HEADER ANTIFREEZE PROTEIN 07-JUN-17 5XQR TITLE CRYSTAL STRUCTURE OF NOTCHED-FIN EELPOUT TYPE III ANTIFREEZE PROTEIN TITLE 2 A20V MUTANT (NFE6, AFP), C2221 FORM COMPND MOL_ID: 1; COMPND 2 MOLECULE: ICE-STRUCTURING PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: UNP RESIDUES 23-88; COMPND 5 SYNONYM: ANTIFREEZE PROTEIN; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ZOARCES ELONGATUS; SOURCE 3 ORGANISM_TAXID: 291231; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) KEYWDS TYPE III, NOTCHED-FIN EELPOUT, ANTIFREEZE PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.ADACHI,R.SHIMIZU,C.SHIBAZAKI,H.KONDO,S.TSUDA REVDAT 4 22-NOV-23 5XQR 1 REMARK REVDAT 3 06-JUN-18 5XQR 1 JRNL REVDAT 2 23-MAY-18 5XQR 1 JRNL REVDAT 1 16-MAY-18 5XQR 0 JRNL AUTH S.MAHATABUDDIN,D.FUKAMI,T.ARAI,Y.NISHIMIYA,R.SHIMIZU, JRNL AUTH 2 C.SHIBAZAKI,H.KONDO,M.ADACHI,S.TSUDA JRNL TITL POLYPENTAGONAL ICE-LIKE WATER NETWORKS EMERGE SOLELY IN AN JRNL TITL 2 ACTIVITY-IMPROVED VARIANT OF ICE-BINDING PROTEIN JRNL REF PROC. NATL. ACAD. SCI. V. 115 5456 2018 JRNL REF 2 U.S.A. JRNL REFN ESSN 1091-6490 JRNL PMID 29735675 JRNL DOI 10.1073/PNAS.1800635115 REMARK 2 REMARK 2 RESOLUTION. 1.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.9_1692 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 26.79 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 38935 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.133 REMARK 3 R VALUE (WORKING SET) : 0.132 REMARK 3 FREE R VALUE : 0.156 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1947 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 26.7990 - 3.1325 1.00 2808 148 0.1463 0.1664 REMARK 3 2 3.1325 - 2.4869 1.00 2703 142 0.1529 0.1548 REMARK 3 3 2.4869 - 2.1727 1.00 2657 141 0.1203 0.1395 REMARK 3 4 2.1727 - 1.9741 1.00 2650 139 0.1079 0.1354 REMARK 3 5 1.9741 - 1.8327 1.00 2636 138 0.1003 0.1333 REMARK 3 6 1.8327 - 1.7246 1.00 2625 139 0.1015 0.1327 REMARK 3 7 1.7246 - 1.6383 1.00 2641 138 0.1014 0.1437 REMARK 3 8 1.6383 - 1.5670 1.00 2625 139 0.1021 0.1451 REMARK 3 9 1.5670 - 1.5067 1.00 2589 136 0.1077 0.1374 REMARK 3 10 1.5067 - 1.4547 1.00 2627 139 0.1257 0.1761 REMARK 3 11 1.4547 - 1.4092 1.00 2584 136 0.1483 0.1910 REMARK 3 12 1.4092 - 1.3689 1.00 2642 139 0.1631 0.2233 REMARK 3 13 1.3689 - 1.3329 1.00 2613 137 0.1858 0.2131 REMARK 3 14 1.3329 - 1.3003 1.00 2588 136 0.2143 0.2597 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) : 0.110 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 14.510 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 : 0.011 986 REMARK 3 ANGLE : 1.431 1350 REMARK 3 CHIRALITY : 0.089 169 REMARK 3 PLANARITY : 0.008 174 REMARK 3 DIHEDRAL : 13.252 381 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 5XQR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 09-JUN-17. REMARK 100 THE DEPOSITION ID IS D_1300004008. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-MAY-17 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : BL-5A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38950 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.300 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 7.100 REMARK 200 R MERGE (I) : 0.05900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 34.6000 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 (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 7.00 REMARK 200 R MERGE FOR SHELL (I) : 0.10400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.900 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: 5XQN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.31 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.88 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 26% MPD, 15% PEG8K, 0.1M NAACETATE REMARK 280 PH5.5, 0.1M CACL2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 277.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 19.02750 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 19.02750 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 37.73000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 54.34950 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 37.73000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 54.34950 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 19.02750 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 37.73000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 54.34950 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 19.02750 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 37.73000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 54.34950 REMARK 290 SMTRY3 8 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 700 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 6830 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -7.0 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH B 281 LIES ON A SPECIAL POSITION. 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 MET A 1 REMARK 465 ALA A 66 REMARK 465 LYS A 67 REMARK 465 MET B 1 REMARK 465 TYR B 63 REMARK 465 VAL B 64 REMARK 465 PRO B 65 REMARK 465 ALA B 66 REMARK 465 LYS B 67 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 B 248 O HOH B 288 1.78 REMARK 500 O HOH A 281 O HOH A 324 2.02 REMARK 500 O HOH B 240 O HOH B 294 2.08 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 216 DISTANCE = 6.14 ANGSTROMS REMARK 525 HOH A 240 DISTANCE = 6.19 ANGSTROMS REMARK 525 HOH A 249 DISTANCE = 7.97 ANGSTROMS REMARK 525 HOH A 264 DISTANCE = 6.10 ANGSTROMS REMARK 525 HOH A 265 DISTANCE = 5.86 ANGSTROMS REMARK 525 HOH A 272 DISTANCE = 6.07 ANGSTROMS REMARK 525 HOH A 274 DISTANCE = 5.96 ANGSTROMS REMARK 525 HOH A 276 DISTANCE = 6.32 ANGSTROMS REMARK 525 HOH A 303 DISTANCE = 6.11 ANGSTROMS REMARK 525 HOH A 304 DISTANCE = 8.68 ANGSTROMS REMARK 525 HOH A 308 DISTANCE = 6.44 ANGSTROMS REMARK 525 HOH A 313 DISTANCE = 6.30 ANGSTROMS REMARK 525 HOH A 330 DISTANCE = 6.11 ANGSTROMS REMARK 525 HOH A 331 DISTANCE = 8.24 ANGSTROMS REMARK 525 HOH B 223 DISTANCE = 6.56 ANGSTROMS REMARK 525 HOH B 254 DISTANCE = 5.96 ANGSTROMS REMARK 525 HOH B 263 DISTANCE = 6.27 ANGSTROMS REMARK 525 HOH B 300 DISTANCE = 7.33 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ACT A 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ACT B 101 DBREF 5XQR A 2 67 UNP Q53UJ4 Q53UJ4_9TELE 23 88 DBREF 5XQR B 2 67 UNP Q53UJ4 Q53UJ4_9TELE 23 88 SEQADV 5XQR MET A 1 UNP Q53UJ4 INITIATING METHIONINE SEQADV 5XQR VAL A 20 UNP Q53UJ4 ALA 41 ENGINEERED MUTATION SEQADV 5XQR MET B 1 UNP Q53UJ4 INITIATING METHIONINE SEQADV 5XQR VAL B 20 UNP Q53UJ4 ALA 41 ENGINEERED MUTATION SEQRES 1 A 67 MET GLY GLU SER VAL VAL ALA THR GLN LEU ILE PRO ILE SEQRES 2 A 67 ASN THR ALA LEU THR PRO VAL MET MET GLU GLY LYS VAL SEQRES 3 A 67 THR ASN PRO SER GLY ILE PRO PHE ALA GLU MET SER GLN SEQRES 4 A 67 ILE VAL GLY LYS GLN VAL ASN THR PRO VAL ALA LYS GLY SEQRES 5 A 67 GLN THR LEU MET PRO GLY MET VAL LYS THR TYR VAL PRO SEQRES 6 A 67 ALA LYS SEQRES 1 B 67 MET GLY GLU SER VAL VAL ALA THR GLN LEU ILE PRO ILE SEQRES 2 B 67 ASN THR ALA LEU THR PRO VAL MET MET GLU GLY LYS VAL SEQRES 3 B 67 THR ASN PRO SER GLY ILE PRO PHE ALA GLU MET SER GLN SEQRES 4 B 67 ILE VAL GLY LYS GLN VAL ASN THR PRO VAL ALA LYS GLY SEQRES 5 B 67 GLN THR LEU MET PRO GLY MET VAL LYS THR TYR VAL PRO SEQRES 6 B 67 ALA LYS HET ACT A 101 4 HET ACT B 101 4 HETNAM ACT ACETATE ION FORMUL 3 ACT 2(C2 H3 O2 1-) FORMUL 5 HOH *231(H2 O) HELIX 1 AA1 THR A 18 VAL A 20 5 3 HELIX 2 AA2 PRO A 33 ALA A 35 5 3 HELIX 3 AA3 GLU A 36 VAL A 41 1 6 HELIX 4 AA4 MET A 56 VAL A 60 5 5 HELIX 5 AA5 THR B 18 VAL B 20 5 3 HELIX 6 AA6 PRO B 33 ALA B 35 5 3 HELIX 7 AA7 GLU B 36 VAL B 41 1 6 HELIX 8 AA8 MET B 56 VAL B 60 5 5 SHEET 1 AA1 2 SER A 4 ALA A 7 0 SHEET 2 AA1 2 MET A 22 LYS A 25 -1 O LYS A 25 N SER A 4 SHEET 1 AA2 2 SER B 4 ALA B 7 0 SHEET 2 AA2 2 MET B 22 LYS B 25 -1 O LYS B 25 N SER B 4 CISPEP 1 ASN A 28 PRO A 29 0 7.23 CISPEP 2 ASN B 28 PRO B 29 0 1.84 SITE 1 AC1 6 GLY A 2 GLU A 3 THR A 18 PRO A 19 SITE 2 AC1 6 VAL A 20 HOH B 238 SITE 1 AC2 7 GLY B 2 GLU B 3 THR B 18 PRO B 19 SITE 2 AC2 7 VAL B 20 HOH B 219 HOH B 251 CRYST1 75.460 108.699 38.055 90.00 90.00 90.00 C 2 2 21 16 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 0.013252 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009200 0.000000 0.00000 SCALE3 0.000000 0.000000 0.026278 0.00000