HEADER TRANSPORT PROTEIN 07-SEP-07 2R73 TITLE CRYSTAL STRUCTURE OF THE POSSUM MILK WHEY LIPOCALIN TRICHOSURIN AT PH TITLE 2 8.2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRICHOSURIN; COMPND 3 CHAIN: A, B, C, D; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TRICHOSURUS VULPECULA; SOURCE 3 ORGANISM_COMMON: SILVER-GRAY BRUSHTAIL POSSUM; SOURCE 4 ORGANISM_TAXID: 9337; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET23A KEYWDS LIPOCALIN, BETA BARREL, MILK WHEY LIPOCALIN, DIMER, GLYCOPROTEIN, KEYWDS 2 MILK PROTEIN, SECRETED, TRANSPORT, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR R.P.WATSON REVDAT 4 25-OCT-23 2R73 1 REMARK REVDAT 3 10-NOV-21 2R73 1 SEQADV REVDAT 2 24-FEB-09 2R73 1 VERSN REVDAT 1 20-NOV-07 2R73 0 JRNL AUTH R.P.WATSON,J.DEMMER,E.N.BAKER,V.L.ARCUS JRNL TITL THREE-DIMENSIONAL STRUCTURE AND LIGAND BINDING PROPERTIES OF JRNL TITL 2 TRICHOSURIN, A METATHERIAN LIPOCALIN FROM THE MILK WHEY OF JRNL TITL 3 THE COMMON BRUSHTAIL POSSUM TRICHOSURUS VULPECULA JRNL REF BIOCHEM.J. V. 408 29 2007 JRNL REFN ISSN 0264-6021 JRNL PMID 17685895 JRNL DOI 10.1042/BJ20070567 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 25864 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.217 REMARK 3 FREE R VALUE : 0.269 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2555 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4845 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 187 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.236 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.635 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.798 ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 2.244 ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2R73 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 21-SEP-07. REMARK 100 THE DEPOSITION ID IS D_1000044506. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-JUN-02 REMARK 200 TEMPERATURE (KELVIN) : 113 REMARK 200 PH : 8.2 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 RUH3R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5419 REMARK 200 MONOCHROMATOR : NICKEL COATED MIRRORS REMARK 200 OPTICS : MIRRORS. REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25922 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 20.24 REMARK 200 R MERGE (I) : 0.08500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 33.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.59 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.51600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 6.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 2R74 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.06 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.28 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 12% PEG 4000, 200MM LISO4, 100MM TRIS REMARK 280 -HCL, PH 8.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 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+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 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 70.27850 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 50.57800 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 50.57800 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 105.41775 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 50.57800 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 50.57800 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 35.13925 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 50.57800 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 50.57800 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 105.41775 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 50.57800 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 50.57800 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 35.13925 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 70.27850 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, D 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 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 LEU A 2 REMARK 465 GLN A 3 REMARK 465 PRO A 4 REMARK 465 GLU A 5 REMARK 465 CYS A 6 REMARK 465 SER A 7 REMARK 465 ARG A 8 REMARK 465 SER A 9 REMARK 465 GLU A 10 REMARK 465 GLU A 11 REMARK 465 ASP A 12 REMARK 465 LEU A 13 REMARK 465 SER A 14 REMARK 465 ASP A 15 REMARK 465 GLU A 16 REMARK 465 LYS A 17 REMARK 465 GLU A 18 REMARK 465 ARG A 19 REMARK 465 LYS A 20 REMARK 465 MET B 1 REMARK 465 LEU B 2 REMARK 465 GLN B 3 REMARK 465 PRO B 4 REMARK 465 GLU B 5 REMARK 465 CYS B 6 REMARK 465 SER B 7 REMARK 465 ARG B 8 REMARK 465 SER B 9 REMARK 465 GLU B 10 REMARK 465 GLU B 11 REMARK 465 ASP B 12 REMARK 465 LEU B 13 REMARK 465 SER B 14 REMARK 465 ASP B 15 REMARK 465 GLU B 16 REMARK 465 LYS B 17 REMARK 465 GLU B 18 REMARK 465 ARG B 19 REMARK 465 LYS B 20 REMARK 465 TRP B 21 REMARK 465 MET C 1 REMARK 465 LEU C 2 REMARK 465 GLN C 3 REMARK 465 PRO C 4 REMARK 465 GLU C 5 REMARK 465 CYS C 6 REMARK 465 SER C 7 REMARK 465 ARG C 8 REMARK 465 SER C 9 REMARK 465 GLU C 10 REMARK 465 GLU C 11 REMARK 465 ASP C 12 REMARK 465 LEU C 13 REMARK 465 SER C 14 REMARK 465 ASP C 15 REMARK 465 GLU C 16 REMARK 465 LYS C 17 REMARK 465 GLU C 18 REMARK 465 ARG C 19 REMARK 465 LYS C 20 REMARK 465 MET D 1 REMARK 465 LEU D 2 REMARK 465 GLN D 3 REMARK 465 PRO D 4 REMARK 465 GLU D 5 REMARK 465 CYS D 6 REMARK 465 SER D 7 REMARK 465 ARG D 8 REMARK 465 SER D 9 REMARK 465 GLU D 10 REMARK 465 GLU D 11 REMARK 465 ASP D 12 REMARK 465 LEU D 13 REMARK 465 SER D 14 REMARK 465 ASP D 15 REMARK 465 GLU D 16 REMARK 465 LYS D 17 REMARK 465 GLU D 18 REMARK 465 ARG D 19 REMARK 465 LYS D 20 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 GLN A 72 CG CD OE1 NE2 REMARK 470 GLU A 138 CG CD OE1 OE2 REMARK 470 LYS A 141 CG CD CE NZ REMARK 470 ARG B 154 CG CD NE CZ NH1 NH2 REMARK 470 ASP C 164 CG OD1 OD2 REMARK 470 ARG D 26 CG CD NE CZ NH1 NH2 REMARK 470 LYS D 105 CG CD CE NZ REMARK 470 ARG D 142 CG CD NE CZ NH1 NH2 REMARK 470 GLU D 162 CG CD OE1 OE2 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 CZ2 TRP A 21 O HOH A 180 2.16 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 NH1 ARG A 38 O HOH D 167 6465 2.15 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 PRO A 106 C - N - CA ANGL. DEV. = 9.1 DEGREES 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 GLU A 44 -2.54 78.56 REMARK 500 TYR A 93 107.82 -168.58 REMARK 500 SER A 103 126.73 -178.82 REMARK 500 PRO A 106 -30.21 -33.53 REMARK 500 PRO A 133 -0.88 -55.69 REMARK 500 GLU B 43 127.08 -34.60 REMARK 500 GLU B 44 -14.08 83.69 REMARK 500 ASN B 70 44.64 77.31 REMARK 500 TYR B 93 110.13 -179.57 REMARK 500 SER B 103 122.58 -178.57 REMARK 500 LYS B 105 71.55 -151.34 REMARK 500 PRO B 106 -36.26 -39.30 REMARK 500 GLU C 44 -0.11 80.71 REMARK 500 TYR C 93 115.46 -166.11 REMARK 500 VAL C 163 -174.71 -63.93 REMARK 500 ASP C 164 75.65 -105.60 REMARK 500 ARG D 26 -168.11 -176.84 REMARK 500 GLU D 44 -11.70 77.85 REMARK 500 TYR D 93 117.70 -162.00 REMARK 500 SER D 103 128.52 -179.56 REMARK 500 LYS D 105 70.68 -162.57 REMARK 500 PRO D 133 -12.95 -49.16 REMARK 500 HIS D 165 -162.70 -174.63 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2R74 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE POSSUM MILK WHEY LIPOCALIN TRICHOSURIN AT REMARK 900 PH 4.6 REMARK 900 RELATED ID: 2RA6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE POSSUM MILK WHEY LIPOCALIN TRICHOSURIN AT REMARK 900 PH 4.6 BOUND 4-ETHYLPHENOL DBREF 2R73 A 2 166 UNP Q29147 TRIC_TRIVU 16 180 DBREF 2R73 B 2 166 UNP Q29147 TRIC_TRIVU 16 180 DBREF 2R73 C 2 166 UNP Q29147 TRIC_TRIVU 16 180 DBREF 2R73 D 2 166 UNP Q29147 TRIC_TRIVU 16 180 SEQADV 2R73 MET A 1 UNP Q29147 INITIATING METHIONINE SEQADV 2R73 GLU A 102 UNP Q29147 GLY 116 ENGINEERED MUTATION SEQADV 2R73 MET B 1 UNP Q29147 INITIATING METHIONINE SEQADV 2R73 GLU B 102 UNP Q29147 GLY 116 ENGINEERED MUTATION SEQADV 2R73 MET C 1 UNP Q29147 INITIATING METHIONINE SEQADV 2R73 GLU C 102 UNP Q29147 GLY 116 ENGINEERED MUTATION SEQADV 2R73 MET D 1 UNP Q29147 INITIATING METHIONINE SEQADV 2R73 GLU D 102 UNP Q29147 GLY 116 ENGINEERED MUTATION SEQRES 1 A 166 MET LEU GLN PRO GLU CYS SER ARG SER GLU GLU ASP LEU SEQRES 2 A 166 SER ASP GLU LYS GLU ARG LYS TRP GLU GLN LEU SER ARG SEQRES 3 A 166 HIS TRP HIS THR VAL VAL LEU ALA SER SER ASP ARG SER SEQRES 4 A 166 LEU ILE GLU GLU GLU GLY PRO PHE ARG ASN PHE ILE GLN SEQRES 5 A 166 ASN ILE THR VAL GLU SER GLY ASN LEU ASN GLY PHE PHE SEQRES 6 A 166 LEU THR ARG LYS ASN GLY GLN CYS ILE PRO LEU TYR LEU SEQRES 7 A 166 THR ALA PHE LYS THR GLU GLU ALA ARG GLN PHE LYS LEU SEQRES 8 A 166 ASN TYR TYR GLY THR ASN ASP VAL TYR TYR GLU SER SER SEQRES 9 A 166 LYS PRO ASN GLU TYR ALA LYS PHE ILE PHE TYR ASN TYR SEQRES 10 A 166 HIS ASP GLY LYS VAL ASN VAL VAL ALA ASN LEU PHE GLY SEQRES 11 A 166 ARG THR PRO ASN LEU SER ASN GLU ILE LYS LYS ARG PHE SEQRES 12 A 166 GLU GLU ASP PHE MET ASN ARG GLY PHE ARG ARG GLU ASN SEQRES 13 A 166 ILE LEU ASP ILE SER GLU VAL ASP HIS CYS SEQRES 1 B 166 MET LEU GLN PRO GLU CYS SER ARG SER GLU GLU ASP LEU SEQRES 2 B 166 SER ASP GLU LYS GLU ARG LYS TRP GLU GLN LEU SER ARG SEQRES 3 B 166 HIS TRP HIS THR VAL VAL LEU ALA SER SER ASP ARG SER SEQRES 4 B 166 LEU ILE GLU GLU GLU GLY PRO PHE ARG ASN PHE ILE GLN SEQRES 5 B 166 ASN ILE THR VAL GLU SER GLY ASN LEU ASN GLY PHE PHE SEQRES 6 B 166 LEU THR ARG LYS ASN GLY GLN CYS ILE PRO LEU TYR LEU SEQRES 7 B 166 THR ALA PHE LYS THR GLU GLU ALA ARG GLN PHE LYS LEU SEQRES 8 B 166 ASN TYR TYR GLY THR ASN ASP VAL TYR TYR GLU SER SER SEQRES 9 B 166 LYS PRO ASN GLU TYR ALA LYS PHE ILE PHE TYR ASN TYR SEQRES 10 B 166 HIS ASP GLY LYS VAL ASN VAL VAL ALA ASN LEU PHE GLY SEQRES 11 B 166 ARG THR PRO ASN LEU SER ASN GLU ILE LYS LYS ARG PHE SEQRES 12 B 166 GLU GLU ASP PHE MET ASN ARG GLY PHE ARG ARG GLU ASN SEQRES 13 B 166 ILE LEU ASP ILE SER GLU VAL ASP HIS CYS SEQRES 1 C 166 MET LEU GLN PRO GLU CYS SER ARG SER GLU GLU ASP LEU SEQRES 2 C 166 SER ASP GLU LYS GLU ARG LYS TRP GLU GLN LEU SER ARG SEQRES 3 C 166 HIS TRP HIS THR VAL VAL LEU ALA SER SER ASP ARG SER SEQRES 4 C 166 LEU ILE GLU GLU GLU GLY PRO PHE ARG ASN PHE ILE GLN SEQRES 5 C 166 ASN ILE THR VAL GLU SER GLY ASN LEU ASN GLY PHE PHE SEQRES 6 C 166 LEU THR ARG LYS ASN GLY GLN CYS ILE PRO LEU TYR LEU SEQRES 7 C 166 THR ALA PHE LYS THR GLU GLU ALA ARG GLN PHE LYS LEU SEQRES 8 C 166 ASN TYR TYR GLY THR ASN ASP VAL TYR TYR GLU SER SER SEQRES 9 C 166 LYS PRO ASN GLU TYR ALA LYS PHE ILE PHE TYR ASN TYR SEQRES 10 C 166 HIS ASP GLY LYS VAL ASN VAL VAL ALA ASN LEU PHE GLY SEQRES 11 C 166 ARG THR PRO ASN LEU SER ASN GLU ILE LYS LYS ARG PHE SEQRES 12 C 166 GLU GLU ASP PHE MET ASN ARG GLY PHE ARG ARG GLU ASN SEQRES 13 C 166 ILE LEU ASP ILE SER GLU VAL ASP HIS CYS SEQRES 1 D 166 MET LEU GLN PRO GLU CYS SER ARG SER GLU GLU ASP LEU SEQRES 2 D 166 SER ASP GLU LYS GLU ARG LYS TRP GLU GLN LEU SER ARG SEQRES 3 D 166 HIS TRP HIS THR VAL VAL LEU ALA SER SER ASP ARG SER SEQRES 4 D 166 LEU ILE GLU GLU GLU GLY PRO PHE ARG ASN PHE ILE GLN SEQRES 5 D 166 ASN ILE THR VAL GLU SER GLY ASN LEU ASN GLY PHE PHE SEQRES 6 D 166 LEU THR ARG LYS ASN GLY GLN CYS ILE PRO LEU TYR LEU SEQRES 7 D 166 THR ALA PHE LYS THR GLU GLU ALA ARG GLN PHE LYS LEU SEQRES 8 D 166 ASN TYR TYR GLY THR ASN ASP VAL TYR TYR GLU SER SER SEQRES 9 D 166 LYS PRO ASN GLU TYR ALA LYS PHE ILE PHE TYR ASN TYR SEQRES 10 D 166 HIS ASP GLY LYS VAL ASN VAL VAL ALA ASN LEU PHE GLY SEQRES 11 D 166 ARG THR PRO ASN LEU SER ASN GLU ILE LYS LYS ARG PHE SEQRES 12 D 166 GLU GLU ASP PHE MET ASN ARG GLY PHE ARG ARG GLU ASN SEQRES 13 D 166 ILE LEU ASP ILE SER GLU VAL ASP HIS CYS FORMUL 5 HOH *187(H2 O) HELIX 1 1 ASP A 37 ILE A 41 5 5 HELIX 2 2 SER A 136 ASN A 149 1 14 HELIX 3 3 ARG A 153 GLU A 155 5 3 HELIX 4 4 ASP B 37 GLU B 42 5 6 HELIX 5 5 SER B 136 ARG B 150 1 15 HELIX 6 6 ARG B 153 GLU B 155 5 3 HELIX 7 7 SER B 161 VAL B 163 5 3 HELIX 8 8 TRP C 21 SER C 25 5 5 HELIX 9 9 ASP C 37 GLU C 42 1 6 HELIX 10 10 SER C 136 ASN C 149 1 14 HELIX 11 11 ARG C 153 GLU C 155 5 3 HELIX 12 12 ASP D 37 GLU D 42 1 6 HELIX 13 13 SER D 136 ARG D 150 1 15 HELIX 14 14 ARG D 153 GLU D 155 5 3 SHEET 1 A 9 PHE A 50 GLU A 57 0 SHEET 2 A 9 ASN A 60 LYS A 69 -1 O LEU A 66 N PHE A 50 SHEET 3 A 9 GLN A 72 LYS A 82 -1 O LEU A 76 N PHE A 65 SHEET 4 A 9 GLN A 88 ASN A 92 -1 O LYS A 90 N PHE A 81 SHEET 5 A 9 THR A 96 GLU A 102 -1 O VAL A 99 N PHE A 89 SHEET 6 A 9 TYR A 109 HIS A 118 -1 O ILE A 113 N TYR A 100 SHEET 7 A 9 LYS A 121 GLY A 130 -1 O PHE A 129 N ALA A 110 SHEET 8 A 9 HIS A 29 SER A 35 -1 N ALA A 34 O ALA A 126 SHEET 9 A 9 ILE A 157 ASP A 159 -1 O LEU A 158 N LEU A 33 SHEET 1 B 9 PHE B 50 GLU B 57 0 SHEET 2 B 9 ASN B 60 ARG B 68 -1 O ASN B 62 N THR B 55 SHEET 3 B 9 CYS B 73 LYS B 82 -1 O LEU B 76 N PHE B 65 SHEET 4 B 9 GLN B 88 ASN B 92 -1 O LYS B 90 N PHE B 81 SHEET 5 B 9 THR B 96 GLU B 102 -1 O VAL B 99 N PHE B 89 SHEET 6 B 9 TYR B 109 HIS B 118 -1 O ILE B 113 N TYR B 100 SHEET 7 B 9 LYS B 121 GLY B 130 -1 O PHE B 129 N ALA B 110 SHEET 8 B 9 HIS B 29 SER B 35 -1 N ALA B 34 O ALA B 126 SHEET 9 B 9 ILE B 157 ASP B 159 -1 O LEU B 158 N LEU B 33 SHEET 1 C 9 ASN C 49 GLU C 57 0 SHEET 2 C 9 ASN C 60 LYS C 69 -1 O PHE C 64 N GLN C 52 SHEET 3 C 9 GLN C 72 LYS C 82 -1 O LEU C 76 N PHE C 65 SHEET 4 C 9 GLN C 88 ASN C 92 -1 O LYS C 90 N PHE C 81 SHEET 5 C 9 THR C 96 GLU C 102 -1 O VAL C 99 N PHE C 89 SHEET 6 C 9 TYR C 109 HIS C 118 -1 O ILE C 113 N TYR C 100 SHEET 7 C 9 LYS C 121 GLY C 130 -1 O VAL C 125 N PHE C 114 SHEET 8 C 9 HIS C 29 SER C 35 -1 N ALA C 34 O ALA C 126 SHEET 9 C 9 ILE C 157 ASP C 159 -1 O LEU C 158 N LEU C 33 SHEET 1 D 9 ASN D 49 GLU D 57 0 SHEET 2 D 9 ASN D 60 LYS D 69 -1 O LEU D 66 N PHE D 50 SHEET 3 D 9 GLN D 72 LYS D 82 -1 O ILE D 74 N THR D 67 SHEET 4 D 9 GLN D 88 ASN D 92 -1 O LYS D 90 N PHE D 81 SHEET 5 D 9 THR D 96 GLU D 102 -1 O VAL D 99 N PHE D 89 SHEET 6 D 9 TYR D 109 HIS D 118 -1 O ILE D 113 N TYR D 100 SHEET 7 D 9 LYS D 121 GLY D 130 -1 O PHE D 129 N ALA D 110 SHEET 8 D 9 HIS D 29 SER D 35 -1 N VAL D 31 O LEU D 128 SHEET 9 D 9 ILE D 157 ASP D 159 -1 O LEU D 158 N LEU D 33 SSBOND 1 CYS A 73 CYS A 166 1555 1555 2.03 SSBOND 2 CYS B 73 CYS B 166 1555 1555 2.04 SSBOND 3 CYS C 73 CYS C 166 1555 1555 2.03 SSBOND 4 CYS D 73 CYS D 166 1555 1555 2.04 CRYST1 101.156 101.156 140.557 90.00 90.00 90.00 P 43 21 2 32 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 0.009886 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009886 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007115 0.00000