PDB Short entry for 1DF5 HEADER VIRAL PROTEIN 17-NOV-99 1DF5 TITLE INTERACTIONS BETWEEN HIV-1 GP41 CORE AND DETERGENTS AND THEIR TITLE 2 IMPLICATIONS FOR MEMBRANE FUSION COMPND MOL_ID: 1; COMPND 2 MOLECULE: HIV-1 ENVELOPE GLYCOPROTEIN GP41; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 1 - 34 AND 41 - 68 CONNECTED BY A SIX-RESIDUE COMPND 5 LINKER (SER-GLY-GLY-ARG-GLY-GLY); COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS 1; SOURCE 3 ORGANISM_TAXID: 11676; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 OTHER_DETAILS: RECOMBINANT GP41 WITH LINKER (SER-GLY-GLY- ARG-GLY- SOURCE 7 GLY) BETWEEN TWO FRAGMENTS KEYWDS HIV-1, GP41, MEMBRANE FUSION, PROTEIN-DETERGENT INTERACTION, VIRAL KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR W.SHU,H.JI,M.LU REVDAT 6 07-FEB-24 1DF5 1 REMARK REVDAT 5 09-AUG-17 1DF5 1 SOURCE REMARK REVDAT 4 13-JUL-11 1DF5 1 VERSN REVDAT 3 24-FEB-09 1DF5 1 VERSN REVDAT 2 26-JAN-00 1DF5 1 JRNL REMARK REVDAT 1 24-NOV-99 1DF5 0 JRNL AUTH W.SHU,H.JI,M.LU JRNL TITL INTERACTIONS BETWEEN HIV-1 GP41 CORE AND DETERGENTS AND JRNL TITL 2 THEIR IMPLICATIONS FOR MEMBRANE FUSION. JRNL REF J.BIOL.CHEM. V. 275 1839 2000 JRNL REFN ISSN 0021-9258 JRNL PMID 10636883 JRNL DOI 10.1074/JBC.275.3.1839 REMARK 2 REMARK 2 RESOLUTION. 2.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 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) (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 1726 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) : 0.183 REMARK 3 FREE R VALUE : 0.315 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 86 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 : 555 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 0 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) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 0.800 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) : 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1DF5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-NOV-99. REMARK 100 THE DEPOSITION ID IS D_1000010032. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-MAR-98 REMARK 200 TEMPERATURE (KELVIN) : 130.0 REMARK 200 PH : 7.5 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 : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 1859 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 5.600 REMARK 200 R MERGE (I) : 0.04600 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 21.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.80 REMARK 200 R MERGE FOR SHELL (I) : 0.10200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.64 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: POTASSIUM SODIUM TARTRATE, SDS, SODIUM REMARK 280 HEPES, PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 21 3 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 5555 Z,X,Y REMARK 290 6555 Z+1/2,-X+1/2,-Y REMARK 290 7555 -Z+1/2,-X,Y+1/2 REMARK 290 8555 -Z,X+1/2,-Y+1/2 REMARK 290 9555 Y,Z,X REMARK 290 10555 -Y,Z+1/2,-X+1/2 REMARK 290 11555 Y+1/2,-Z+1/2,-X REMARK 290 12555 -Y+1/2,-Z,X+1/2 REMARK 290 13555 X+1/2,Y+1/2,Z+1/2 REMARK 290 14555 -X,-Y+1/2,Z REMARK 290 15555 -X+1/2,Y,-Z REMARK 290 16555 X,-Y,-Z+1/2 REMARK 290 17555 Z+1/2,X+1/2,Y+1/2 REMARK 290 18555 Z,-X,-Y+1/2 REMARK 290 19555 -Z,-X+1/2,Y REMARK 290 20555 -Z+1/2,X,-Y REMARK 290 21555 Y+1/2,Z+1/2,X+1/2 REMARK 290 22555 -Y+1/2,Z,-X REMARK 290 23555 Y,-Z,-X+1/2 REMARK 290 24555 -Y,-Z+1/2,X 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 36.38500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 36.38500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 36.38500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 36.38500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 36.38500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 36.38500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY2 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY1 6 0.000000 0.000000 1.000000 36.38500 REMARK 290 SMTRY2 6 -1.000000 0.000000 0.000000 36.38500 REMARK 290 SMTRY3 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 0.000000 -1.000000 36.38500 REMARK 290 SMTRY2 7 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 1.000000 0.000000 36.38500 REMARK 290 SMTRY1 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY2 8 1.000000 0.000000 0.000000 36.38500 REMARK 290 SMTRY3 8 0.000000 -1.000000 0.000000 36.38500 REMARK 290 SMTRY1 9 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 9 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY3 9 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 10 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 10 0.000000 0.000000 1.000000 36.38500 REMARK 290 SMTRY3 10 -1.000000 0.000000 0.000000 36.38500 REMARK 290 SMTRY1 11 0.000000 1.000000 0.000000 36.38500 REMARK 290 SMTRY2 11 0.000000 0.000000 -1.000000 36.38500 REMARK 290 SMTRY3 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 12 0.000000 -1.000000 0.000000 36.38500 REMARK 290 SMTRY2 12 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY3 12 1.000000 0.000000 0.000000 36.38500 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 36.38500 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 36.38500 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 36.38500 REMARK 290 SMTRY1 14 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 36.38500 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 15 -1.000000 0.000000 0.000000 36.38500 REMARK 290 SMTRY2 15 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 16 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 16 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 36.38500 REMARK 290 SMTRY1 17 0.000000 0.000000 1.000000 36.38500 REMARK 290 SMTRY2 17 1.000000 0.000000 0.000000 36.38500 REMARK 290 SMTRY3 17 0.000000 1.000000 0.000000 36.38500 REMARK 290 SMTRY1 18 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY2 18 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 18 0.000000 -1.000000 0.000000 36.38500 REMARK 290 SMTRY1 19 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY2 19 -1.000000 0.000000 0.000000 36.38500 REMARK 290 SMTRY3 19 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY1 20 0.000000 0.000000 -1.000000 36.38500 REMARK 290 SMTRY2 20 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 20 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY1 21 0.000000 1.000000 0.000000 36.38500 REMARK 290 SMTRY2 21 0.000000 0.000000 1.000000 36.38500 REMARK 290 SMTRY3 21 1.000000 0.000000 0.000000 36.38500 REMARK 290 SMTRY1 22 0.000000 -1.000000 0.000000 36.38500 REMARK 290 SMTRY2 22 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY3 22 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 23 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 23 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY3 23 -1.000000 0.000000 0.000000 36.38500 REMARK 290 SMTRY1 24 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 24 0.000000 0.000000 -1.000000 36.38500 REMARK 290 SMTRY3 24 1.000000 0.000000 0.000000 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A HOMOTRIMER. 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 6610 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10780 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -63.0 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 0.000000 1.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 -72.77000 REMARK 350 BIOMT3 2 0.000000 1.000000 0.000000 72.77000 REMARK 350 BIOMT1 3 0.000000 1.000000 0.000000 72.77000 REMARK 350 BIOMT2 3 0.000000 0.000000 1.000000 -72.77000 REMARK 350 BIOMT3 3 1.000000 0.000000 0.000000 0.00000 REMARK 400 REMARK 400 COMPOUND REMARK 400 IN THE STRUCTURE, SEQUENCE 1 - 34 IS FROM GP41 RESIDUES REMARK 400 546 - 579 (IN GP160 NUMBERING SYSTEM), 35 - 40 IS AN REMARK 400 ARTIFICIAL LINKER SGGRGG AND 41 - 68 IS GP41 RESIDUES REMARK 400 628 - 655. 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 3 108.64 65.83 REMARK 500 GLN A 66 -13.01 -178.56 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1DF4 RELATED DB: PDB DBREF 1DF5 A 1 34 UNP P04578 ENV_HV1H2 546 579 DBREF 1DF5 A 41 68 UNP P04578 ENV_HV1H2 628 655 SEQADV 1DF5 SER A 35 UNP P04578 SEE REMARK 999 SEQADV 1DF5 GLY A 36 UNP P04578 SEE REMARK 999 SEQADV 1DF5 GLY A 37 UNP P04578 SEE REMARK 999 SEQADV 1DF5 ARG A 38 UNP P04578 SEE REMARK 999 SEQADV 1DF5 GLY A 39 UNP P04578 SEE REMARK 999 SEQADV 1DF5 GLY A 40 UNP P04578 SEE REMARK 999 SEQRES 1 A 68 SER GLY ILE VAL GLN GLN GLN ASN ASN LEU LEU ARG ALA SEQRES 2 A 68 ILE GLU ALA GLN GLN HIS LEU LEU GLN LEU THR VAL TRP SEQRES 3 A 68 GLY ILE LYS GLN LEU GLN ALA ARG SER GLY GLY ARG GLY SEQRES 4 A 68 GLY TRP MET GLU TRP ASP ARG GLU ILE ASN ASN TYR THR SEQRES 5 A 68 SER LEU ILE HIS SER LEU ILE GLU GLU SER GLN ASN GLN SEQRES 6 A 68 GLN GLU LYS HELIX 1 1 VAL A 4 GLY A 37 1 34 HELIX 2 2 ARG A 38 GLY A 40 5 3 HELIX 3 3 TRP A 41 ASN A 64 1 24 CRYST1 72.770 72.770 72.770 90.00 90.00 90.00 I 21 3 24 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 0.013742 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013742 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013742 0.00000