HEADER HYDROLASE 16-SEP-20 7K4U TITLE CRYSTAL STRUCTURE OF KEMP ELIMINASE HG3 K50Q IN COMPLEX WITH THE TITLE 2 TRANSITION STATE ANALOG 6-NITROBENZOTRIAZOLE 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, TRANSITION STATE ANALOG, KEYWDS 2 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 7K4U 1 REMARK REVDAT 2 30-DEC-20 7K4U 1 JRNL REVDAT 1 02-DEC-20 7K4U 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. 1.30 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) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.39 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 3 NUMBER OF REFLECTIONS : 57538 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.186 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.211 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 3.470 REMARK 3 FREE R VALUE TEST SET COUNT : 3737 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 33.3900 - 3.9000 0.99 3895 138 0.1408 0.1448 REMARK 3 2 3.9000 - 3.0900 0.98 3871 140 0.1301 0.1418 REMARK 3 3 3.0900 - 2.7000 1.00 3904 146 0.1390 0.1673 REMARK 3 4 2.7000 - 2.4600 1.00 3964 143 0.1348 0.1433 REMARK 3 5 2.4600 - 2.2800 1.00 3917 136 0.1392 0.1517 REMARK 3 6 2.2800 - 2.1500 1.00 3949 141 0.1385 0.1838 REMARK 3 7 2.1500 - 2.0400 1.00 3957 142 0.1443 0.2094 REMARK 3 8 2.0400 - 1.9500 1.00 3922 140 0.1541 0.1795 REMARK 3 9 1.9500 - 1.8700 1.00 3926 138 0.1602 0.2061 REMARK 3 10 1.8700 - 1.8100 1.00 3985 142 0.1731 0.2240 REMARK 3 11 1.8100 - 1.7500 1.00 3930 138 0.1899 0.2502 REMARK 3 12 1.7500 - 1.7000 1.00 3935 141 0.2056 0.2537 REMARK 3 13 1.7000 - 1.6600 1.00 3930 139 0.2232 0.2495 REMARK 3 14 1.6600 - 1.6200 1.00 3944 144 0.2317 0.2679 REMARK 3 15 1.6200 - 1.5800 1.00 3974 144 0.2468 0.2671 REMARK 3 16 1.5800 - 1.5500 1.00 3908 141 0.2600 0.3173 REMARK 3 17 1.5500 - 1.5200 1.00 3969 141 0.2804 0.3064 REMARK 3 18 1.5200 - 1.4900 1.00 3916 140 0.3051 0.3087 REMARK 3 19 1.4900 - 1.4600 1.00 3885 142 0.3335 0.3933 REMARK 3 20 1.4600 - 1.4400 0.99 3988 140 0.3738 0.4406 REMARK 3 21 1.4400 - 1.4100 0.99 3924 143 0.3535 0.3813 REMARK 3 22 1.4100 - 1.3900 0.98 3864 140 0.3589 0.3542 REMARK 3 23 1.3900 - 1.3700 0.98 3831 135 0.3648 0.3663 REMARK 3 24 1.3700 - 1.3500 0.96 3814 139 0.3856 0.4442 REMARK 3 25 1.3500 - 1.3300 0.89 3471 128 0.3822 0.3542 REMARK 3 26 1.3300 - 1.3200 0.82 3259 117 0.3883 0.3993 REMARK 3 27 1.3200 - 1.3000 0.85 3258 119 0.3893 0.4050 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) : 0.241 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.703 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.28 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.99 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 : 0.006 2595 REMARK 3 ANGLE : 0.900 3575 REMARK 3 CHIRALITY : 0.068 392 REMARK 3 PLANARITY : 0.006 484 REMARK 3 DIHEDRAL : 14.409 372 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 6 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'A' AND (RESID -2 THROUGH 45 ) REMARK 3 ORIGIN FOR THE GROUP (A): 22.7371 -0.0635 9.6599 REMARK 3 T TENSOR REMARK 3 T11: 0.1121 T22: 0.0730 REMARK 3 T33: 0.0896 T12: -0.0111 REMARK 3 T13: -0.0122 T23: 0.0129 REMARK 3 L TENSOR REMARK 3 L11: 2.0213 L22: 1.6433 REMARK 3 L33: 3.1678 L12: 0.0065 REMARK 3 L13: -0.3778 L23: -0.3179 REMARK 3 S TENSOR REMARK 3 S11: -0.0174 S12: -0.0874 S13: -0.0282 REMARK 3 S21: 0.1024 S22: -0.0066 S23: -0.1651 REMARK 3 S31: 0.0362 S32: 0.1283 S33: -0.0061 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 46 THROUGH 100 ) REMARK 3 ORIGIN FOR THE GROUP (A): 4.2458 6.7580 19.3361 REMARK 3 T TENSOR REMARK 3 T11: 0.1398 T22: 0.2310 REMARK 3 T33: 0.1030 T12: -0.0204 REMARK 3 T13: 0.0141 T23: 0.0023 REMARK 3 L TENSOR REMARK 3 L11: 1.7682 L22: 0.3551 REMARK 3 L33: 0.1332 L12: 0.0933 REMARK 3 L13: -0.4658 L23: 0.0546 REMARK 3 S TENSOR REMARK 3 S11: 0.0444 S12: -0.5733 S13: 0.0301 REMARK 3 S21: 0.1254 S22: -0.0518 S23: 0.0443 REMARK 3 S31: 0.0174 S32: 0.0373 S33: 0.0085 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 101 THROUGH 149 ) REMARK 3 ORIGIN FOR THE GROUP (A): -3.3469 9.5859 11.7184 REMARK 3 T TENSOR REMARK 3 T11: 0.1095 T22: 0.0920 REMARK 3 T33: 0.0856 T12: 0.0037 REMARK 3 T13: 0.0052 T23: 0.0042 REMARK 3 L TENSOR REMARK 3 L11: 2.1878 L22: 0.9574 REMARK 3 L33: 0.7672 L12: 0.4008 REMARK 3 L13: -0.3836 L23: 0.2627 REMARK 3 S TENSOR REMARK 3 S11: 0.0234 S12: -0.2234 S13: 0.1771 REMARK 3 S21: 0.0416 S22: -0.0546 S23: 0.1455 REMARK 3 S31: -0.0155 S32: 0.0003 S33: 0.0171 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 150 THROUGH 181 ) REMARK 3 ORIGIN FOR THE GROUP (A): -0.3474 6.6795 3.1702 REMARK 3 T TENSOR REMARK 3 T11: 0.1015 T22: 0.0814 REMARK 3 T33: 0.0864 T12: 0.0020 REMARK 3 T13: -0.0034 T23: 0.0274 REMARK 3 L TENSOR REMARK 3 L11: 1.4656 L22: 2.6493 REMARK 3 L33: 1.4182 L12: -0.2753 REMARK 3 L13: -0.2756 L23: 0.9401 REMARK 3 S TENSOR REMARK 3 S11: -0.0141 S12: 0.0420 S13: -0.0519 REMARK 3 S21: -0.0531 S22: -0.0141 S23: 0.0149 REMARK 3 S31: 0.0417 S32: 0.0009 S33: 0.0233 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 182 THROUGH 196 ) REMARK 3 ORIGIN FOR THE GROUP (A): -4.8490 3.7468 -5.2906 REMARK 3 T TENSOR REMARK 3 T11: 0.1382 T22: 0.0900 REMARK 3 T33: 0.1260 T12: -0.0041 REMARK 3 T13: -0.0409 T23: 0.0011 REMARK 3 L TENSOR REMARK 3 L11: 0.9745 L22: 1.9664 REMARK 3 L33: 1.5937 L12: -0.7622 REMARK 3 L13: -0.0692 L23: -1.0103 REMARK 3 S TENSOR REMARK 3 S11: -0.0298 S12: 0.1613 S13: -0.1110 REMARK 3 S21: -0.3106 S22: 0.0534 S23: 0.2642 REMARK 3 S31: 0.0373 S32: -0.1342 S33: -0.0161 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 197 THROUGH 302 ) REMARK 3 ORIGIN FOR THE GROUP (A): 13.4271 -5.4545 1.6270 REMARK 3 T TENSOR REMARK 3 T11: 0.1131 T22: 0.0708 REMARK 3 T33: 0.0854 T12: -0.0115 REMARK 3 T13: -0.0049 T23: 0.0093 REMARK 3 L TENSOR REMARK 3 L11: 1.4220 L22: 1.1656 REMARK 3 L33: 0.6349 L12: -0.7368 REMARK 3 L13: 0.2654 L23: -0.3716 REMARK 3 S TENSOR REMARK 3 S11: 0.0264 S12: 0.0219 S13: -0.1244 REMARK 3 S21: -0.0643 S22: -0.0244 S23: 0.0121 REMARK 3 S31: 0.0382 S32: 0.0334 S33: -0.0047 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 7K4U 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_1000251736. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-SEP-19 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) : 1.000 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 : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 57674 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.300 REMARK 200 RESOLUTION RANGE LOW (A) : 33.390 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 6.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.3300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.35 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL 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 (%): 29.45 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.74 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2 M AMMONIUM SULFATE AND 5% REMARK 280 ISOPROPANOL, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 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 24.04450 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 40.23400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.91450 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 40.23400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.04450 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.91450 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 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 530 O HOH A 678 1.90 REMARK 500 O HOH A 519 O HOH A 734 2.10 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 GLN A 90 57.94 -112.30 REMARK 500 VAL A 269 -66.89 -96.95 REMARK 500 THR A 280 65.51 33.82 REMARK 500 REMARK 500 REMARK: NULL DBREF 7K4U A 2 302 UNP P23360 XYNA_THEAU 28 328 SEQADV 7K4U GLY A -4 UNP P23360 EXPRESSION TAG SEQADV 7K4U SER A -3 UNP P23360 EXPRESSION TAG SEQADV 7K4U GLY A -2 UNP P23360 EXPRESSION TAG SEQADV 7K4U MET A -1 UNP P23360 EXPRESSION TAG SEQADV 7K4U ALA A 0 UNP P23360 EXPRESSION TAG SEQADV 7K4U GLU A 1 UNP P23360 EXPRESSION TAG SEQADV 7K4U MET A 42 UNP P23360 GLN 68 CONFLICT SEQADV 7K4U TRP A 44 UNP P23360 THR 70 CONFLICT SEQADV 7K4U GLN A 50 UNP P23360 LYS 76 ENGINEERED MUTATION SEQADV 7K4U GLY A 81 UNP P23360 ARG 107 CONFLICT SEQADV 7K4U GLY A 83 UNP P23360 HIS 109 CONFLICT SEQADV 7K4U MET A 84 UNP P23360 THR 110 CONFLICT SEQADV 7K4U GLY A 130 UNP P23360 ASN 156 CONFLICT SEQADV 7K4U MET A 172 UNP P23360 ASN 198 CONFLICT SEQADV 7K4U SER A 234 UNP P23360 ALA 260 CONFLICT SEQADV 7K4U LEU A 236 UNP P23360 THR 262 CONFLICT SEQADV 7K4U MET A 237 UNP P23360 GLU 263 CONFLICT SEQADV 7K4U PHE A 267 UNP P23360 TRP 293 CONFLICT SEQRES 1 A 307 GLY SER GLY MET ALA GLU ALA ALA GLN SER VAL ASP GLN SEQRES 2 A 307 LEU ILE LYS ALA ARG GLY LYS VAL TYR PHE GLY VAL ALA SEQRES 3 A 307 THR ASP GLN ASN ARG LEU THR THR GLY LYS ASN ALA ALA SEQRES 4 A 307 ILE ILE GLN ALA ASP PHE GLY MET VAL TRP PRO GLU ASN SEQRES 5 A 307 SER MET GLN TRP ASP ALA THR GLU PRO SER GLN GLY ASN SEQRES 6 A 307 PHE ASN PHE ALA GLY ALA ASP TYR LEU VAL ASN TRP ALA SEQRES 7 A 307 GLN GLN ASN GLY LYS LEU ILE GLY GLY GLY MET LEU VAL SEQRES 8 A 307 TRP HIS SER GLN LEU PRO SER TRP VAL SER SER ILE THR SEQRES 9 A 307 ASP LYS ASN THR LEU THR ASN VAL MET LYS ASN HIS ILE SEQRES 10 A 307 THR THR LEU MET THR ARG TYR LYS GLY LYS ILE ARG ALA SEQRES 11 A 307 TRP ASP VAL VAL GLY GLU ALA PHE ASN GLU ASP GLY SER SEQRES 12 A 307 LEU ARG GLN THR VAL PHE LEU ASN VAL ILE GLY GLU ASP SEQRES 13 A 307 TYR ILE PRO ILE ALA PHE GLN THR ALA ARG ALA ALA ASP SEQRES 14 A 307 PRO ASN ALA LYS LEU TYR ILE MET ASP TYR ASN LEU ASP SEQRES 15 A 307 SER ALA SER TYR PRO LYS THR GLN ALA ILE VAL ASN ARG SEQRES 16 A 307 VAL LYS GLN TRP ARG ALA ALA GLY VAL PRO ILE ASP GLY SEQRES 17 A 307 ILE GLY SER GLN THR HIS LEU SER ALA GLY GLN GLY ALA SEQRES 18 A 307 GLY VAL LEU GLN ALA LEU PRO LEU LEU ALA SER ALA GLY SEQRES 19 A 307 THR PRO GLU VAL SER ILE LEU MET LEU ASP VAL ALA GLY SEQRES 20 A 307 ALA SER PRO THR ASP TYR VAL ASN VAL VAL ASN ALA CYS SEQRES 21 A 307 LEU ASN VAL GLN SER CYS VAL GLY ILE THR VAL PHE GLY SEQRES 22 A 307 VAL ALA ASP PRO ASP SER TRP ARG ALA SER THR THR PRO SEQRES 23 A 307 LEU LEU PHE ASP GLY ASN PHE ASN PRO LYS PRO ALA TYR SEQRES 24 A 307 ASN ALA ILE VAL GLN ASP LEU GLN HET 6NT A 401 16 HETNAM 6NT 6-NITROBENZOTRIAZOLE FORMUL 2 6NT C6 H4 N4 O2 FORMUL 3 HOH *278(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 THR A 142 GLY A 149 1 8 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 ARG 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 ALA A 125 GLY A 130 1 O ASP A 127 N GLY 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 GLY A 205 N ILE A 171 SHEET 7 AA1 9 GLU A 232 VAL A 240 1 O SER A 234 N SER A 206 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 2.03 CISPEP 1 GLY A 83 MET A 84 0 -5.52 CISPEP 2 GLY A 83 MET A 84 0 -5.31 CRYST1 48.089 59.829 80.468 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 0.020795 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016714 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012427 0.00000