HEADER RETINOL-BINDING PROTEIN 20-SEP-07 2RCQ TITLE CRYSTAL STRUCTURE OF HUMAN APO CELLULAR RETINOL BINDING PROTEIN II TITLE 2 (CRBP-II) COMPND MOL_ID: 1; COMPND 2 MOLECULE: RETINOL-BINDING PROTEIN II, CELLULAR; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CRBP-II; COMPND 5 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: RBP2, CRBP2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: SG13009; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PQE50 KEYWDS CELLULAR RETINOL BINDING PROTEIN II, CRBP-II, RETINOL, LIPID-BINDING KEYWDS 2 PROTEIN, RETINOL-BINDING, TRANSPORT, VITAMIN A, RETINOL-BINDING KEYWDS 3 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR H.L.MONACO,S.CAPALDI,M.PERDUCA REVDAT 5 30-AUG-23 2RCQ 1 REMARK SEQADV REVDAT 4 14-DEC-16 2RCQ 1 TITLE VERSN REVDAT 3 24-FEB-09 2RCQ 1 VERSN REVDAT 2 26-FEB-08 2RCQ 1 JRNL REVDAT 1 02-OCT-07 2RCQ 0 JRNL AUTH M.TARTER,S.CAPALDI,M.E.CARRIZO,E.AMBROSI,M.PERDUCA, JRNL AUTH 2 H.L.MONACO JRNL TITL CRYSTAL STRUCTURE OF HUMAN CELLULAR RETINOL-BINDING PROTEIN JRNL TITL 2 II TO 1.2 A RESOLUTION. JRNL REF PROTEINS V. 70 1626 2007 JRNL REFN ISSN 0887-3585 JRNL PMID 18076076 JRNL DOI 10.1002/PROT.21848 REMARK 2 REMARK 2 RESOLUTION. 1.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.1 REMARK 3 NUMBER OF REFLECTIONS : 40021 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.197 REMARK 3 R VALUE (WORKING SET) : 0.196 REMARK 3 FREE R VALUE : 0.217 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2028 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.23 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2754 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.68 REMARK 3 BIN R VALUE (WORKING SET) : 0.1910 REMARK 3 BIN FREE R VALUE SET COUNT : 147 REMARK 3 BIN FREE R VALUE : 0.1930 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1158 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 20 REMARK 3 SOLVENT ATOMS : 156 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 9.58 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.29000 REMARK 3 B22 (A**2) : -0.12000 REMARK 3 B33 (A**2) : -0.16000 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 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.049 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.051 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.027 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.569 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.940 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.932 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1211 ; 0.007 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1633 ; 1.044 ; 1.950 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 142 ; 6.683 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 64 ;32.983 ;24.531 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 225 ;12.690 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 9 ;11.854 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 174 ; NULL ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 916 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 493 ; 0.192 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 814 ; 0.309 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 127 ; 0.077 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 56 ; 0.154 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 12 ; 0.095 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 721 ; 1.176 ; 3.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1140 ; 1.697 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 558 ; 1.238 ; 2.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 493 ; 1.875 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2RCQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-SEP-07. REMARK 100 THE DEPOSITION ID IS D_1000044703. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-MAY-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ELETTRA REMARK 200 BEAMLINE : 5.2R REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : DOUBLE CRYSTAL (SI111, SI220) REMARK 200 THREE-SEGMENT PT-COATED TOROIDAL REMARK 200 MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 40046 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.200 REMARK 200 RESOLUTION RANGE LOW (A) : 27.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : 0.04700 REMARK 200 R SYM (I) : 0.04700 REMARK 200 FOR THE DATA SET : 18.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.23 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.4 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : 0.18700 REMARK 200 R SYM FOR SHELL (I) : 0.18700 REMARK 200 FOR SHELL : 8.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1OPA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.37 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M SODIUM CITRATE, 0.2 M REMARK 280 SODIUM/POTASSIUM TARTRATE, 1.4 M AMMONIUM SULPHATE, PH 5.6, REMARK 280 VAPOR DIFFUSION, HANGING 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 17.75900 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 37.19900 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 24.91700 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 37.19900 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 17.75900 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 24.91700 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 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 PHE A 57 -73.27 -101.07 REMARK 500 LEU A 77 -99.32 -129.38 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 SO4 A 151 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 152 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TLA A 150 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2RCT RELATED DB: PDB DBREF 2RCQ A 1 133 UNP P50120 RET2_HUMAN 2 134 SEQADV 2RCQ MET A -3 UNP P50120 EXPRESSION TAG SEQADV 2RCQ ARG A -2 UNP P50120 EXPRESSION TAG SEQADV 2RCQ GLY A -1 UNP P50120 EXPRESSION TAG SEQADV 2RCQ SER A 0 UNP P50120 EXPRESSION TAG SEQADV 2RCQ LEU A 134 UNP P50120 EXPRESSION TAG SEQADV 2RCQ VAL A 135 UNP P50120 EXPRESSION TAG SEQADV 2RCQ PRO A 136 UNP P50120 EXPRESSION TAG SEQADV 2RCQ ARG A 137 UNP P50120 EXPRESSION TAG SEQRES 1 A 141 MET ARG GLY SER THR ARG ASP GLN ASN GLY THR TRP GLU SEQRES 2 A 141 MET GLU SER ASN GLU ASN PHE GLU GLY TYR MET LYS ALA SEQRES 3 A 141 LEU ASP ILE ASP PHE ALA THR ARG LYS ILE ALA VAL ARG SEQRES 4 A 141 LEU THR GLN THR LYS VAL ILE ASP GLN ASP GLY ASP ASN SEQRES 5 A 141 PHE LYS THR LYS THR THR SER THR PHE ARG ASN TYR ASP SEQRES 6 A 141 VAL ASP PHE THR VAL GLY VAL GLU PHE ASP GLU TYR THR SEQRES 7 A 141 LYS SER LEU ASP ASN ARG HIS VAL LYS ALA LEU VAL THR SEQRES 8 A 141 TRP GLU GLY ASP VAL LEU VAL CYS VAL GLN LYS GLY GLU SEQRES 9 A 141 LYS GLU ASN ARG GLY TRP LYS GLN TRP ILE GLU GLY ASP SEQRES 10 A 141 LYS LEU TYR LEU GLU LEU THR CYS GLY ASP GLN VAL CYS SEQRES 11 A 141 ARG GLN VAL PHE LYS LYS LYS LEU VAL PRO ARG HET SO4 A 151 5 HET SO4 A 152 5 HET TLA A 150 10 HETNAM SO4 SULFATE ION HETNAM TLA L(+)-TARTARIC ACID FORMUL 2 SO4 2(O4 S 2-) FORMUL 4 TLA C4 H6 O6 FORMUL 5 HOH *156(H2 O) HELIX 1 1 ASN A 15 LEU A 23 1 9 HELIX 2 2 ASP A 26 VAL A 34 1 9 SHEET 1 A10 VAL A 62 THR A 65 0 SHEET 2 A10 ASN A 48 THR A 54 -1 N PHE A 49 O PHE A 64 SHEET 3 A10 THR A 39 ASP A 45 -1 N VAL A 41 O LYS A 52 SHEET 4 A10 GLY A 6 GLU A 14 -1 N TRP A 8 O LYS A 40 SHEET 5 A10 GLN A 124 LEU A 134 -1 O VAL A 129 N GLU A 11 SHEET 6 A10 LYS A 114 CYS A 121 -1 N LEU A 115 O PHE A 130 SHEET 7 A10 GLY A 105 GLU A 111 -1 N TRP A 109 O TYR A 116 SHEET 8 A10 VAL A 92 LYS A 98 -1 N CYS A 95 O TRP A 106 SHEET 9 A10 HIS A 81 GLU A 89 -1 N THR A 87 O VAL A 94 SHEET 10 A10 PHE A 70 TYR A 73 -1 N PHE A 70 O ALA A 84 SITE 1 AC1 8 ASP A 26 PHE A 27 ARG A 30 HOH A 206 SITE 2 AC1 8 HOH A 242 HOH A 260 HOH A 274 HOH A 297 SITE 1 AC2 5 ARG A 58 LYS A 98 HOH A 202 HOH A 226 SITE 2 AC2 5 HOH A 285 SITE 1 AC3 11 ASN A 13 GLU A 14 ASN A 15 PHE A 16 SITE 2 AC3 11 GLU A 17 ARG A 35 LYS A 133 HOH A 167 SITE 3 AC3 11 HOH A 207 HOH A 229 HOH A 249 CRYST1 35.518 49.834 74.398 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 0.028155 0.000000 0.000000 0.00000 SCALE2 0.000000 0.020067 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013441 0.00000