HEADER LYASE 22-FEB-21 7NL3 TITLE CRYSTAL STRUCTURE OF PARADENDRYPHIELLA SALINA PL7A ALGINATE LYASE TITLE 2 MUTANT Y223F COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALGINATE LYASE (PL7); COMPND 3 CHAIN: A; COMPND 4 EC: 4.2.2.3; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PARADENDRYPHIELLA SALINA; SOURCE 3 ORGANISM_TAXID: 179392; SOURCE 4 GENE: PSALG7A; SOURCE 5 EXPRESSION_SYSTEM: KOMAGATAELLA PASTORIS; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 4922 KEYWDS COMPLEX, BETA JELLY ROLL, MUTANT, ALGINATE LYASE, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR F.FREDSLUND,D.H.WELNER,C.WILKENS REVDAT 2 31-JAN-24 7NL3 1 REMARK REVDAT 1 02-MAR-22 7NL3 0 JRNL AUTH F.FREDSLUND,D.H.WELNER,C.WILKENS JRNL TITL CRYSTAL STRUCTURE OF PARADENDRYPHIELLA SALINA PL7A ALGINATE JRNL TITL 2 LYASE MUTANT Y223F JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.18.2_3874 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) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.43 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 47793 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.155 REMARK 3 R VALUE (WORKING SET) : 0.153 REMARK 3 FREE R VALUE : 0.193 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.990 REMARK 3 FREE R VALUE TEST SET COUNT : 2384 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 40.4300 - 4.3800 1.00 2676 145 0.1387 0.1923 REMARK 3 2 4.3800 - 3.4800 1.00 2676 141 0.1283 0.1578 REMARK 3 3 3.4800 - 3.0400 1.00 2689 142 0.1408 0.1664 REMARK 3 4 3.0400 - 2.7600 1.00 2679 142 0.1549 0.1863 REMARK 3 5 2.7600 - 2.5600 1.00 2718 140 0.1401 0.1970 REMARK 3 6 2.5600 - 2.4100 1.00 2686 144 0.1375 0.1998 REMARK 3 7 2.4100 - 2.2900 1.00 2656 142 0.1332 0.1539 REMARK 3 8 2.2900 - 2.1900 1.00 2667 138 0.1349 0.2075 REMARK 3 9 2.1900 - 2.1100 1.00 2727 138 0.1535 0.1999 REMARK 3 10 2.1100 - 2.0300 1.00 2662 140 0.1658 0.2253 REMARK 3 11 2.0300 - 1.9700 1.00 2675 137 0.1747 0.1765 REMARK 3 12 1.9700 - 1.9100 1.00 2680 132 0.1836 0.2104 REMARK 3 13 1.9100 - 1.8600 1.00 2697 148 0.2095 0.2357 REMARK 3 14 1.8600 - 1.8200 1.00 2695 143 0.2348 0.2831 REMARK 3 15 1.8200 - 1.7800 1.00 2709 135 0.2582 0.3039 REMARK 3 16 1.7800 - 1.7400 1.00 2633 143 0.2935 0.3210 REMARK 3 17 1.7400 - 1.7000 0.91 2484 134 0.3123 0.3535 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) : 0.208 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 18.889 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 25.39 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.85 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 1843 REMARK 3 ANGLE : 1.072 2518 REMARK 3 CHIRALITY : 0.066 294 REMARK 3 PLANARITY : 0.007 327 REMARK 3 DIHEDRAL : 8.988 258 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 0 THROUGH 63 ) REMARK 3 ORIGIN FOR THE GROUP (A): 4.3827 12.6375 4.9925 REMARK 3 T TENSOR REMARK 3 T11: 0.1598 T22: 0.1388 REMARK 3 T33: 0.1227 T12: 0.0217 REMARK 3 T13: 0.0198 T23: -0.0174 REMARK 3 L TENSOR REMARK 3 L11: 6.2439 L22: 4.1369 REMARK 3 L33: 4.2987 L12: -0.0379 REMARK 3 L13: 0.6888 L23: -0.7741 REMARK 3 S TENSOR REMARK 3 S11: -0.0521 S12: 0.1082 S13: -0.0470 REMARK 3 S21: -0.1792 S22: 0.0476 S23: -0.1678 REMARK 3 S31: 0.2172 S32: 0.2897 S33: 0.0205 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 64 THROUGH 232 ) REMARK 3 ORIGIN FOR THE GROUP (A): 1.6464 21.9958 21.0875 REMARK 3 T TENSOR REMARK 3 T11: 0.1850 T22: 0.2077 REMARK 3 T33: 0.2156 T12: -0.0031 REMARK 3 T13: -0.0076 T23: -0.0032 REMARK 3 L TENSOR REMARK 3 L11: 1.3538 L22: 1.6924 REMARK 3 L33: 1.6710 L12: 0.0969 REMARK 3 L13: 0.3686 L23: 0.0345 REMARK 3 S TENSOR REMARK 3 S11: -0.0280 S12: -0.1503 S13: 0.0843 REMARK 3 S21: 0.1246 S22: 0.0106 S23: -0.0111 REMARK 3 S31: -0.0573 S32: -0.0386 S33: 0.0168 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 233 THROUGH 248 ) REMARK 3 ORIGIN FOR THE GROUP (A): -4.2552 18.1557 13.1696 REMARK 3 T TENSOR REMARK 3 T11: 0.2331 T22: 0.1710 REMARK 3 T33: 0.2179 T12: 0.0069 REMARK 3 T13: -0.0379 T23: -0.0226 REMARK 3 L TENSOR REMARK 3 L11: 3.0936 L22: 6.5204 REMARK 3 L33: 1.7799 L12: -1.9839 REMARK 3 L13: -0.3298 L23: -0.6467 REMARK 3 S TENSOR REMARK 3 S11: -0.1193 S12: -0.1411 S13: 0.2581 REMARK 3 S21: -0.1702 S22: 0.1643 S23: 0.3365 REMARK 3 S31: -0.2530 S32: -0.4624 S33: -0.0318 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 7NL3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 22-FEB-21. REMARK 100 THE DEPOSITION ID IS D_1292114159. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-FEB-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : MAX IV REMARK 200 BEAMLINE : BIOMAX REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9762 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 331071 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 40.430 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 6.930 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.1900 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 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: 7NCZ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.77 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.23 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 1500 AND 0.1 M TBG BUFFER PH REMARK 280 4, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K 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 17.39000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 40.43000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.31000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 40.43000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 17.39000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 40.31000 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 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 GLU A -1 REMARK 465 HIS A 249 REMARK 465 HIS A 250 REMARK 465 HIS A 251 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 HE21 GLN A 81 O HOH A 504 1.52 REMARK 500 O HOH A 509 O HOH A 594 2.07 REMARK 500 NZ LYS A 171 O HOH A 501 2.18 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 86 NE - CZ - NH2 ANGL. DEV. = -3.2 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 THR A 45 -145.78 -123.12 REMARK 500 PHE A 64 95.36 -163.02 REMARK 500 LEU A 70 33.17 79.86 REMARK 500 ALA A 96 60.66 -155.56 REMARK 500 ASP A 132 -114.32 -121.91 REMARK 500 ASN A 190 -150.33 49.68 REMARK 500 SER A 191 31.25 -88.91 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 6YWF RELATED DB: PDB REMARK 900 NATIVE APO STRUCTURE REMARK 900 RELATED ID: 7NCZ RELATED DB: PDB REMARK 900 Y223F HEXA-MANNURONIC ACID STRUCTURE DBREF1 7NL3 A 23 243 UNP A0A485PVH1_9PLEO DBREF2 7NL3 A A0A485PVH1 23 243 SEQADV 7NL3 GLU A -1 UNP A0A485PVH EXPRESSION TAG SEQADV 7NL3 PHE A 0 UNP A0A485PVH EXPRESSION TAG SEQADV 7NL3 PHE A 223 UNP A0A485PVH TYR 223 ENGINEERED MUTATION SEQADV 7NL3 VAL A 244 UNP A0A485PVH EXPRESSION TAG SEQADV 7NL3 ASP A 245 UNP A0A485PVH EXPRESSION TAG SEQADV 7NL3 HIS A 246 UNP A0A485PVH EXPRESSION TAG SEQADV 7NL3 HIS A 247 UNP A0A485PVH EXPRESSION TAG SEQADV 7NL3 HIS A 248 UNP A0A485PVH EXPRESSION TAG SEQADV 7NL3 HIS A 249 UNP A0A485PVH EXPRESSION TAG SEQADV 7NL3 HIS A 250 UNP A0A485PVH EXPRESSION TAG SEQADV 7NL3 HIS A 251 UNP A0A485PVH EXPRESSION TAG SEQRES 1 A 231 GLU PHE TYR THR ALA PRO SER THR GLU SER LYS PHE THR SEQRES 2 A 231 GLU VAL LEU SER LYS ALA LYS LEU GLN TYR PRO THR SER SEQRES 3 A 231 THR THR VAL ALA PHE ALA ASP ASP LEU LEU ASP GLY TYR SEQRES 4 A 231 ALA ALA SER TYR PHE TYR LEU THR SER ASP LEU TYR MET SEQRES 5 A 231 GLN PHE GLN VAL ALA GLY SER SER GLN ARG SER GLU LEU SEQRES 6 A 231 ARG GLU MET GLU THR SER GLY ASP GLU ALA ALA TRP ASP SEQRES 7 A 231 CYS THR GLY SER THR ALA HIS VAL ALA SER ALA GLN ILE SEQRES 8 A 231 ALA ILE PRO VAL GLN GLU ASP GLY ILE GLU GLU VAL THR SEQRES 9 A 231 ILE LEU GLN VAL HIS ASP SER ASP VAL THR PRO VAL LEU SEQRES 10 A 231 ARG ILE SER TRP VAL SER SER ILE THR ILE ASP GLY VAL SEQRES 11 A 231 THR SER GLU ASP VAL VAL LEU ALA THR ILE ARG ASN GLY SEQRES 12 A 231 ILE ASP ASP SER THR ALA THR LYS THR VAL LEU GLN ALA SEQRES 13 A 231 HIS THR THR SER ARG THR GLU PHE ASN ILE ASN VAL GLN SEQRES 14 A 231 ASN SER LYS LEU SER ILE THR VAL ASP GLY THR THR GLU SEQRES 15 A 231 LEU ASP GLU ALA ASP ILE SER GLN PHE ASP GLY SER THR SEQRES 16 A 231 CYS TYR PHE LYS ALA GLY ALA PHE ASN ASN ASN PRO THR SEQRES 17 A 231 ASP THR SER ALA ASN ALA ARG ILE LYS MET TYR GLU LEU SEQRES 18 A 231 GLU TRP VAL ASP HIS HIS HIS HIS HIS HIS HET BTB A 401 33 HETNAM BTB 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL- HETNAM 2 BTB PROPANE-1,3-DIOL HETSYN BTB BIS-TRIS BUFFER FORMUL 2 BTB C8 H19 N O5 FORMUL 3 HOH *216(H2 O) HELIX 1 AA1 ALA A 25 LYS A 31 5 7 HELIX 2 AA2 PHE A 32 LYS A 38 1 7 HELIX 3 AA3 PHE A 51 ASP A 57 1 7 HELIX 4 AA4 SER A 209 ASP A 212 5 4 SHEET 1 AA1 5 THR A 48 ALA A 50 0 SHEET 2 AA1 5 ALA A 39 GLN A 42 -1 N LEU A 41 O ALA A 50 SHEET 3 AA1 5 ARG A 82 GLU A 87 -1 O GLU A 84 N GLN A 42 SHEET 4 AA1 5 THR A 215 ASN A 224 -1 O ALA A 220 N LEU A 85 SHEET 5 AA1 5 TRP A 97 ASP A 98 -1 N TRP A 97 O CYS A 216 SHEET 1 AA2 8 THR A 48 ALA A 50 0 SHEET 2 AA2 8 ALA A 39 GLN A 42 -1 N LEU A 41 O ALA A 50 SHEET 3 AA2 8 ARG A 82 GLU A 87 -1 O GLU A 84 N GLN A 42 SHEET 4 AA2 8 THR A 215 ASN A 224 -1 O ALA A 220 N LEU A 85 SHEET 5 AA2 8 GLU A 122 ASP A 130 -1 N THR A 124 O PHE A 223 SHEET 6 AA2 8 PRO A 135 ILE A 147 -1 O ILE A 139 N ILE A 125 SHEET 7 AA2 8 VAL A 150 GLY A 163 -1 O LEU A 157 N SER A 140 SHEET 8 AA2 8 ASP A 166 ALA A 176 -1 O GLN A 175 N VAL A 156 SHEET 1 AA3 7 PHE A 64 LEU A 66 0 SHEET 2 AA3 7 MET A 72 ALA A 77 -1 O GLN A 73 N TYR A 65 SHEET 3 AA3 7 ASN A 233 HIS A 246 -1 O MET A 238 N MET A 72 SHEET 4 AA3 7 ALA A 104 ALA A 112 -1 N GLN A 110 O TYR A 239 SHEET 5 AA3 7 THR A 182 GLN A 189 -1 O PHE A 184 N ALA A 109 SHEET 6 AA3 7 LYS A 192 VAL A 197 -1 O SER A 194 N ASN A 187 SHEET 7 AA3 7 THR A 200 ASP A 207 -1 O GLU A 202 N ILE A 195 SSBOND 1 CYS A 99 CYS A 216 1555 1555 2.02 CISPEP 1 TYR A 43 PRO A 44 0 -4.66 CRYST1 34.780 80.620 80.860 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 0.028752 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012404 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012367 0.00000