10 20 30 40 50 60 70 80 1BSQ - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER HORMONE/GROWTH FACTOR 29-AUG-98 1BSQ
TITLE STRUCTURAL AND FUNCTIONAL CONSEQUENCES OF POINT MUTATIONS TITLE 2 OF VARIANTS A AND B OF BOVINE BETA-LACTOGLOBULIN
COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (BETA-LACTOGLOBULIN); COMPND 3 CHAIN: A; COMPND 4 MUTATION: YES
SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 VARIANT: VARIANT B; SOURCE 6 ORGAN: BREAST; SOURCE 7 TISSUE: MAMMARY GLAND; SOURCE 8 SECRETION: BREAST; SOURCE 9 OTHER_DETAILS: ISOLATED FIRST FROM COW'S MILK IN 1934.
KEYWDS BOVINE BETA-LACTOGLOBULIN, CRYSTAL STRUCTURE, GENETIC KEYWDS 2 VARIANTS, POINT MUTATION, HYDROPHOBIC, HORMONE/GROWTH KEYWDS 3 FACTOR COMPLEX
EXPDTA X-RAY DIFFRACTION
AUTHOR B.Y.QIN,L.K.CREAMER,M.C.BEWLEY,E.N.BAKER,G.B.JAMESON
REVDAT 4 24-FEB-09 1BSQ 1 VERSN REVDAT 3 01-APR-03 1BSQ 1 JRNL REVDAT 2 29-DEC-99 1BSQ 4 HEADER COMPND REMARK JRNL REVDAT 2 2 4 ATOM SOURCE SEQRES REVDAT 1 02-SEP-98 1BSQ 0
JRNL AUTH B.Y.QIN,M.C.BEWLEY,L.K.CREAMER,E.N.BAKER, JRNL AUTH 2 G.B.JAMESON JRNL TITL FUNCTIONAL IMPLICATIONS OF STRUCTURAL DIFFERENCES JRNL TITL 2 BETWEEN VARIANTS A AND B OF BOVINE JRNL TITL 3 BETA-LACTOGLOBULIN. JRNL REF PROTEIN SCI. V. 8 75 1999 JRNL REFN ISSN 0961-8368 JRNL PMID 10210185
REMARK 1
REMARK 2 REMARK 2 RESOLUTION. 2.22 ANGSTROMS.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.22 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0100 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 86.0 REMARK 3 NUMBER OF REFLECTIONS : 8585 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 SET) : 0.239 REMARK 3 FREE R VALUE : 0.286 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.700 REMARK 3 FREE R VALUE TEST SET COUNT : 576 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.012 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.22 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.32 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 65.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 727 REMARK 3 BIN R VALUE (WORKING SET) : 0.4900 REMARK 3 BIN FREE R VALUE : 0.4800 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.46 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 56 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.043 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1280 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 100 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 54.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 53.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.60 REMARK 3 ESD FROM SIGMAA (A) : 0.72 REMARK 3 LOW RESOLUTION CUTOFF (A) : 15.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.60 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.72 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.60 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.29 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : OVERALL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : WATER.PAR REMARK 3 PARAMETER FILE 3 : BRC.PAR REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : BRC.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL
REMARK 4 REMARK 4 1BSQ COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-JUN-99. REMARK 100 THE RCSB ID CODE IS RCSB008226.
REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 7.1 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9182 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.220 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.2 REMARK 200 DATA REDUNDANCY : 2.690 REMARK 200 R MERGE (I) : 0.08600 REMARK 200 R SYM (I) : 0.08600 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.2200 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.22 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 71.8 REMARK 200 DATA REDUNDANCY IN SHELL : 1.95 REMARK 200 R MERGE FOR SHELL (I) : 0.35000 REMARK 200 R SYM FOR SHELL (I) : 0.35000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.000 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: BOVINE BETA-LACTOGLOBULIN VARIANT A IN LATTICE REMARK 200 Z AT PH 7.1 REMARK 200 REMARK 200 REMARK: DATA WERE COLLECTED USING OSCILLATION METHOD
REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.62 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM REMARK 280 AMMONIUM SULFATE; PH 7.1
REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 75.34600 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 37.67300 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 37.67300 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 75.34600 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 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 ILE A 2 -36.67 -135.09 REMARK 500 ASP A 33 -94.14 -30.16 REMARK 500 ASN A 63 -82.98 -145.37 REMARK 500 CYS A 66 105.67 -56.13 REMARK 500 ALA A 86 -102.21 -113.91 REMARK 500 LEU A 87 66.77 -68.48 REMARK 500 ASN A 88 19.14 53.67 REMARK 500 THR A 97 139.10 177.86 REMARK 500 TYR A 99 -35.28 64.70 REMARK 500 PRO A 126 45.55 -83.81 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 174 DISTANCE = 6.21 ANGSTROMS REMARK 525 HOH A 180 DISTANCE = 5.49 ANGSTROMS REMARK 525 HOH A 236 DISTANCE = 11.04 ANGSTROMS REMARK 525 HOH A 237 DISTANCE = 12.66 ANGSTROMS
DBREF 1BSQ A 1 162 UNP P02754 LACB_BOVIN 17 178
SEQRES 1 A 162 LEU ILE VAL THR GLN THR MET LYS GLY LEU ASP ILE GLN SEQRES 2 A 162 LYS VAL ALA GLY THR TRP TYR SER LEU ALA MET ALA ALA SEQRES 3 A 162 SER ASP ILE SER LEU LEU ASP ALA GLN SER ALA PRO LEU SEQRES 4 A 162 ARG VAL TYR VAL GLU GLU LEU LYS PRO THR PRO GLU GLY SEQRES 5 A 162 ASP LEU GLU ILE LEU LEU GLN LYS TRP GLU ASN GLY GLU SEQRES 6 A 162 CYS ALA GLN LYS LYS ILE ILE ALA GLU LYS THR LYS ILE SEQRES 7 A 162 PRO ALA VAL PHE LYS ILE ASP ALA LEU ASN GLU ASN LYS SEQRES 8 A 162 VAL LEU VAL LEU ASP THR ASP TYR LYS LYS TYR LEU LEU SEQRES 9 A 162 PHE CYS MET GLU ASN SER ALA GLU PRO GLU GLN SER LEU SEQRES 10 A 162 ALA CYS GLN CYS LEU VAL ARG THR PRO GLU VAL ASP ASP SEQRES 11 A 162 GLU ALA LEU GLU LYS PHE ASP LYS ALA LEU LYS ALA LEU SEQRES 12 A 162 PRO MET HIS ILE ARG LEU SER PHE ASN PRO THR GLN LEU SEQRES 13 A 162 GLU GLU GLN CYS HIS ILE
FORMUL 2 HOH *100(H2 O)
HELIX 1 1 ILE A 12 VAL A 15 5 4 HELIX 2 2 ILE A 29 LEU A 32 1 4 HELIX 3 3 ASP A 130 LEU A 140 1 11 HELIX 4 4 PRO A 153 LEU A 156 1 4
SHEET 1 A 6 ILE A 147 SER A 150 0 SHEET 2 A 6 TYR A 20 ALA A 26 -1 N ALA A 26 O ILE A 147 SHEET 3 A 6 ALA A 118 VAL A 123 -1 N VAL A 123 O TYR A 20 SHEET 4 A 6 TYR A 102 GLU A 108 -1 N MET A 107 O ALA A 118 SHEET 5 A 6 LYS A 91 THR A 97 -1 N ASP A 96 O LEU A 104 SHEET 6 A 6 VAL A 81 LYS A 83 -1 N PHE A 82 O VAL A 92 SHEET 1 B 3 CYS A 66 ALA A 73 0 SHEET 2 B 3 LEU A 54 TRP A 61 -1 N LYS A 60 O ALA A 67 SHEET 3 B 3 TYR A 42 PRO A 48 -1 N LYS A 47 O GLU A 55
SSBOND 1 CYS A 66 CYS A 160 1555 1555 2.02 SSBOND 2 CYS A 106 CYS A 119 1555 1555 2.03
CRYST1 54.231 54.231 113.019 90.00 90.00 120.00 P 32 2 1 6
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 0.018440 0.010646 0.000000 0.00000
SCALE2 0.000000 0.021292 0.000000 0.00000
SCALE3 0.000000 0.000000 0.008848 0.00000