HEADER HYDROLASE 16-SEP-20 7K4T TITLE CRYSTAL STRUCTURE OF KEMP ELIMINASE HG3.17 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,TAXI; COMPND 5 EC: 3.2.1.8; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMOASCUS AURANTIACUS; SOURCE 3 ORGANISM_TAXID: 5087; SOURCE 4 GENE: XYNA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS KEMP ELIMINATION, DIRECTED EVOLUTION, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR R.A.P.PADUA,R.OTTEN,A.BUNZEL,V.NGUYEN,W.PITSAWONG,M.PATTERSON,S.SUI, AUTHOR 2 S.L.PERRY,A.E.COHEN,D.HILVERT,D.KERN REVDAT 3 18-OCT-23 7K4T 1 REMARK REVDAT 2 30-DEC-20 7K4T 1 JRNL REVDAT 1 02-DEC-20 7K4T 0 JRNL AUTH R.OTTEN,R.A.P.PADUA,H.A.BUNZEL,V.NGUYEN,W.PITSAWONG, JRNL AUTH 2 M.PATTERSON,S.SUI,S.L.PERRY,A.E.COHEN,D.HILVERT,D.KERN JRNL TITL HOW DIRECTED EVOLUTION RESHAPES THE ENERGY LANDSCAPE IN AN JRNL TITL 2 ENZYME TO BOOST CATALYSIS. JRNL REF SCIENCE V. 370 1442 2020 JRNL REFN ESSN 1095-9203 JRNL PMID 33214289 JRNL DOI 10.1126/SCIENCE.ABD3623 REMARK 2 REMARK 2 RESOLUTION. 1.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.17.1_3660 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.11 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 131201 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.159 REMARK 3 R VALUE (WORKING SET) : 0.159 REMARK 3 FREE R VALUE : 0.181 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 1.530 REMARK 3 FREE R VALUE TEST SET COUNT : 2009 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 40.1100 - 2.4100 1.00 9663 151 0.1710 0.2028 REMARK 3 2 2.4100 - 1.9100 1.00 9344 146 0.1575 0.1571 REMARK 3 3 1.9100 - 1.6700 1.00 9263 148 0.1490 0.1554 REMARK 3 4 1.6700 - 1.5200 1.00 9267 142 0.1431 0.1696 REMARK 3 5 1.5200 - 1.4100 1.00 9244 155 0.1405 0.1742 REMARK 3 6 1.4100 - 1.3300 1.00 9164 130 0.1421 0.1752 REMARK 3 7 1.3300 - 1.2600 1.00 9198 140 0.1424 0.1823 REMARK 3 8 1.2600 - 1.2000 1.00 9197 154 0.1429 0.1675 REMARK 3 9 1.2000 - 1.1600 1.00 9151 130 0.1395 0.1569 REMARK 3 10 1.1600 - 1.1200 1.00 9165 149 0.1427 0.1696 REMARK 3 11 1.1200 - 1.0800 1.00 9122 148 0.1520 0.1666 REMARK 3 12 1.0800 - 1.0500 1.00 9154 133 0.1804 0.2288 REMARK 3 13 1.0500 - 1.0200 1.00 9132 142 0.2260 0.2460 REMARK 3 14 1.0200 - 1.0000 1.00 9128 141 0.2688 0.2992 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.102 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 16.617 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 6.79 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 8.50 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.009 2717 REMARK 3 ANGLE : 1.085 3755 REMARK 3 CHIRALITY : 0.084 403 REMARK 3 PLANARITY : 0.009 517 REMARK 3 DIHEDRAL : 6.058 398 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7K4T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-SEP-20. REMARK 100 THE DEPOSITION ID IS D_1000251740. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-APR-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.2.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : IMOSFLM REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 131238 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.999 REMARK 200 RESOLUTION RANGE LOW (A) : 40.110 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.04 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 5.10 REMARK 200 R MERGE FOR SHELL (I) : NULL 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: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 4BS0 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 32.33 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.82 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% (W/V) PEG 6,000, 100 MM PIPES, PH REMARK 280 7.0, AND 10 MM DTT, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 291K 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 25.07500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 35.99000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.41000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 35.99000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.07500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 33.41000 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 GLY A -4 REMARK 465 SER A -3 REMARK 465 GLY A -2 REMARK 465 MET A -1 REMARK 465 ALA A 0 REMARK 465 GLU A 1 REMARK 465 GLN A 303 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 O HOH A 448 O HOH A 543 2.09 REMARK 500 O HOH A 487 O HOH A 747 2.11 REMARK 500 O HOH A 443 O HOH A 719 2.12 REMARK 500 OE1 GLN A 8 O HOH A 401 2.15 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 434 O HOH A 688 3545 2.10 REMARK 500 O HOH A 811 O HOH A 812 2555 2.11 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 ASP A 164 89.61 -151.84 REMARK 500 VAL A 269 -72.72 -97.71 REMARK 500 THR A 280 62.57 36.16 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 836 DISTANCE = 6.06 ANGSTROMS REMARK 525 HOH A 837 DISTANCE = 6.48 ANGSTROMS DBREF 7K4T A 2 303 UNP P23360 XYNA_THEAU 28 329 SEQADV 7K4T GLY A -4 UNP P23360 EXPRESSION TAG SEQADV 7K4T SER A -3 UNP P23360 EXPRESSION TAG SEQADV 7K4T GLY A -2 UNP P23360 EXPRESSION TAG SEQADV 7K4T MET A -1 UNP P23360 EXPRESSION TAG SEQADV 7K4T ALA A 0 UNP P23360 EXPRESSION TAG SEQADV 7K4T GLU A 1 UNP P23360 EXPRESSION TAG SEQADV 7K4T ILE A 6 UNP P23360 VAL 32 CONFLICT SEQADV 7K4T LYS A 37 UNP P23360 GLN 63 CONFLICT SEQADV 7K4T MET A 42 UNP P23360 GLN 68 CONFLICT SEQADV 7K4T TRP A 44 UNP P23360 THR 70 CONFLICT SEQADV 7K4T GLN A 50 UNP P23360 LYS 76 CONFLICT SEQADV 7K4T GLY A 81 UNP P23360 ARG 107 CONFLICT SEQADV 7K4T ALA A 82 UNP P23360 GLY 108 CONFLICT SEQADV 7K4T GLY A 83 UNP P23360 HIS 109 CONFLICT SEQADV 7K4T CYS A 84 UNP P23360 THR 110 CONFLICT SEQADV 7K4T ASN A 89 UNP P23360 SER 115 CONFLICT SEQADV 7K4T PHE A 90 UNP P23360 GLN 116 CONFLICT SEQADV 7K4T ILE A 105 UNP P23360 THR 131 CONFLICT SEQADV 7K4T THR A 125 UNP P23360 ALA 151 CONFLICT SEQADV 7K4T GLY A 130 UNP P23360 ASN 156 CONFLICT SEQADV 7K4T ASN A 142 UNP P23360 THR 168 CONFLICT SEQADV 7K4T MET A 172 UNP P23360 ASN 198 CONFLICT SEQADV 7K4T MET A 208 UNP P23360 THR 234 CONFLICT SEQADV 7K4T SER A 234 UNP P23360 ALA 260 CONFLICT SEQADV 7K4T LEU A 236 UNP P23360 THR 262 CONFLICT SEQADV 7K4T MET A 237 UNP P23360 GLU 263 CONFLICT SEQADV 7K4T MET A 267 UNP P23360 TRP 293 CONFLICT SEQADV 7K4T ALA A 275 UNP P23360 TRP 301 CONFLICT SEQADV 7K4T PHE A 276 UNP P23360 ARG 302 CONFLICT SEQADV 7K4T SER A 279 UNP P23360 THR 305 CONFLICT SEQRES 1 A 308 GLY SER GLY MET ALA GLU ALA ALA GLN SER ILE ASP GLN SEQRES 2 A 308 LEU ILE LYS ALA ARG GLY LYS VAL TYR PHE GLY VAL ALA SEQRES 3 A 308 THR ASP GLN ASN ARG LEU THR THR GLY LYS ASN ALA ALA SEQRES 4 A 308 ILE ILE LYS ALA ASP PHE GLY MET VAL TRP PRO GLU ASN SEQRES 5 A 308 SER MET GLN TRP ASP ALA THR GLU PRO SER GLN GLY ASN SEQRES 6 A 308 PHE ASN PHE ALA GLY ALA ASP TYR LEU VAL ASN TRP ALA SEQRES 7 A 308 GLN GLN ASN GLY LYS LEU ILE GLY ALA GLY CYS LEU VAL SEQRES 8 A 308 TRP HIS ASN PHE LEU PRO SER TRP VAL SER SER ILE THR SEQRES 9 A 308 ASP LYS ASN THR LEU ILE ASN VAL MET LYS ASN HIS ILE SEQRES 10 A 308 THR THR LEU MET THR ARG TYR LYS GLY LYS ILE ARG THR SEQRES 11 A 308 TRP ASP VAL VAL GLY GLU ALA PHE ASN GLU ASP GLY SER SEQRES 12 A 308 LEU ARG GLN ASN VAL PHE LEU ASN VAL ILE GLY GLU ASP SEQRES 13 A 308 TYR ILE PRO ILE ALA PHE GLN THR ALA ARG ALA ALA ASP SEQRES 14 A 308 PRO ASN ALA LYS LEU TYR ILE MET ASP TYR ASN LEU ASP SEQRES 15 A 308 SER ALA SER TYR PRO LYS THR GLN ALA ILE VAL ASN ARG SEQRES 16 A 308 VAL LYS GLN TRP ARG ALA ALA GLY VAL PRO ILE ASP GLY SEQRES 17 A 308 ILE GLY SER GLN MET HIS LEU SER ALA GLY GLN GLY ALA SEQRES 18 A 308 GLY VAL LEU GLN ALA LEU PRO LEU LEU ALA SER ALA GLY SEQRES 19 A 308 THR PRO GLU VAL SER ILE LEU MET LEU ASP VAL ALA GLY SEQRES 20 A 308 ALA SER PRO THR ASP TYR VAL ASN VAL VAL ASN ALA CYS SEQRES 21 A 308 LEU ASN VAL GLN SER CYS VAL GLY ILE THR VAL MET GLY SEQRES 22 A 308 VAL ALA ASP PRO ASP SER ALA PHE ALA SER SER THR PRO SEQRES 23 A 308 LEU LEU PHE ASP GLY ASN PHE ASN PRO LYS PRO ALA TYR SEQRES 24 A 308 ASN ALA ILE VAL GLN ASP LEU GLN GLN FORMUL 2 HOH *437(H2 O) HELIX 1 AA1 SER A 5 ARG A 13 1 9 HELIX 2 AA2 ASP A 23 THR A 28 1 6 HELIX 3 AA3 LYS A 31 PHE A 40 1 10 HELIX 4 AA4 GLN A 50 GLU A 55 1 6 HELIX 5 AA5 PHE A 63 ASN A 76 1 14 HELIX 6 AA6 PRO A 92 SER A 97 1 6 HELIX 7 AA7 ASP A 100 TYR A 119 1 20 HELIX 8 AA8 ASN A 142 ILE A 148 1 7 HELIX 9 AA9 ASP A 151 ASP A 164 1 14 HELIX 10 AB1 TYR A 181 ALA A 197 1 17 HELIX 11 AB2 GLN A 214 SER A 227 1 14 HELIX 12 AB3 SER A 244 VAL A 258 1 15 HELIX 13 AB4 ALA A 270 SER A 274 5 5 HELIX 14 AB5 PHE A 276 THR A 280 5 5 HELIX 15 AB6 LYS A 291 GLN A 302 1 12 SHEET 1 AA1 9 TYR A 17 THR A 22 0 SHEET 2 AA1 9 MET A 42 PRO A 45 1 O TRP A 44 N THR A 22 SHEET 3 AA1 9 LEU A 79 VAL A 86 1 O LEU A 79 N VAL A 43 SHEET 4 AA1 9 THR A 125 GLY A 130 1 O ASP A 127 N ALA A 82 SHEET 5 AA1 9 LYS A 168 TYR A 174 1 O TYR A 170 N TRP A 126 SHEET 6 AA1 9 GLY A 203 LEU A 210 1 O GLN A 207 N ASP A 173 SHEET 7 AA1 9 GLU A 232 VAL A 240 1 O ASP A 239 N LEU A 210 SHEET 8 AA1 9 CYS A 261 VAL A 266 1 O THR A 265 N LEU A 238 SHEET 9 AA1 9 TYR A 17 THR A 22 1 N GLY A 19 O ILE A 264 SSBOND 1 CYS A 255 CYS A 261 1555 1555 2.04 CISPEP 1 GLY A 83 CYS A 84 0 -3.63 CRYST1 50.150 66.820 71.980 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 0.019940 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014966 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013893 0.00000