HEADER TRANSPORT PROTEIN 18-DEC-15 5FFH TITLE CRYSTAL STRUCTURE OF THE Q108K:K40L:T51V:R58W:Y19W MUTANT OF HUMAN TITLE 2 CELLULAR RETINOL BINDING PROTEIN II IN COMPLEX WITH ALL-TRANS-RETINAL TITLE 3 AT 1.68 ANGSTROM RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: RETINOL-BINDING PROTEIN 2; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CELLULAR RETINOL-BINDING PROTEIN II,CRBP-II; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: 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: 511693; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET17B KEYWDS ALL-TRANS RETINAL, RETINAL LIGHT ABSORBING PIGMENT, WAVELENGTH KEYWDS 2 REGULATION, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR Z.NOSSONI,M.NOSRATI,J.H.GEIGER REVDAT 2 27-SEP-23 5FFH 1 REMARK REVDAT 1 21-DEC-16 5FFH 0 JRNL AUTH Z.NOSSONI,M.NOSRATI,W.WANG,T.BERBASOVA,C.VASILEIOU,B.BORHAN, JRNL AUTH 2 J.H.GEIGER JRNL TITL CRYSTAL STRUCTURE OF THE Q108K:K40L:T51V:R58W:Y19W MUTANT OF JRNL TITL 2 HUMAN CELLULAR RETINOL BINDING PROTEINII IN COMPLEX WITH JRNL TITL 3 ALL-TRANS-RETINAL AT 1.68 ANGSTROM RESOLUTION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.68 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.7.2_869 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) : 1.68 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 32.83 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.970 REMARK 3 COMPLETENESS FOR RANGE (%) : 91.1 REMARK 3 NUMBER OF REFLECTIONS : 25558 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.219 REMARK 3 R VALUE (WORKING SET) : 0.216 REMARK 3 FREE R VALUE : 0.267 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1304 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 32.8344 - 3.4933 0.98 2918 153 0.1803 0.2045 REMARK 3 2 3.4933 - 2.7732 0.99 2904 158 0.2081 0.2800 REMARK 3 3 2.7732 - 2.4228 0.98 2892 160 0.2345 0.2890 REMARK 3 4 2.4228 - 2.2013 0.98 2920 146 0.2362 0.3108 REMARK 3 5 2.2013 - 2.0435 0.96 2825 161 0.2349 0.3227 REMARK 3 6 2.0435 - 1.9231 0.93 2740 138 0.2379 0.2935 REMARK 3 7 1.9231 - 1.8268 0.88 2601 132 0.2487 0.3020 REMARK 3 8 1.8268 - 1.7473 0.81 2387 146 0.2918 0.3376 REMARK 3 9 1.7473 - 1.6800 0.70 2067 110 0.3307 0.3682 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.86 REMARK 3 K_SOL : 0.36 REMARK 3 B_SOL : 37.23 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.490 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 29.510 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) : 0.44910 REMARK 3 B22 (A**2) : 0.20080 REMARK 3 B33 (A**2) : -0.65000 REMARK 3 B12 (A**2) : 0.23900 REMARK 3 B13 (A**2) : -0.16180 REMARK 3 B23 (A**2) : 0.09030 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 : 0.008 2276 REMARK 3 ANGLE : 1.200 3069 REMARK 3 CHIRALITY : 0.084 325 REMARK 3 PLANARITY : 0.008 398 REMARK 3 DIHEDRAL : 16.583 828 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 5FFH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-DEC-15. REMARK 100 THE DEPOSITION ID IS D_1000216427. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-DEC-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.0-4.8 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9786 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25558 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.680 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 (%) : 91.0 REMARK 200 DATA REDUNDANCY : 1.800 REMARK 200 R MERGE (I) : 0.07600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.4300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.68 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.75 REMARK 200 COMPLETENESS FOR SHELL (%) : 70.0 REMARK 200 DATA REDUNDANCY IN SHELL : 1.50 REMARK 200 R MERGE FOR SHELL (I) : 0.48600 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: MOLREP REMARK 200 STARTING MODEL: 2RCT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.44 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG4000, 0.1M AMMONIUM ACETATE, REMARK 280 0.1M SODIUM ACETATE, PH 4.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 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 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 350 REMARK 350 BIOMOLECULE: 2 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: 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 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 305 O HOH B 340 2.07 REMARK 500 O HOH B 344 O HOH B 359 2.14 REMARK 500 OE2 GLU A 118 O HOH A 301 2.14 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 ASN A 13 90.59 -172.96 REMARK 500 LYS A 75 88.38 44.61 REMARK 500 SER A 76 -15.62 67.33 REMARK 500 LEU A 77 -71.41 -62.83 REMARK 500 ASP A 78 10.10 -142.66 REMARK 500 THR B 74 39.06 -86.67 REMARK 500 LYS B 75 93.86 15.86 REMARK 500 SER B 76 -5.60 59.36 REMARK 500 LEU B 77 -76.71 -76.33 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 RET B 202 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 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue RET A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ACT B 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5F58 RELATED DB: PDB REMARK 900 RELATED ID: 5F6B RELATED DB: PDB REMARK 900 RELATED ID: 5F7G RELATED DB: PDB REMARK 900 RELATED ID: 5FAZ RELATED DB: PDB REMARK 900 RELATED ID: 4RUU RELATED DB: PDB REMARK 900 RELATED ID: 4EEJ RELATED DB: PDB REMARK 900 RELATED ID: 4EDE RELATED DB: PDB DBREF 5FFH A 1 133 UNP P50120 RET2_HUMAN 2 134 DBREF 5FFH B 1 133 UNP P50120 RET2_HUMAN 2 134 SEQADV 5FFH TRP A 19 UNP P50120 TYR 20 ENGINEERED MUTATION SEQADV 5FFH LEU A 40 UNP P50120 LYS 41 ENGINEERED MUTATION SEQADV 5FFH VAL A 51 UNP P50120 THR 52 ENGINEERED MUTATION SEQADV 5FFH TRP A 58 UNP P50120 ARG 59 ENGINEERED MUTATION SEQADV 5FFH LYS A 108 UNP P50120 GLN 109 ENGINEERED MUTATION SEQADV 5FFH TRP B 19 UNP P50120 TYR 20 ENGINEERED MUTATION SEQADV 5FFH LEU B 40 UNP P50120 LYS 41 ENGINEERED MUTATION SEQADV 5FFH VAL B 51 UNP P50120 THR 52 ENGINEERED MUTATION SEQADV 5FFH TRP B 58 UNP P50120 ARG 59 ENGINEERED MUTATION SEQADV 5FFH LYS B 108 UNP P50120 GLN 109 ENGINEERED MUTATION SEQRES 1 A 133 THR ARG ASP GLN ASN GLY THR TRP GLU MET GLU SER ASN SEQRES 2 A 133 GLU ASN PHE GLU GLY TRP MET LYS ALA LEU ASP ILE ASP SEQRES 3 A 133 PHE ALA THR ARG LYS ILE ALA VAL ARG LEU THR GLN THR SEQRES 4 A 133 LEU VAL ILE ASP GLN ASP GLY ASP ASN PHE LYS VAL LYS SEQRES 5 A 133 THR THR SER THR PHE TRP ASN TYR ASP VAL ASP PHE THR SEQRES 6 A 133 VAL GLY VAL GLU PHE ASP GLU TYR THR LYS SER LEU ASP SEQRES 7 A 133 ASN ARG HIS VAL LYS ALA LEU VAL THR TRP GLU GLY ASP SEQRES 8 A 133 VAL LEU VAL CYS VAL GLN LYS GLY GLU LYS GLU ASN ARG SEQRES 9 A 133 GLY TRP LYS LYS TRP ILE GLU GLY ASP LYS LEU TYR LEU SEQRES 10 A 133 GLU LEU THR CYS GLY ASP GLN VAL CYS ARG GLN VAL PHE SEQRES 11 A 133 LYS LYS LYS SEQRES 1 B 133 THR ARG ASP GLN ASN GLY THR TRP GLU MET GLU SER ASN SEQRES 2 B 133 GLU ASN PHE GLU GLY TRP MET LYS ALA LEU ASP ILE ASP SEQRES 3 B 133 PHE ALA THR ARG LYS ILE ALA VAL ARG LEU THR GLN THR SEQRES 4 B 133 LEU VAL ILE ASP GLN ASP GLY ASP ASN PHE LYS VAL LYS SEQRES 5 B 133 THR THR SER THR PHE TRP ASN TYR ASP VAL ASP PHE THR SEQRES 6 B 133 VAL GLY VAL GLU PHE ASP GLU TYR THR LYS SER LEU ASP SEQRES 7 B 133 ASN ARG HIS VAL LYS ALA LEU VAL THR TRP GLU GLY ASP SEQRES 8 B 133 VAL LEU VAL CYS VAL GLN LYS GLY GLU LYS GLU ASN ARG SEQRES 9 B 133 GLY TRP LYS LYS TRP ILE GLU GLY ASP LYS LEU TYR LEU SEQRES 10 B 133 GLU LEU THR CYS GLY ASP GLN VAL CYS ARG GLN VAL PHE SEQRES 11 B 133 LYS LYS LYS HET ACT A 201 4 HET RET A 202 20 HET ACT B 201 4 HET RET B 202 5 HETNAM ACT ACETATE ION HETNAM RET RETINAL FORMUL 3 ACT 2(C2 H3 O2 1-) FORMUL 4 RET 2(C20 H28 O) FORMUL 7 HOH *201(H2 O) HELIX 1 AA1 ASN A 15 LEU A 23 1 9 HELIX 2 AA2 ASP A 26 VAL A 34 1 9 HELIX 3 AA3 ASN B 15 LEU B 23 1 9 HELIX 4 AA4 ASP B 26 VAL B 34 1 9 SHEET 1 AA110 ASN A 59 THR A 65 0 SHEET 2 AA110 ASN A 48 THR A 54 -1 N VAL A 51 O VAL A 62 SHEET 3 AA110 THR A 39 ASP A 45 -1 N VAL A 41 O LYS A 52 SHEET 4 AA110 GLY A 6 GLU A 14 -1 N TRP A 8 O LEU A 40 SHEET 5 AA110 GLN A 124 LYS A 132 -1 O VAL A 129 N GLU A 11 SHEET 6 AA110 LYS A 114 CYS A 121 -1 N LEU A 119 O CYS A 126 SHEET 7 AA110 GLY A 105 GLU A 111 -1 N TRP A 109 O TYR A 116 SHEET 8 AA110 VAL A 92 LYS A 98 -1 N LEU A 93 O LYS A 108 SHEET 9 AA110 HIS A 81 GLU A 89 -1 N GLU A 89 O VAL A 92 SHEET 10 AA110 PHE A 70 TYR A 73 -1 N PHE A 70 O ALA A 84 SHEET 1 AA210 ASN B 59 THR B 65 0 SHEET 2 AA210 ASN B 48 THR B 54 -1 N PHE B 49 O PHE B 64 SHEET 3 AA210 THR B 39 ASP B 45 -1 N VAL B 41 O LYS B 52 SHEET 4 AA210 GLY B 6 GLU B 14 -1 N TRP B 8 O LEU B 40 SHEET 5 AA210 GLN B 124 LYS B 132 -1 O VAL B 129 N GLU B 11 SHEET 6 AA210 LYS B 114 CYS B 121 -1 N LEU B 117 O GLN B 128 SHEET 7 AA210 GLY B 105 GLU B 111 -1 N TRP B 109 O TYR B 116 SHEET 8 AA210 VAL B 92 LYS B 98 -1 N LEU B 93 O LYS B 108 SHEET 9 AA210 HIS B 81 GLU B 89 -1 N GLU B 89 O VAL B 92 SHEET 10 AA210 PHE B 70 TYR B 73 -1 N PHE B 70 O ALA B 84 LINK NZ LYS A 108 C15 RET A 202 1555 1555 1.26 LINK NZ LYS B 108 C15 RET B 202 1555 1555 1.27 SITE 1 AC1 5 TYR A 60 GLU A 72 GLN A 97 TRP A 106 SITE 2 AC1 5 RET A 202 SITE 1 AC2 9 PHE A 16 TRP A 19 ALA A 33 TYR A 60 SITE 2 AC2 9 LEU A 77 TRP A 106 LYS A 108 ACT A 201 SITE 3 AC2 9 HOH A 311 SITE 1 AC3 6 TYR B 60 GLU B 72 CYS B 95 GLN B 97 SITE 2 AC3 6 TRP B 106 RET B 202 CRYST1 29.964 35.914 64.568 90.63 91.28 113.89 P 1 2 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 0.033373 0.014785 0.001068 0.00000 SCALE2 0.000000 0.030454 0.000667 0.00000 SCALE3 0.000000 0.000000 0.015495 0.00000