HEADER LIPID TRANSPORT 17-APR-13 4K80 TITLE CRYSTAL STRUCTURE OF HUMAN CERAMIDE-1-PHOSPHATE TRANSFER PROTEIN TITLE 2 (CPTP) IN COMPLEX WITH 2:0 CERAMIDE-1-PHOSPHATE (2:0-C1P) COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLYCOLIPID TRANSFER PROTEIN DOMAIN-CONTAINING PROTEIN 1; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: GLTPD1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) STAR; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET-SUMO KEYWDS LIPID TRANSFER PROTEIN, GLTP-FOLD, CPTP, C1P, CERAMIDE-1-PHOSPHATE, KEYWDS 2 PROTEIN-LIPID COMPLEX, EICOSANOID, LIPID TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR D.K.SIMANSHU,R.E.BROWN,D.J.PATEL REVDAT 5 03-APR-24 4K80 1 REMARK REVDAT 4 28-FEB-24 4K80 1 REMARK SEQADV REVDAT 3 15-NOV-17 4K80 1 REMARK REVDAT 2 11-SEP-13 4K80 1 JRNL REVDAT 1 17-JUL-13 4K80 0 JRNL AUTH D.K.SIMANSHU,R.K.KAMLEKAR,D.S.WIJESINGHE,X.ZOU,X.ZHAI, JRNL AUTH 2 S.K.MISHRA,J.G.MOLOTKOVSKY,L.MALININA,E.H.HINCHCLIFFE, JRNL AUTH 3 C.E.CHALFANT,R.E.BROWN,D.J.PATEL JRNL TITL NON-VESICULAR TRAFFICKING BY A CERAMIDE-1-PHOSPHATE TRANSFER JRNL TITL 2 PROTEIN REGULATES EICOSANOIDS. JRNL REF NATURE V. 500 463 2013 JRNL REFN ISSN 0028-0836 JRNL PMID 23863933 JRNL DOI 10.1038/NATURE12332 REMARK 2 REMARK 2 RESOLUTION. 2.05 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.6_289 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) : 2.05 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.14 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.110 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.5 REMARK 3 NUMBER OF REFLECTIONS : 18131 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.170 REMARK 3 R VALUE (WORKING SET) : 0.168 REMARK 3 FREE R VALUE : 0.218 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.060 REMARK 3 FREE R VALUE TEST SET COUNT : 918 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 28.1462 - 3.9207 0.99 2772 120 0.1587 0.1786 REMARK 3 2 3.9207 - 3.1133 0.99 2614 138 0.1536 0.2187 REMARK 3 3 3.1133 - 2.7201 0.97 2522 143 0.1687 0.2277 REMARK 3 4 2.7201 - 2.4716 0.96 2451 147 0.1667 0.2110 REMARK 3 5 2.4716 - 2.2945 0.94 2398 137 0.1728 0.2381 REMARK 3 6 2.2945 - 2.1593 0.87 2214 124 0.2030 0.2827 REMARK 3 7 2.1593 - 2.0512 0.88 2242 109 0.1862 0.2454 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 : 0.32 REMARK 3 B_SOL : 40.05 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.920 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.12 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 5.69710 REMARK 3 B22 (A**2) : 5.69710 REMARK 3 B33 (A**2) : -11.39420 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 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 : 0.007 1730 REMARK 3 ANGLE : 0.906 2345 REMARK 3 CHIRALITY : 0.056 263 REMARK 3 PLANARITY : 0.005 297 REMARK 3 DIHEDRAL : 16.005 650 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 4K80 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-APR-13. REMARK 100 THE DEPOSITION ID IS D_1000079006. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-AUG-09 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X29A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08090 REMARK 200 MONOCHROMATOR : SI(111) MONOCHROMATOR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK, HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20690 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.050 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 9.300 REMARK 200 R MERGE (I) : 0.07200 REMARK 200 R SYM (I) : 0.07200 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 32.1690 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.05 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.12 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 9.50 REMARK 200 R MERGE FOR SHELL (I) : 0.49500 REMARK 200 R SYM FOR SHELL (I) : 0.49500 REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.079 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: CPTP IN COMPLEX WITH C8 CERAMIDE -1-PHOSPHATE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.74 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.98 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM ACETATE, 0.1 M HEPES PH REMARK 280 7.5, 25% PEG3350, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 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 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 52.70100 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 37.21650 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 37.21650 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 26.35050 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 37.21650 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 37.21650 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 79.05150 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 37.21650 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 37.21650 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 26.35050 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 37.21650 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 37.21650 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 79.05150 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 52.70100 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1800 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18810 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.0 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 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 105.40200 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 406 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 458 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 SER A 0 REMARK 465 MET A 1 REMARK 465 ASP A 2 REMARK 465 ASP A 3 REMARK 465 SER A 4 REMARK 465 GLU A 5 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 THR A 6 OG1 CG2 REMARK 470 ARG A 66 NE CZ NH1 NH2 REMARK 470 ARG A 90 NE CZ NH1 NH2 REMARK 470 ARG A 96 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 130 CG CD OE1 OE2 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 SER A 98 -79.77 -144.75 REMARK 500 SER A 145 -95.97 -124.95 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 1PW A 301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4K84 RELATED DB: PDB REMARK 900 RELATED ID: 4K85 RELATED DB: PDB REMARK 900 RELATED ID: 4K8N RELATED DB: PDB REMARK 900 RELATED ID: 4KF6 RELATED DB: PDB REMARK 900 RELATED ID: 4KBS RELATED DB: PDB REMARK 900 RELATED ID: 4KBR RELATED DB: PDB DBREF 4K80 A 1 214 UNP Q5TA50 GLTD1_HUMAN 1 214 SEQADV 4K80 SER A 0 UNP Q5TA50 EXPRESSION TAG SEQRES 1 A 215 SER MET ASP ASP SER GLU THR GLY PHE ASN LEU LYS VAL SEQRES 2 A 215 VAL LEU VAL SER PHE LYS GLN CYS LEU ASP GLU LYS GLU SEQRES 3 A 215 GLU VAL LEU LEU ASP PRO TYR ILE ALA SER TRP LYS GLY SEQRES 4 A 215 LEU VAL ARG PHE LEU ASN SER LEU GLY THR ILE PHE SER SEQRES 5 A 215 PHE ILE SER LYS ASP VAL VAL SER LYS LEU ARG ILE MET SEQRES 6 A 215 GLU ARG LEU ARG GLY GLY PRO GLN SER GLU HIS TYR ARG SEQRES 7 A 215 SER LEU GLN ALA MET VAL ALA HIS GLU LEU SER ASN ARG SEQRES 8 A 215 LEU VAL ASP LEU GLU ARG ARG SER HIS HIS PRO GLU SER SEQRES 9 A 215 GLY CYS ARG THR VAL LEU ARG LEU HIS ARG ALA LEU HIS SEQRES 10 A 215 TRP LEU GLN LEU PHE LEU GLU GLY LEU ARG THR SER PRO SEQRES 11 A 215 GLU ASP ALA ARG THR SER ALA LEU CYS ALA ASP SER TYR SEQRES 12 A 215 ASN ALA SER LEU ALA ALA TYR HIS PRO TRP VAL VAL ARG SEQRES 13 A 215 ARG ALA VAL THR VAL ALA PHE CYS THR LEU PRO THR ARG SEQRES 14 A 215 GLU VAL PHE LEU GLU ALA MET ASN VAL GLY PRO PRO GLU SEQRES 15 A 215 GLN ALA VAL GLN MET LEU GLY GLU ALA LEU PRO PHE ILE SEQRES 16 A 215 GLN ARG VAL TYR ASN VAL SER GLN LYS LEU TYR ALA GLU SEQRES 17 A 215 HIS SER LEU LEU ASP LEU PRO HET 1PW A 301 28 HETNAM 1PW (2S,3R,4E)-2-(ACETYLAMINO)-3-HYDROXYOCTADEC-4-EN-1-YL HETNAM 2 1PW DIHYDROGEN PHOSPHATE FORMUL 2 1PW C20 H40 N O6 P FORMUL 3 HOH *234(H2 O) HELIX 1 1 ASN A 9 PHE A 17 1 9 HELIX 2 2 LYS A 18 LEU A 21 5 4 HELIX 3 3 LEU A 28 LEU A 46 1 19 HELIX 4 4 GLY A 47 SER A 54 1 8 HELIX 5 5 SER A 54 GLY A 70 1 17 HELIX 6 6 GLN A 72 ARG A 77 5 6 HELIX 7 7 SER A 78 ASN A 89 1 12 HELIX 8 8 SER A 103 THR A 127 1 25 HELIX 9 9 ARG A 133 SER A 145 1 13 HELIX 10 10 LEU A 146 HIS A 150 5 5 HELIX 11 11 PRO A 151 VAL A 160 1 10 HELIX 12 12 ALA A 161 LEU A 165 5 5 HELIX 13 13 THR A 167 ALA A 174 1 8 HELIX 14 14 PRO A 179 HIS A 208 1 30 SITE 1 AC1 19 PHE A 52 ILE A 53 LYS A 55 ASP A 56 SITE 2 AC1 19 VAL A 57 LYS A 60 ARG A 106 ARG A 110 SITE 3 AC1 19 TRP A 117 PHE A 121 CYS A 138 LEU A 146 SITE 4 AC1 19 HIS A 150 HOH A 408 HOH A 436 HOH A 494 SITE 5 AC1 19 HOH A 507 HOH A 614 HOH A 615 CRYST1 74.433 74.433 105.402 90.00 90.00 90.00 P 41 21 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 0.013435 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013435 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009487 0.00000