HEADER TRANSFERASE 12-JUL-18 6A9B TITLE T4 DCMP HYDROXYMETHYLASE STRUCTURE SOLVED BY I-SAD USING A HOME SOURCE COMPND MOL_ID: 1; COMPND 2 MOLECULE: DEOXYCYTIDYLATE 5-HYDROXYMETHYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: DEOXYCYTIDYLATE HYDROXYMETHYLASE,DCMP HYDROXYMETHYLASE,DCMP COMPND 5 HMASE; COMPND 6 EC: 2.1.2.8; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE T4; SOURCE 3 ORGANISM_COMMON: BACTERIOPHAGE T4; SOURCE 4 ORGANISM_TAXID: 10665; SOURCE 5 GENE: 42; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) KEYWDS PYRIMIDINE HYDROXYMETHYLASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR S.H.PARK,H.K.SONG REVDAT 3 27-MAR-24 6A9B 1 REMARK REVDAT 2 17-JUL-19 6A9B 1 JRNL REVDAT 1 02-JAN-19 6A9B 0 JRNL AUTH S.H.PARK,S.W.SUH,H.K.SONG JRNL TITL A CYTOSINE MODIFICATION MECHANISM REVEALED BY THE STRUCTURE JRNL TITL 2 OF A TERNARY COMPLEX OF DEOXYCYTIDYLATE HYDROXYMETHYLASE JRNL TITL 3 FROM BACTERIOPHAGE T4 WITH ITS COFACTOR AND SUBSTRATE. JRNL REF IUCRJ V. 6 206 2019 JRNL REFN ESSN 2052-2525 JRNL PMID 30867918 JRNL DOI 10.1107/S2052252518018274 REMARK 2 REMARK 2 RESOLUTION. 2.01 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.13_2998 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.01 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 26.30 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 20770 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.163 REMARK 3 R VALUE (WORKING SET) : 0.160 REMARK 3 FREE R VALUE : 0.192 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.610 REMARK 3 FREE R VALUE TEST SET COUNT : 1995 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 26.3037 - 4.8361 1.00 1447 154 0.1739 0.2219 REMARK 3 2 4.8361 - 3.8424 0.99 1380 147 0.1404 0.1489 REMARK 3 3 3.8424 - 3.3578 1.00 1356 143 0.1490 0.1687 REMARK 3 4 3.3578 - 3.0513 1.00 1360 144 0.1535 0.1811 REMARK 3 5 3.0513 - 2.8329 1.00 1343 143 0.1751 0.2003 REMARK 3 6 2.8329 - 2.6660 1.00 1337 143 0.1797 0.2301 REMARK 3 7 2.6660 - 2.5326 1.00 1330 141 0.1749 0.2095 REMARK 3 8 2.5326 - 2.4225 1.00 1339 142 0.1721 0.2079 REMARK 3 9 2.4225 - 2.3293 1.00 1337 141 0.1545 0.1823 REMARK 3 10 2.3293 - 2.2489 1.00 1312 140 0.1488 0.1878 REMARK 3 11 2.2489 - 2.1786 1.00 1320 140 0.1481 0.1993 REMARK 3 12 2.1786 - 2.1164 1.00 1330 141 0.1610 0.1879 REMARK 3 13 2.1164 - 2.0607 0.99 1328 140 0.1610 0.2493 REMARK 3 14 2.0607 - 2.0104 0.97 1256 136 0.1818 0.2234 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.160 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.890 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.06 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.46 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 : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL 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 6A9B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 13-JUL-18. REMARK 100 THE DEPOSITION ID IS D_1300008379. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-MAR-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20840 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.010 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 7.000 REMARK 200 R MERGE (I) : 0.05900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 27.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.01 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.04 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.80 REMARK 200 R MERGE FOR SHELL (I) : 0.20800 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: SAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.26 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.69 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M TRIS-HCL PH 8.5 0.96 M SODIUM REMARK 280 CITRATE, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 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+1/2 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 0.00000 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 0.00000 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 26.30150 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 37.49100 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 77.67250 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 26.30150 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 37.49100 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 77.67250 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 26.30150 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 37.49100 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 77.67250 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 26.30150 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 37.49100 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 77.67250 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: 5600 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20300 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -38.0 KCAL/MOL 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 52.60300 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 A 483 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 605 LIES ON A SPECIAL POSITION. 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 GLY A 30 O HOH A 401 1.85 REMARK 500 O HOH A 405 O HOH A 456 2.03 REMARK 500 O HOH A 415 O HOH A 500 2.03 REMARK 500 O HOH A 406 O HOH A 574 2.12 REMARK 500 O HOH A 415 O HOH A 471 2.17 REMARK 500 O HOH A 422 O HOH A 523 2.17 REMARK 500 O HOH A 599 O HOH A 600 2.17 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 527 O HOH A 586 8555 2.06 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 ILE A 48 -64.33 -109.20 REMARK 500 ASN A 53 71.24 -152.86 REMARK 500 TYR A 106 34.18 72.25 REMARK 500 ASP A 145 83.10 -151.63 REMARK 500 VAL A 173 -70.01 -88.18 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 605 DISTANCE = 6.80 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue PO4 A 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 6A9A RELATED DB: PDB REMARK 900 6A9A CONTAINS THE ACTIVE SITE MUTANTS C148S, D179N COMPLEXED WITH REMARK 900 DCMP AND THF DBREF 6A9B A 1 246 UNP P08773 DCHM_BPT4 1 246 SEQRES 1 A 246 MET ILE SER ASP SER MET THR VAL GLU GLU ILE ARG LEU SEQRES 2 A 246 HIS LEU GLY LEU ALA LEU LYS GLU LYS ASP PHE VAL VAL SEQRES 3 A 246 ASP LYS THR GLY VAL LYS THR ILE GLU ILE ILE GLY ALA SEQRES 4 A 246 SER PHE VAL ALA ASP GLU PRO PHE ILE PHE GLY ALA LEU SEQRES 5 A 246 ASN ASP GLU TYR ILE GLN ARG GLU LEU GLU TRP TYR LYS SEQRES 6 A 246 SER LYS SER LEU PHE VAL LYS ASP ILE PRO GLY GLU THR SEQRES 7 A 246 PRO LYS ILE TRP GLN GLN VAL ALA SER SER LYS GLY GLU SEQRES 8 A 246 ILE ASN SER ASN TYR GLY TRP ALA ILE TRP SER GLU ASP SEQRES 9 A 246 ASN TYR ALA GLN TYR ASP MET CYS LEU ALA GLU LEU GLY SEQRES 10 A 246 GLN ASN PRO ASP SER ARG ARG GLY ILE MET ILE TYR THR SEQRES 11 A 246 ARG PRO SER MET GLN PHE ASP TYR ASN LYS ASP GLY MET SEQRES 12 A 246 SER ASP PHE MET CYS THR ASN THR VAL GLN TYR LEU ILE SEQRES 13 A 246 ARG ASP LYS LYS ILE ASN ALA VAL VAL ASN MET ARG SER SEQRES 14 A 246 ASN ASP VAL VAL PHE GLY PHE ARG ASN ASP TYR ALA TRP SEQRES 15 A 246 GLN LYS TYR VAL LEU ASP LYS LEU VAL SER ASP LEU ASN SEQRES 16 A 246 ALA GLY ASP SER THR ARG GLN TYR LYS ALA GLY SER ILE SEQRES 17 A 246 ILE TRP ASN VAL GLY SER LEU HIS VAL TYR SER ARG HIS SEQRES 18 A 246 PHE TYR LEU VAL ASP HIS TRP TRP LYS THR GLY GLU THR SEQRES 19 A 246 HIS ILE SER LYS LYS ASP TYR VAL GLY LYS TYR ALA HET IOD A 301 1 HET PO4 A 302 5 HETNAM IOD IODIDE ION HETNAM PO4 PHOSPHATE ION FORMUL 2 IOD I 1- FORMUL 3 PO4 O4 P 3- FORMUL 4 HOH *205(H2 O) HELIX 1 AA1 THR A 7 GLU A 21 1 15 HELIX 2 AA2 ASN A 53 LYS A 67 1 15 HELIX 3 AA3 PHE A 70 ILE A 74 5 5 HELIX 4 AA4 PRO A 79 ALA A 86 1 8 HELIX 5 AA5 ASN A 95 SER A 102 1 8 HELIX 6 AA6 GLU A 103 TYR A 106 5 4 HELIX 7 AA7 ALA A 107 ASN A 119 1 13 HELIX 8 AA8 SER A 133 TYR A 138 1 6 HELIX 9 AA9 ASN A 139 MET A 143 5 5 HELIX 10 AB1 VAL A 173 ASP A 198 1 26 HELIX 11 AB2 HIS A 221 GLY A 232 1 12 SHEET 1 AA1 6 VAL A 25 VAL A 26 0 SHEET 2 AA1 6 LYS A 32 VAL A 42 -1 O THR A 33 N VAL A 25 SHEET 3 AA1 6 LYS A 204 TYR A 218 -1 O TRP A 210 N PHE A 41 SHEET 4 AA1 6 LYS A 160 ASP A 171 1 N ALA A 163 O ILE A 209 SHEET 5 AA1 6 THR A 149 ARG A 157 -1 N THR A 151 O ASN A 166 SHEET 6 AA1 6 ILE A 126 ILE A 128 -1 N MET A 127 O VAL A 152 SITE 1 AC1 8 LYS A 28 ARG A 123 ARG A 124 ARG A 168 SITE 2 AC1 8 SER A 169 HOH A 422 HOH A 424 HOH A 459 CRYST1 52.603 74.982 155.345 90.00 90.00 90.00 I 2 2 2 8 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 0.019010 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013337 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006437 0.00000