HEADER VIRAL PROTEIN 23-MAY-00 1F23 TITLE CONTRIBUTION OF A BURIED HYDROGEN BOND TO HIV-1 ENVELOPE GLYCOPROTEIN TITLE 2 STRUCTURE AND FUNCTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSMEMBRANE GLYCOPROTEIN; COMPND 3 CHAIN: A, B, C, D, E, F; COMPND 4 FRAGMENT: ECTODOMAIN; COMPND 5 SYNONYM: GP41; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: 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 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PN36(L)C34 KEYWDS HIV-1 ENVELOPE PROTEIN, GP41, MEMBRANE FUSION, HIV-1 ENTRY, VIRAL KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.LIU,W.SHU,M.FAGAN,J.H.NUNBERG,M.LU REVDAT 6 07-FEB-24 1F23 1 REMARK REVDAT 5 03-NOV-21 1F23 1 SEQADV REVDAT 4 16-AUG-17 1F23 1 SOURCE REMARK REVDAT 3 24-FEB-09 1F23 1 VERSN REVDAT 2 01-APR-03 1F23 1 JRNL REVDAT 1 20-JUN-01 1F23 0 JRNL AUTH J.LIU,W.SHU,M.B.FAGAN,J.H.NUNBERG,M.LU JRNL TITL STRUCTURAL AND FUNCTIONAL ANALYSIS OF THE HIV GP41 CORE JRNL TITL 2 CONTAINING AN ILE573 TO THR SUBSTITUTION: IMPLICATIONS FOR JRNL TITL 3 MEMBRANE FUSION. JRNL REF BIOCHEMISTRY V. 40 2797 2001 JRNL REFN ISSN 0006-2960 JRNL PMID 11258890 JRNL DOI 10.1021/BI0024759 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.5 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 730014.410 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.1 REMARK 3 NUMBER OF REFLECTIONS : 14667 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) : 0.191 REMARK 3 FREE R VALUE : 0.270 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1493 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.44 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 81.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1899 REMARK 3 BIN R VALUE (WORKING SET) : 0.2390 REMARK 3 BIN FREE R VALUE : 0.3500 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 229 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.023 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3490 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 271 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.33000 REMARK 3 B22 (A**2) : 4.67000 REMARK 3 B33 (A**2) : -5.00000 REMARK 3 B12 (A**2) : 1.72000 REMARK 3 B13 (A**2) : 1.71000 REMARK 3 B23 (A**2) : 2.26000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.24 REMARK 3 ESD FROM SIGMAA (A) : 0.25 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.37 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.41 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 0.900 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 15.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.610 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.330 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.140 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.070 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.100 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.29 REMARK 3 BSOL : 34.82 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 : PROTEIN_REP.PA REMARK 3 PARAMETER FILE 2 : WATER_REP.PARA REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1F23 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-JUN-00. REMARK 100 THE DEPOSITION ID IS D_1000011149. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-SEP-99 REMARK 200 TEMPERATURE (KELVIN) : 95 REMARK 200 PH : 4.6 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 : 14667 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.1 REMARK 200 DATA REDUNDANCY : 2.000 REMARK 200 R MERGE (I) : 0.07600 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 7.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.8 REMARK 200 DATA REDUNDANCY IN SHELL : 1.90 REMARK 200 R MERGE FOR SHELL (I) : 0.28700 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 (%): NULL REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CITRATE, PEG 4000, PROPANOL, PH REMARK 280 4.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6780 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10600 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -61.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 7140 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10770 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -60.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: D, E, F 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 ILE A 35 REMARK 465 LEU A 76 REMARK 465 LEU B 36 REMARK 465 SER B 37 REMARK 465 GLY B 38 REMARK 465 GLY B 39 REMARK 465 LEU C 36 REMARK 465 SER C 37 REMARK 465 GLY C 38 REMARK 465 GLY C 39 REMARK 465 LEU C 76 REMARK 465 LEU D 76 REMARK 465 LEU E 76 REMARK 465 SER F 37 REMARK 465 GLY F 38 REMARK 465 GLY F 39 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 ARG A 34 CD NE CZ NH1 NH2 REMARK 470 LEU A 36 CB CG CD1 CD2 REMARK 470 SER A 37 CB OG REMARK 470 ARG A 40 CD NE CZ NH1 NH2 REMARK 470 MET A 44 CG SD CE REMARK 470 GLN B 5 CG CD OE1 NE2 REMARK 470 ARG B 34 CG CD NE CZ NH1 NH2 REMARK 470 ILE B 35 CG1 CG2 CD1 REMARK 470 ARG B 40 CD NE CZ NH1 NH2 REMARK 470 MET B 44 SD CE REMARK 470 ARG B 48 CD NE CZ NH1 NH2 REMARK 470 LYS B 70 CG CD CE NZ REMARK 470 GLN C 32 CG CD OE1 NE2 REMARK 470 ARG C 34 CG CD NE CZ NH1 NH2 REMARK 470 ARG C 40 CD NE CZ NH1 NH2 REMARK 470 HIS C 58 CG ND1 CD2 CE1 NE2 REMARK 470 ASN C 66 CG OD1 ND2 REMARK 470 GLN C 73 CG CD OE1 NE2 REMARK 470 GLU C 74 CD OE1 OE2 REMARK 470 HIS D 58 CG ND1 CD2 CE1 NE2 REMARK 470 GLU D 69 CG CD OE1 OE2 REMARK 470 GLN D 73 CG CD OE1 NE2 REMARK 470 ARG E 40 CD NE CZ NH1 NH2 REMARK 470 ARG E 48 CG CD NE CZ NH1 NH2 REMARK 470 GLU E 69 CD OE1 OE2 REMARK 470 LYS E 70 CG CD CE NZ REMARK 470 GLN E 73 CG CD OE1 NE2 REMARK 470 GLN F 32 CD OE1 NE2 REMARK 470 ARG F 34 CD NE CZ NH1 NH2 REMARK 470 ILE F 35 CG1 CG2 CD1 REMARK 470 LYS F 70 CG CD CE NZ REMARK 470 GLN F 73 CD OE1 NE2 REMARK 470 GLU F 74 CD OE1 OE2 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 ALA A 33 -80.74 -61.84 REMARK 500 SER A 37 116.77 69.10 REMARK 500 ARG A 40 94.12 70.24 REMARK 500 ARG B 34 -35.78 -131.52 REMARK 500 ILE D 35 -78.21 -56.13 REMARK 500 SER D 37 48.23 -86.93 REMARK 500 LEU E 36 87.31 23.07 REMARK 500 REMARK 500 REMARK: NULL DBREF 1F23 A 1 36 UNP Q89797 Q89797_9HIV1 546 581 DBREF 1F23 A 43 76 UNP Q89797 Q89797_9HIV1 628 661 DBREF 1F23 B 1 36 UNP Q89797 Q89797_9HIV1 546 581 DBREF 1F23 B 43 76 UNP Q89797 Q89797_9HIV1 628 661 DBREF 1F23 C 1 36 UNP Q89797 Q89797_9HIV1 546 581 DBREF 1F23 C 43 76 UNP Q89797 Q89797_9HIV1 628 661 DBREF 1F23 D 1 36 UNP Q89797 Q89797_9HIV1 546 581 DBREF 1F23 D 43 76 UNP Q89797 Q89797_9HIV1 628 661 DBREF 1F23 E 1 36 UNP Q89797 Q89797_9HIV1 546 581 DBREF 1F23 E 43 76 UNP Q89797 Q89797_9HIV1 628 661 DBREF 1F23 F 1 36 UNP Q89797 Q89797_9HIV1 546 581 DBREF 1F23 F 43 76 UNP Q89797 Q89797_9HIV1 628 661 SEQADV 1F23 THR A 28 UNP Q89797 ILE 573 ENGINEERED MUTATION SEQADV 1F23 SER A 37 UNP Q89797 INSERTION SEQADV 1F23 GLY A 38 UNP Q89797 INSERTION SEQADV 1F23 GLY A 39 UNP Q89797 INSERTION SEQADV 1F23 ARG A 40 UNP Q89797 INSERTION SEQADV 1F23 GLY A 41 UNP Q89797 INSERTION SEQADV 1F23 GLY A 42 UNP Q89797 INSERTION SEQADV 1F23 THR B 28 UNP Q89797 ILE 573 ENGINEERED MUTATION SEQADV 1F23 SER B 37 UNP Q89797 INSERTION SEQADV 1F23 GLY B 38 UNP Q89797 INSERTION SEQADV 1F23 GLY B 39 UNP Q89797 INSERTION SEQADV 1F23 ARG B 40 UNP Q89797 INSERTION SEQADV 1F23 GLY B 41 UNP Q89797 INSERTION SEQADV 1F23 GLY B 42 UNP Q89797 INSERTION SEQADV 1F23 THR C 28 UNP Q89797 ILE 573 ENGINEERED MUTATION SEQADV 1F23 SER C 37 UNP Q89797 INSERTION SEQADV 1F23 GLY C 38 UNP Q89797 INSERTION SEQADV 1F23 GLY C 39 UNP Q89797 INSERTION SEQADV 1F23 ARG C 40 UNP Q89797 INSERTION SEQADV 1F23 GLY C 41 UNP Q89797 INSERTION SEQADV 1F23 GLY C 42 UNP Q89797 INSERTION SEQADV 1F23 THR D 28 UNP Q89797 ILE 573 ENGINEERED MUTATION SEQADV 1F23 SER D 37 UNP Q89797 INSERTION SEQADV 1F23 GLY D 38 UNP Q89797 INSERTION SEQADV 1F23 GLY D 39 UNP Q89797 INSERTION SEQADV 1F23 ARG D 40 UNP Q89797 INSERTION SEQADV 1F23 GLY D 41 UNP Q89797 INSERTION SEQADV 1F23 GLY D 42 UNP Q89797 INSERTION SEQADV 1F23 THR E 28 UNP Q89797 ILE 573 ENGINEERED MUTATION SEQADV 1F23 SER E 37 UNP Q89797 INSERTION SEQADV 1F23 GLY E 38 UNP Q89797 INSERTION SEQADV 1F23 GLY E 39 UNP Q89797 INSERTION SEQADV 1F23 ARG E 40 UNP Q89797 INSERTION SEQADV 1F23 GLY E 41 UNP Q89797 INSERTION SEQADV 1F23 GLY E 42 UNP Q89797 INSERTION SEQADV 1F23 THR F 28 UNP Q89797 ILE 573 ENGINEERED MUTATION SEQADV 1F23 SER F 37 UNP Q89797 INSERTION SEQADV 1F23 GLY F 38 UNP Q89797 INSERTION SEQADV 1F23 GLY F 39 UNP Q89797 INSERTION SEQADV 1F23 ARG F 40 UNP Q89797 INSERTION SEQADV 1F23 GLY F 41 UNP Q89797 INSERTION SEQADV 1F23 GLY F 42 UNP Q89797 INSERTION SEQRES 1 A 76 SER GLY ILE VAL GLN GLN GLN ASN ASN LEU LEU ARG ALA SEQRES 2 A 76 ILE GLU ALA GLN GLN HIS LEU LEU GLN LEU THR VAL TRP SEQRES 3 A 76 GLY THR LYS GLN LEU GLN ALA ARG ILE LEU SER GLY GLY SEQRES 4 A 76 ARG GLY GLY TRP MET GLU TRP ASP ARG GLU ILE ASN ASN SEQRES 5 A 76 TYR THR SER LEU ILE HIS SER LEU ILE GLU GLU SER GLN SEQRES 6 A 76 ASN GLN GLN GLU LYS ASN GLU GLN GLU LEU LEU SEQRES 1 B 76 SER GLY ILE VAL GLN GLN GLN ASN ASN LEU LEU ARG ALA SEQRES 2 B 76 ILE GLU ALA GLN GLN HIS LEU LEU GLN LEU THR VAL TRP SEQRES 3 B 76 GLY THR LYS GLN LEU GLN ALA ARG ILE LEU SER GLY GLY SEQRES 4 B 76 ARG GLY GLY TRP MET GLU TRP ASP ARG GLU ILE ASN ASN SEQRES 5 B 76 TYR THR SER LEU ILE HIS SER LEU ILE GLU GLU SER GLN SEQRES 6 B 76 ASN GLN GLN GLU LYS ASN GLU GLN GLU LEU LEU SEQRES 1 C 76 SER GLY ILE VAL GLN GLN GLN ASN ASN LEU LEU ARG ALA SEQRES 2 C 76 ILE GLU ALA GLN GLN HIS LEU LEU GLN LEU THR VAL TRP SEQRES 3 C 76 GLY THR LYS GLN LEU GLN ALA ARG ILE LEU SER GLY GLY SEQRES 4 C 76 ARG GLY GLY TRP MET GLU TRP ASP ARG GLU ILE ASN ASN SEQRES 5 C 76 TYR THR SER LEU ILE HIS SER LEU ILE GLU GLU SER GLN SEQRES 6 C 76 ASN GLN GLN GLU LYS ASN GLU GLN GLU LEU LEU SEQRES 1 D 76 SER GLY ILE VAL GLN GLN GLN ASN ASN LEU LEU ARG ALA SEQRES 2 D 76 ILE GLU ALA GLN GLN HIS LEU LEU GLN LEU THR VAL TRP SEQRES 3 D 76 GLY THR LYS GLN LEU GLN ALA ARG ILE LEU SER GLY GLY SEQRES 4 D 76 ARG GLY GLY TRP MET GLU TRP ASP ARG GLU ILE ASN ASN SEQRES 5 D 76 TYR THR SER LEU ILE HIS SER LEU ILE GLU GLU SER GLN SEQRES 6 D 76 ASN GLN GLN GLU LYS ASN GLU GLN GLU LEU LEU SEQRES 1 E 76 SER GLY ILE VAL GLN GLN GLN ASN ASN LEU LEU ARG ALA SEQRES 2 E 76 ILE GLU ALA GLN GLN HIS LEU LEU GLN LEU THR VAL TRP SEQRES 3 E 76 GLY THR LYS GLN LEU GLN ALA ARG ILE LEU SER GLY GLY SEQRES 4 E 76 ARG GLY GLY TRP MET GLU TRP ASP ARG GLU ILE ASN ASN SEQRES 5 E 76 TYR THR SER LEU ILE HIS SER LEU ILE GLU GLU SER GLN SEQRES 6 E 76 ASN GLN GLN GLU LYS ASN GLU GLN GLU LEU LEU SEQRES 1 F 76 SER GLY ILE VAL GLN GLN GLN ASN ASN LEU LEU ARG ALA SEQRES 2 F 76 ILE GLU ALA GLN GLN HIS LEU LEU GLN LEU THR VAL TRP SEQRES 3 F 76 GLY THR LYS GLN LEU GLN ALA ARG ILE LEU SER GLY GLY SEQRES 4 F 76 ARG GLY GLY TRP MET GLU TRP ASP ARG GLU ILE ASN ASN SEQRES 5 F 76 TYR THR SER LEU ILE HIS SER LEU ILE GLU GLU SER GLN SEQRES 6 F 76 ASN GLN GLN GLU LYS ASN GLU GLN GLU LEU LEU FORMUL 7 HOH *271(H2 O) HELIX 1 1 SER A 1 ARG A 34 1 34 HELIX 2 2 TRP A 43 LEU A 75 1 33 HELIX 3 3 SER B 1 ALA B 33 1 33 HELIX 4 4 GLY B 42 GLU B 74 1 33 HELIX 5 5 SER C 1 ARG C 34 1 34 HELIX 6 6 GLY C 42 GLN C 73 1 32 HELIX 7 7 SER D 1 LEU D 36 1 36 HELIX 8 8 ARG D 40 LEU D 75 1 36 HELIX 9 9 SER E 1 LEU E 36 1 36 HELIX 10 10 GLY E 39 GLN E 73 1 35 HELIX 11 11 SER F 1 ILE F 35 1 35 HELIX 12 12 GLY F 42 GLU F 74 1 33 CRYST1 38.920 41.870 55.980 90.59 88.93 96.28 P 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 0.025694 0.002828 -0.000456 0.00000 SCALE2 0.000000 0.024028 0.000200 0.00000 SCALE3 0.000000 0.000000 0.017867 0.00000