 3 3 ARG A 25 LEU A 33 1 9 HELIX 4 4 PRO A 34 LEU A 36 5 3 HELIX 5 5 SER A 43 GLU A 60 1 18 HELIX 6 6 THR A 70 THR A 72 5 3 HELIX 7 7 GLN A 81 ILE A 85 5 5 HELIX 8 8 ASP A 88 PHE A 100 1 13 HELIX 9 9 ASP A 119 ALA A 127 1 9 HELIX 10 10 LEU A 126 VAL A 134 1 9 HELIX 11 11 VAL A 134 THR A 139 1 6 HELIX 12 12 ALA A 158 TYR A 165 1 8 HELIX 13 13 THR A 216 LEU A 228 1 13 HELIX 14 14 LEU A 284 ASP A 286 5 3 HELIX 15 15 GLU A 287 PHE A 298 1 12 SHEET 1 A 3 VAL A 65 SER A 68 0 SHEET 2 A 3 LEU A 255 PRO A 260 -1 N SER A 256 O LYS A 67 SHEET 3 A 3 SER A 245 PRO A 249 -1 O LYS A 246 N VAL A 259 SHEET 1 B 6 LYS A 101 LEU A 105 0 SHEET 2 B 6 ILE A 109 ARG A 113 -1 O ILE A 109 N LEU A 105 SHEET 3 B 6 ASN A 143 ASP A 147 1 O ASN A 143 N GLY A 110 SHEET 4 B 6 GLY A 205 THR A 210 1 O GLY A 205 N LEU A 144 SHEET 5 B 6 THR A 232 GLY A 235 1 O THR A 232 N VAL A 208 SHEET 6 B 6 ALA A 281 ILE A 282 1 O ALA A 281 N GLY A 235 SHEET 1 C 3 ASP A 187 TYR A 190 0 SHEET 2 C 3 HIS A 174 ASN A 180 -1 N LEU A 175 O VAL A 189 SHEET 3 C 3 ILE A 262 ASP A 266 -1 N ASN A 263 O HIS A 179 LINK C VAL A 74 N MSE A 75 1555 1555 1.34 LINK C MSE A 75 N PRO A 76 1555 1555 1.33 LINK C ALA A 90 N MSE A 91 1555 1555 1.33 LINK C MSE A 91 N LEU A 92 1555 1555 1.33 LINK C LEU A 224 N MSE A 225 1555 1555 1.33 LINK C MSE A 225 N GLN A 226 1555 1555 1.34 LINK C LEU A 242 N MSE A 243 1555 1555 1.33 LINK C MSE A 243 N HIS A 244 1555 1555 1.34 CRYST1 63.144 65.756 68.174 90.00 90.00 90.00 P 21 21 21 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 0.015837 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015208 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014668 0.00000