PDB Short entry for 1I1X HEADER HYDROLASE 04-FEB-01 1I1X TITLE 1.11 A ATOMIC RESOLUTION STRUCTURE OF A THERMOSTABLE XYLANASE FROM TITLE 2 THERMOASCUS AURANTIACUS COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENDO-1,4-BETA-XYLANASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: XYLANASE, 1,4-BETA-D-XYLAN XYLANOHYDROLASE; COMPND 5 EC: 3.2.1.8 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMOASCUS AURANTIACUS; SOURCE 3 ORGANISM_TAXID: 5087; SOURCE 4 STRAIN: STRAIN ISOLATED FROM LOCAL INDIAN SOIL KEYWDS XYLAN DEGRADATION, HYDROLASE, GLYCOSIDASE, ENZYME, ATOMIC RESOLUTION, KEYWDS 2 ROOM TEMPERATURE, 1, 4-BETA-XYLAN XYLANOHYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR R.NATESH,S.RAMAKUMAR,M.A.VISWAMITRA REVDAT 4 09-AUG-23 1I1X 1 REMARK SHEET REVDAT 3 25-DEC-19 1I1X 1 REMARK SEQADV SEQRES LINK REVDAT 2 24-FEB-09 1I1X 1 VERSN REVDAT 1 07-JAN-03 1I1X 0 JRNL AUTH R.NATESH,K.MANIKANDAN,P.BHANUMOORTHY,M.A.VISWAMITRA, JRNL AUTH 2 S.RAMAKUMAR JRNL TITL THERMOSTABLE XYLANASE FROM THERMOASCUS AURANTIACUS AT JRNL TITL 2 ULTRAHIGH RESOLUTION (0.89 A) AT 100 K AND ATOMIC RESOLUTION JRNL TITL 3 (1.11 A) AT 293 K REFINED ANISOTROPICALLY TO SMALL-MOLECULE JRNL TITL 4 ACCURACY. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 59 105 2003 JRNL REFN ISSN 0907-4449 JRNL PMID 12499546 JRNL DOI 10.1107/S0907444902020164 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.NATESH,P.BHANUMOORTHY,P.J.VITHAYATHIL,K.SEKAR,S.RAMAKUMAR, REMARK 1 AUTH 2 M.A.VISWAMITRA REMARK 1 TITL CRYSTAL STRUCTURE AT 1.8 A RESOLUTION AND PROPOSED AMINO REMARK 1 TITL 2 ACID SEQUENCE OF A THERMOSTABLE XYLANASE FROM THERMOASCUS REMARK 1 TITL 3 AURANTIASCUS REMARK 1 REF J.MOL.BIOL. V. 288 999 1999 REMARK 1 REFN ISSN 0022-2836 REMARK 1 DOI 10.1006/JMBI.1999.2727 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.A.VISWAMITRA,P.BHANUMOORTHY,S.RAMAKUMAR,M.V.MANJULA, REMARK 1 AUTH 2 P.J.VITHAYATHIL,S.K.MURTHY,A.P.NAREN REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY DIFFRACTION ANALYSIS REMARK 1 TITL 2 OF CRYSTALS OF THERMOASCUS AURANTIACUS XYLANASE REMARK 1 REF J.MOL.BIOL. V. 232 987 1993 REMARK 1 REFN ISSN 0022-2836 REMARK 1 DOI 10.1006/JMBI.1993.1444 REMARK 2 REMARK 2 RESOLUTION. 1.11 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) : 1.11 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 82.7 REMARK 3 CROSS-VALIDATION METHOD : FREE R 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) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.099 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.124 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 2.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1745 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 85628 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.092 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.117 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 2.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 1571 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 76475 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2309 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 265 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2536.0 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 2119.2 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 29 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 22784 REMARK 3 NUMBER OF RESTRAINTS : 28345 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.016 REMARK 3 ANGLE DISTANCES (A) : 0.031 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.029 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.085 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.111 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.000 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.006 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.040 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.100 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: CNS 0.4 WAS ALSO USED FOR REFINEMENT REMARK 4 REMARK 4 1I1X COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-FEB-01. REMARK 100 THE DEPOSITION ID IS D_1000012801. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-FEB-99 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 7.2 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) : 1.009 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL MONOCHROMATOR REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 90855 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.110 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 87.5 REMARK 200 DATA REDUNDANCY : 3.200 REMARK 200 R MERGE (I) : 0.05200 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 20.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.11 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.15 REMARK 200 COMPLETENESS FOR SHELL (%) : 81.3 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.36000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1TUX (1.8 A) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.32 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALS WERE GROWN BY SITTING DROP REMARK 280 AGAINST 12% AMMONIUM SULPHATE SOLUTION AT THE SAME BUFFER REMARK 280 CONDITION IN THE RESERVOIR., PH 7.2, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 34.04500 REMARK 290 SMTRY3 2 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 GLN A 303 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 GLN A 4 OE1 NE2 REMARK 480 LYS A 31 CE NZ REMARK 480 GLN A 75 NE2 REMARK 480 GLN A 141 CD OE1 NE2 REMARK 480 LYS A 193 CD CE NZ REMARK 480 GLN A 220 CD OE1 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 CE2 TYR A 181 O HOH A 754 1.21 REMARK 500 HG SER A 274 H ARG A 276 1.28 REMARK 500 CD2 TYR A 181 O HOH A 754 1.67 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 13 NE - CZ - NH2 ANGL. DEV. = -6.3 DEGREES REMARK 500 GLU A 46 OE1 - CD - OE2 ANGL. DEV. = 8.3 DEGREES REMARK 500 PHE A 63 CB - CG - CD2 ANGL. DEV. = -6.0 DEGREES REMARK 500 TYR A 68 CB - CG - CD1 ANGL. DEV. = 3.7 DEGREES REMARK 500 LEU A 69 CA - CB - CG ANGL. DEV. = 21.0 DEGREES REMARK 500 THR A 117 CA - CB - CG2 ANGL. DEV. = -8.7 DEGREES REMARK 500 ARG A 118 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 ARG A 124 CG - CD - NE ANGL. DEV. = -13.1 DEGREES REMARK 500 ARG A 124 NE - CZ - NH1 ANGL. DEV. = 6.2 DEGREES REMARK 500 ARG A 124 NE - CZ - NH1 ANGL. DEV. = -4.6 DEGREES REMARK 500 ARG A 124 NE - CZ - NH2 ANGL. DEV. = -7.2 DEGREES REMARK 500 TYR A 181 CB - CG - CD2 ANGL. DEV. = -4.5 DEGREES REMARK 500 TYR A 181 CB - CG - CD2 ANGL. DEV. = -7.8 DEGREES REMARK 500 TYR A 181 CD1 - CG - CD2 ANGL. DEV. = 6.8 DEGREES REMARK 500 TYR A 181 CB - CG - CD1 ANGL. DEV. = 6.2 DEGREES REMARK 500 TYR A 181 CG - CD2 - CE2 ANGL. DEV. = -5.8 DEGREES REMARK 500 LYS A 183 N - CA - CB ANGL. DEV. = -11.1 DEGREES REMARK 500 LYS A 183 N - CA - CB ANGL. DEV. = 11.3 DEGREES REMARK 500 ARG A 190 CD - NE - CZ ANGL. DEV. = 10.7 DEGREES REMARK 500 ARG A 190 NE - CZ - NH2 ANGL. DEV. = -5.6 DEGREES REMARK 500 ARG A 195 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 VAL A 266 CG1 - CB - CG2 ANGL. DEV. = -10.1 DEGREES REMARK 500 VAL A 266 CG1 - CB - CG2 ANGL. DEV. = -11.3 DEGREES REMARK 500 ARG A 276 NE - CZ - NH1 ANGL. DEV. = 5.9 DEGREES REMARK 500 ARG A 276 NE - CZ - NH2 ANGL. DEV. = -5.1 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 ASN A 47 -23.53 -143.42 REMARK 500 GLU A 237 45.51 -147.93 REMARK 500 VAL A 269 -66.70 -96.36 REMARK 500 THR A 280 62.48 35.50 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1TUX RELATED DB: PDB REMARK 900 1TUX IS THE SAME PROTEIN FROM SAME STRAIN SOLVED AT 1.8 A REMARK 900 RESOLUTION. REMARK 900 RELATED ID: 1I1W RELATED DB: PDB REMARK 900 1I1W IS SAME PROTEIN STRUCTURE SOLVED AT 0.89 A CRYO TEMPERATURE REMARK 900 WITH GLYCEROL AS CRYO PROTECTANT. DBREF 1I1X A 1 303 UNP P23360 XYNA_THEAU 27 329 SEQADV 1I1X ASN A 39 UNP P23360 ASP 65 SEE REMARK 999 SEQADV 1I1X LYS A 193 UNP P23360 GLN 219 SEE REMARK 999 SEQADV 1I1X SER A 259 UNP P23360 GLN 285 SEE REMARK 999 SEQADV 1I1X ASN A 300 UNP P23360 ASP 326 SEE REMARK 999 SEQRES 1 A 303 PCA ALA ALA GLN SER VAL ASP GLN LEU ILE LYS ALA ARG SEQRES 2 A 303 GLY LYS VAL TYR PHE GLY VAL ALA THR ASP GLN ASN ARG SEQRES 3 A 303 LEU THR THR GLY LYS ASN ALA ALA ILE ILE GLN ALA ASN SEQRES 4 A 303 PHE GLY GLN VAL THR PRO GLU ASN SER MET LYS TRP ASP SEQRES 5 A 303 ALA THR GLU PRO SER GLN GLY ASN PHE ASN PHE ALA GLY SEQRES 6 A 303 ALA ASP TYR LEU VAL ASN TRP ALA GLN GLN ASN GLY LYS SEQRES 7 A 303 LEU ILE ARG GLY HIS THR LEU VAL TRP HIS SER GLN LEU SEQRES 8 A 303 PRO SER TRP VAL SER SER ILE THR ASP LYS ASN THR LEU SEQRES 9 A 303 THR ASN VAL MET LYS ASN HIS ILE THR THR LEU MET THR SEQRES 10 A 303 ARG TYR LYS GLY LYS ILE ARG ALA TRP ASP VAL VAL ASN SEQRES 11 A 303 GLU ALA PHE ASN GLU ASP GLY SER LEU ARG GLN THR VAL SEQRES 12 A 303 PHE LEU ASN VAL ILE GLY GLU ASP TYR ILE PRO ILE ALA SEQRES 13 A 303 PHE GLN THR ALA ARG ALA ALA ASP PRO ASN ALA LYS LEU SEQRES 14 A 303 TYR ILE ASN ASP TYR ASN LEU ASP SER ALA SER TYR PRO SEQRES 15 A 303 LYS THR GLN ALA ILE VAL ASN ARG VAL LYS LYS TRP ARG SEQRES 16 A 303 ALA ALA GLY VAL PRO ILE ASP GLY ILE GLY SER GLN THR SEQRES 17 A 303 HIS LEU SER ALA GLY GLN GLY ALA SER VAL LEU GLN ALA SEQRES 18 A 303 LEU PRO LEU LEU ALA SER ALA GLY THR PRO GLU VAL ALA SEQRES 19 A 303 ILE THR GLU LEU ASP VAL ALA GLY ALA SER SER THR ASP SEQRES 20 A 303 TYR VAL ASN VAL VAL ASN ALA CYS LEU ASN VAL SER SER SEQRES 21 A 303 CYS VAL GLY ILE THR VAL TRP GLY VAL ALA ASP PRO ASP SEQRES 22 A 303 SER TRP ARG ALA SER THR THR PRO LEU LEU PHE ASP GLY SEQRES 23 A 303 ASN PHE ASN PRO LYS PRO ALA TYR ASN ALA ILE VAL GLN SEQRES 24 A 303 ASN LEU GLN GLN MODRES 1I1X PCA A 1 GLN PYROGLUTAMIC ACID HET PCA A 1 14 HETNAM PCA PYROGLUTAMIC ACID FORMUL 1 PCA C5 H7 N O3 FORMUL 2 HOH *265(H2 O) HELIX 1 1 SER A 5 ARG A 13 1 9 HELIX 2 2 ASP A 23 THR A 28 1 6 HELIX 3 3 LYS A 31 PHE A 40 1 10 HELIX 4 4 LYS A 50 GLU A 55 1 6 HELIX 5 5 PHE A 63 GLY A 77 1 15 HELIX 6 6 PRO A 92 SER A 97 1 6 HELIX 7 7 ASP A 100 TYR A 119 1 20 HELIX 8 8 THR A 142 ILE A 148 1 7 HELIX 9 9 ASP A 151 ASP A 164 1 14 HELIX 10 10 TYR A 181 ALA A 197 1 17 HELIX 11 11 GLN A 214 SER A 227 1 14 HELIX 12 12 SER A 244 VAL A 258 1 15 HELIX 13 13 ASP A 271 SER A 274 5 4 HELIX 14 14 ARG A 276 THR A 280 5 5 HELIX 15 15 LYS A 291 GLN A 302 1 12 SHEET 1 A20 HIS A 209 LEU A 210 0 SHEET 2 A20 GLU A 232 VAL A 240 1 O ASP A 239 N LEU A 210 SHEET 3 A20 CYS A 261 VAL A 266 1 N VAL A 262 O VAL A 233 SHEET 4 A20 TYR A 17 THR A 22 1 O TYR A 17 N ILE A 264 SHEET 5 A20 GLN A 42 PRO A 45 1 O GLN A 42 N VAL A 20 SHEET 6 A20 LEU A 79 VAL A 86 1 O LEU A 79 N VAL A 43 SHEET 7 A20 ALA A 125 ASN A 130 1 O ALA A 125 N GLY A 82 SHEET 8 A20 LYS A 168 ASP A 173 1 O LYS A 168 N TRP A 126 SHEET 9 A20 GLY A 203 SER A 206 1 O GLY A 203 N ILE A 171 SHEET 10 A20 GLU A 232 VAL A 240 1 O GLU A 232 N ILE A 204 SHEET 11 A20 HIS A 209 LEU A 210 0 SHEET 12 A20 GLU A 232 VAL A 240 1 O ASP A 239 N LEU A 210 SHEET 13 A20 CYS A 261 VAL A 266 1 N VAL A 262 O VAL A 233 SHEET 14 A20 TYR A 17 THR A 22 1 O TYR A 17 N ILE A 264 SHEET 15 A20 GLN A 42 PRO A 45 1 O GLN A 42 N VAL A 20 SHEET 16 A20 LEU A 79 VAL A 86 1 O LEU A 79 N VAL A 43 SHEET 17 A20 ALA A 125 ASN A 130 1 O ALA A 125 N GLY A 82 SHEET 18 A20 LYS A 168 ASP A 173 1 O LYS A 168 N TRP A 126 SHEET 19 A20 GLY A 203 SER A 206 1 O GLY A 203 N ILE A 171 SHEET 20 A20 GLU A 232 VAL A 240 1 O GLU A 232 N ILE A 204 SSBOND 1 CYS A 255 CYS A 261 1555 1555 2.05 LINK C PCA A 1 N ALA A 2 1555 1555 1.32 CISPEP 1 HIS A 83 THR A 84 0 -3.86 CRYST1 41.520 68.090 51.440 90.00 113.56 90.00 P 1 21 1 2 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 0.024085 0.000000 0.010502 0.00000 SCALE2 0.000000 0.014686 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021208 0.00000 HETATM 1 N PCA A 1 21.604 -9.042 34.833 1.00 16.22 N ANISOU 1 N PCA A 1 1453 2791 1918 -362 -90 776 N HETATM 2 CA PCA A 1 20.275 -9.472 34.456 1.00 16.21 C ANISOU 2 CA PCA A 1 1460 2949 1752 -592 87 983 C HETATM 3 CB PCA A 1 20.438 -10.918 34.031 1.00 19.21 C ANISOU 3 CB PCA A 1 2540 3121 1639 -879 102 630 C HETATM 4 CG PCA A 1 21.908 -11.047 34.140 1.00 23.76 C ANISOU 4 CG PCA A 1 2718 3773 2537 159 19 -585 C HETATM 5 CD PCA A 1 22.503 -9.869 34.573 1.00 19.64 C ANISOU 5 CD PCA A 1 1623 3575 2266 -173 287 416 C HETATM 6 OE PCA A 1 23.753 -9.789 34.862 1.00 28.26 O ANISOU 6 OE PCA A 1 1691 5321 3727 301 -99 -557 O HETATM 7 C PCA A 1 19.373 -9.317 35.706 1.00 15.97 C ANISOU 7 C PCA A 1 1522 2765 1781 -377 60 1210 C HETATM 8 O PCA A 1 19.770 -9.679 36.844 1.00 17.02 O ANISOU 8 O PCA A 1 1718 3044 1704 -124 -77 1088 O HETATM 9 H PCA A 1 21.761 -8.283 35.205 1.00 19.46 H HETATM 10 HA PCA A 1 19.934 -8.930 33.714 1.00 19.46 H HETATM 11 HB2 PCA A 1 19.977 -11.524 34.632 1.00 23.06 H HETATM 12 HB3 PCA A 1 20.129 -11.064 33.123 1.00 23.06 H HETATM 13 HG2 PCA A 1 22.121 -11.759 34.763 1.00 28.51 H HETATM 14 HG3 PCA A 1 22.273 -11.289 33.274 1.00 28.51 H