HEADER OUTER MEMBRANE PROTEIN 17-JUL-00 1E54 TITLE ANION-SELECTIVE PORIN FROM COMAMONAS ACIDOVORANS COMPND MOL_ID: 1; COMPND 2 MOLECULE: OUTER MEMBRANE PORIN PROTEIN 32; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: OMP32; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: OMP32; COMPND 7 CHAIN: B SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: COMAMONAS ACIDOVORANS; SOURCE 3 ORGANISM_TAXID: 80866; SOURCE 4 ATCC: 15668; SOURCE 5 CELLULAR_LOCATION: OUTER MEMBRANE; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: COMAMONAS ACIDOVORANS; SOURCE 8 ORGANISM_TAXID: 80866; SOURCE 9 ATCC: 15668; SOURCE 10 CELLULAR_LOCATION: OUTER MEMBRANE KEYWDS OUTER MEMBRANE PROTEIN, ANIONEN CHANNEL, CHANNEL PROTEIN, BETA BARREL EXPDTA X-RAY DIFFRACTION AUTHOR K.ZETH,K.DIEDERICHS,W.WELTE,H.ENGELHARDT REVDAT 5 16-OCT-24 1E54 1 REMARK LINK REVDAT 4 11-MAR-20 1E54 1 SEQRES REVDAT 3 23-OCT-19 1E54 1 SEQADV LINK REVDAT 2 24-FEB-09 1E54 1 VERSN REVDAT 1 12-JUL-01 1E54 0 JRNL AUTH K.ZETH,K.DIEDERICHS,W.WELTE,H.ENGELHARDT JRNL TITL CRYSTAL STRUCTURE OF OMP32, THE ANION-SELECTIVE PORIN FROM JRNL TITL 2 COMAMONAS ACIDOVORANS, IN COMPLEX WITH A PERIPLASMIC JRNL TITL 3 PEPTIDEAT 2.1 A RESOLUTION JRNL REF STRUCTURE V. 8 981 2000 JRNL REFN ISSN 0969-2126 JRNL PMID 10986465 JRNL DOI 10.1016/S0969-2126(00)00189-1 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.9 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 89.4 REMARK 3 NUMBER OF REFLECTIONS : 29830 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) : 0.200 REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1479 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 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) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.23 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 72.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3999 REMARK 3 BIN R VALUE (WORKING SET) : 0.2440 REMARK 3 BIN FREE R VALUE : 0.2650 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 202 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.019 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2526 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 98 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 5.66000 REMARK 3 B22 (A**2) : 5.66000 REMARK 3 B33 (A**2) : -11.33000 REMARK 3 B12 (A**2) : 5.04000 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) : 0.24 REMARK 3 ESD FROM SIGMAA (A) : 0.23 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) : 0.28 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.23 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.010 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) : 1.000 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.570 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.600 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.440 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.32 REMARK 3 BSOL : 60.02 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CA.PAR REMARK 3 PARAMETER FILE 3 : SULFAT.PAR REMARK 3 PARAMETER FILE 4 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : SULFAT.TOP REMARK 3 TOPOLOGY FILE 3 : CA.TOP REMARK 3 TOPOLOGY FILE 4 : WATER.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1E54 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 17-JUL-00. REMARK 100 THE DEPOSITION ID IS D_1290004960. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 277.0 REMARK 200 PH : 7.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : MPG/DESY, HAMBURG REMARK 200 BEAMLINE : BW6 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : 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 : 29830 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 84.9 REMARK 200 DATA REDUNDANCY : 2.200 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.12000 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.23 REMARK 200 COMPLETENESS FOR SHELL (%) : 72.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.40200 REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SIRAS REMARK 200 SOFTWARE USED: SOLVE, SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 73.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.00 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 X+2/3,Y+1/3,Z+1/3 REMARK 290 5555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 6555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 7555 X+1/3,Y+2/3,Z+2/3 REMARK 290 8555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 9555 -X+Y+1/3,-X+2/3,Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 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 53.62500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 30.96041 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 46.86333 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 53.62500 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 30.96041 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 46.86333 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 53.62500 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 30.96041 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 46.86333 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 61.92082 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 93.72667 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 61.92082 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 93.72667 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 61.92082 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 93.72667 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 TOTAL BURIED SURFACE AREA: 12380 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 45840 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -97.1 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 107.25000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 53.62500 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 92.88122 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 400 REMARK 400 COMPOUND REMARK 400 FUNCTION: FORMS ANION SELECTIVE CHANNELS. REMARK 400 SUBUNIT: HOMOTRIMER (BY SIMILARITY). REMARK 400 SUBCELLULAR LOCATION: INTEGRAL MEMBRANE PROTEIN. OUTER MEMBRANE. REMARK 400 SIMILARITY: TO BACTERIAL OUTER MEMBRANE PROTEINS AND PORINS. 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 ASP A 20 -167.24 -109.48 REMARK 500 ARG A 76 132.46 -170.65 REMARK 500 SER A 167 37.03 -143.02 REMARK 500 ASP A 299 -112.02 46.71 REMARK 500 VAL A 310 -59.41 -120.69 REMARK 500 THR B 407 -108.32 -111.02 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 CA A 500 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LEU A 29 O REMARK 620 2 ASP A 64 OD2 83.2 REMARK 620 3 ASN A 136 OD1 94.3 97.8 REMARK 620 4 GLU A 158 OE1 123.5 151.1 91.3 REMARK 620 5 GLU A 158 OE2 79.9 159.3 71.6 49.2 REMARK 620 6 GLY A 309 O 94.4 93.9 166.1 74.9 99.3 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 CA A 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 600 DBREF 1E54 A 1 332 UNP P24305 OM32_COMAC 20 351 DBREF 1E54 B 401 408 PDB 1E54 1E54 401 408 SEQADV 1E54 PCA A 1 UNP P24305 GLN 20 MODIFIED RESIDUE SEQRES 1 A 332 PCA SER SER VAL THR LEU PHE GLY ILE VAL ASP THR ASN SEQRES 2 A 332 VAL ALA TYR VAL ASN LYS ASP ALA ALA GLY ASP SER ARG SEQRES 3 A 332 TYR GLY LEU GLY THR SER GLY ALA SER THR SER ARG LEU SEQRES 4 A 332 GLY LEU ARG GLY THR GLU ASP LEU GLY GLY GLY LEU LYS SEQRES 5 A 332 ALA GLY PHE TRP LEU GLU GLY GLU ILE PHE GLY ASP ASP SEQRES 6 A 332 GLY ASN ALA SER GLY PHE ASN PHE LYS ARG ARG SER THR SEQRES 7 A 332 VAL SER LEU SER GLY ASN PHE GLY GLU VAL ARG LEU GLY SEQRES 8 A 332 ARG ASP LEU VAL PRO THR SER GLN LYS LEU THR SER TYR SEQRES 9 A 332 ASP LEU PHE SER ALA THR GLY ILE GLY PRO PHE MET GLY SEQRES 10 A 332 PHE ARG ASN TRP ALA ALA GLY GLN GLY ALA ASP ASP ASN SEQRES 11 A 332 GLY ILE ARG ALA ASN ASN LEU ILE SER TYR TYR THR PRO SEQRES 12 A 332 ASN PHE GLY GLY PHE ASN ALA GLY PHE GLY TYR ALA PHE SEQRES 13 A 332 ASP GLU LYS GLN THR ILE GLY THR ALA ASP SER VAL GLY SEQRES 14 A 332 ARG TYR ILE GLY GLY TYR VAL ALA TYR ASP ASN GLY PRO SEQRES 15 A 332 LEU SER ALA SER LEU GLY LEU ALA GLN GLN LYS THR ALA SEQRES 16 A 332 VAL GLY GLY LEU ALA THR ASP ARG ASP GLU ILE THR LEU SEQRES 17 A 332 GLY ALA SER TYR ASN PHE GLY VAL ALA LYS LEU SER GLY SEQRES 18 A 332 LEU LEU GLN GLN THR LYS PHE LYS ARG ASP ILE GLY GLY SEQRES 19 A 332 ASP ILE LYS THR ASN SER TYR MET LEU GLY ALA SER ALA SEQRES 20 A 332 PRO VAL GLY GLY VAL GLY GLU VAL LYS LEU GLN TYR ALA SEQRES 21 A 332 LEU TYR ASP GLN LYS ALA ILE ASP SER LYS ALA HIS GLN SEQRES 22 A 332 ILE THR LEU GLY TYR VAL HIS ASN LEU SER LYS ARG THR SEQRES 23 A 332 ALA LEU TYR GLY ASN LEU ALA PHE LEU LYS ASN LYS ASP SEQRES 24 A 332 ALA SER THR LEU GLY LEU GLN ALA LYS GLY VAL TYR ALA SEQRES 25 A 332 GLY GLY VAL GLN ALA GLY GLU SER GLN THR GLY VAL GLN SEQRES 26 A 332 VAL GLY ILE ARG HIS ALA PHE SEQRES 1 B 8 ASP ASN TRP GLN ASN GLY THR SER MODRES 1E54 PCA A 1 GLU PYROGLUTAMIC ACID HET PCA A 1 8 HET CA A 500 1 HET SO4 A 600 5 HETNAM PCA PYROGLUTAMIC ACID HETNAM CA CALCIUM ION HETNAM SO4 SULFATE ION FORMUL 1 PCA C5 H7 N O3 FORMUL 3 CA CA 2+ FORMUL 4 SO4 O4 S 2- FORMUL 5 HOH *98(H2 O) HELIX 1 1 VAL A 95 THR A 102 1 8 HELIX 2 2 SER A 103 ASP A 105 5 3 HELIX 3 3 ALA A 266 ASP A 268 5 3 SHEET 1 A17 ARG A 38 THR A 44 0 SHEET 2 A17 SER A 3 VAL A 17 -1 N ILE A 9 O ARG A 38 SHEET 3 A17 SER A 320 PHE A 332 -1 N PHE A 332 O GLY A 8 SHEET 4 A17 THR A 286 ASN A 297 -1 N LEU A 295 O GLN A 321 SHEET 5 A17 SER A 269 ASN A 281 -1 N HIS A 280 O LEU A 288 SHEET 6 A17 GLY A 253 GLN A 264 -1 N GLN A 264 O SER A 269 SHEET 7 A17 ASP A 235 PRO A 248 -1 N ALA A 247 O VAL A 255 SHEET 8 A17 LYS A 218 ARG A 230 -1 N PHE A 228 O ILE A 236 SHEET 9 A17 LEU A 199 ASN A 213 -1 N TYR A 212 O LEU A 219 SHEET 10 A17 LEU A 183 VAL A 196 -1 N VAL A 196 O LEU A 199 SHEET 11 A17 TYR A 171 ASN A 180 -1 N ASN A 180 O LEU A 183 SHEET 12 A17 PHE A 148 ALA A 155 -1 N ALA A 155 O TYR A 171 SHEET 13 A17 LEU A 137 TYR A 141 -1 N TYR A 140 O PHE A 152 SHEET 14 A17 GLY A 86 LEU A 90 -1 N ARG A 89 O SER A 139 SHEET 15 A17 ARG A 76 GLY A 83 -1 N GLY A 83 O GLY A 86 SHEET 16 A17 LEU A 51 GLU A 60 -1 N GLU A 58 O ARG A 76 SHEET 17 A17 ARG A 38 GLY A 48 -1 N GLY A 48 O LEU A 51 SHEET 1 B 2 THR A 12 VAL A 17 0 SHEET 2 B 2 ARG A 26 THR A 31 -1 N GLY A 30 O ASN A 13 LINK C PCA A 1 N SER A 2 1555 1555 1.35 LINK O LEU A 29 CA CA A 500 1555 1555 2.46 LINK OD2 ASP A 64 CA CA A 500 1555 1555 2.69 LINK OD1 ASN A 136 CA CA A 500 3665 1555 2.41 LINK OE1 GLU A 158 CA CA A 500 3665 1555 2.71 LINK OE2 GLU A 158 CA CA A 500 3665 1555 2.54 LINK O GLY A 309 CA CA A 500 1555 1555 2.40 SITE 1 AC1 5 LEU A 29 ASP A 64 ASN A 136 GLU A 158 SITE 2 AC1 5 GLY A 309 SITE 1 AC2 2 ARG A 38 HOH A2097 CRYST1 107.250 107.250 140.590 90.00 90.00 120.00 H 3 9 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 0.009324 0.005383 0.000000 0.00000 SCALE2 0.000000 0.010766 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007113 0.00000 HETATM 1 N PCA A 1 53.532 13.967 13.542 1.00 59.90 N HETATM 2 CA PCA A 1 54.683 14.627 13.517 1.00 58.00 C HETATM 3 CB PCA A 1 54.931 15.392 12.214 1.00 59.38 C HETATM 4 CG PCA A 1 53.564 15.202 11.482 1.00 60.96 C HETATM 5 CD PCA A 1 52.838 14.243 12.421 1.00 61.28 C HETATM 6 OE PCA A 1 51.736 13.774 12.182 1.00 62.98 O HETATM 7 C PCA A 1 55.126 15.313 14.784 1.00 53.87 C HETATM 8 O PCA A 1 54.917 14.765 15.859 1.00 53.65 O