PDB Short entry for 1ENV HEADER VIRAL PROTEIN 27-JUN-97 1ENV TITLE ATOMIC STRUCTURE OF THE ECTODOMAIN FROM HIV-1 GP41 COMPND MOL_ID: 1; COMPND 2 MOLECULE: HIV-1 ENVELOPE PROTEIN CHIMERA CONSISTING OF A FRAGMENT OF COMPND 3 GCN4 ZIPPER CLONED N-TERMINAL TO TWO FRAGMENTS OF GP41; COMPND 4 CHAIN: A; COMPND 5 FRAGMENT: GCN4 IS RESIDUES 1 - 29, GP41 IS RESIDUES 30 - 154; COMPND 6 SYNONYM: ENV POLYPROTEIN; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 FRAGMENT: 30 - 154; SOURCE 3 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE, HUMAN SOURCE 4 IMMUNODEFICIENCY VIRUS 1; SOURCE 5 ORGANISM_COMMON: BAKER'S YEAST, HIV-1; SOURCE 6 ORGANISM_TAXID: 4932, 11676; SOURCE 7 GENE: GCN4, AAS3, ARG9, YEL009C, ENV; SOURCE 8 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 9 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 10 EXPRESSION_SYSTEM_GENE: GP41 KEYWDS VIRAL FUSION, COAT PROTEIN, VIRAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR W.WEISSENHORN,A.DESSEN,S.C.HARRISON,J.J.SKEHEL,D.C.WILEY REVDAT 4 28-JUN-17 1ENV 1 SOURCE DBREF SEQADV REVDAT 3 13-JUL-11 1ENV 1 VERSN REVDAT 2 24-FEB-09 1ENV 1 VERSN REVDAT 1 19-NOV-97 1ENV 0 JRNL AUTH W.WEISSENHORN,A.DESSEN,S.C.HARRISON,J.J.SKEHEL,D.C.WILEY JRNL TITL ATOMIC STRUCTURE OF THE ECTODOMAIN FROM HIV-1 GP41. JRNL REF NATURE V. 387 426 1997 JRNL REFN ISSN 0028-0836 JRNL PMID 9163431 JRNL DOI 10.1038/387426A0 REMARK 2 REMARK 2 RESOLUTION. 2.60 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) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 90.5 REMARK 3 NUMBER OF REFLECTIONS : 6432 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) : 0.244 REMARK 3 FREE R VALUE : 0.277 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 674 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.000 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) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.72 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 695 REMARK 3 BIN R VALUE (WORKING SET) : 0.2440 REMARK 3 BIN FREE R VALUE : 0.2770 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 88 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.004 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 935 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 12 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 59.41 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 52.90 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.200 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 : PARAM19X.PRO REMARK 3 PARAMETER FILE 2 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19M.SOL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ENV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000173103. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : FEB-97 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 8.0 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 : ELLIOTT GX-13 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8130 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.5 REMARK 200 DATA REDUNDANCY : 7.450 REMARK 200 R MERGE (I) : 0.07100 REMARK 200 R SYM (I) : 0.07100 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.59 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.69 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.4 REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : 0.17900 REMARK 200 R SYM FOR SHELL (I) : 0.17900 REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 72.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20 MM HEPES PH 8.0 1.1 M AMMONIUM REMARK 280 SULFATE 12% ETHYLENE GLYCOL SPACE GROUP R32 IN HEXAGONAL SETTING REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-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 0.00000 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 0.00000 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 0.00000 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 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 26.17500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 15.11214 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 138.20000 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 26.17500 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 15.11214 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 138.20000 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 26.17500 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 15.11214 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 138.20000 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 26.17500 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 15.11214 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 138.20000 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 26.17500 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 15.11214 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 138.20000 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 26.17500 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 15.11214 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 138.20000 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 30.22429 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 276.40000 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 30.22429 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 276.40000 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 30.22429 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 276.40000 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 30.22429 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 276.40000 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 30.22429 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 276.40000 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 30.22429 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 276.40000 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 12370 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18890 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -124.0 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 -0.500000 -0.866025 0.000000 52.35000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 26.17500 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 45.33643 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 400 REMARK 400 COMPOUND REMARK 400 THIS STRUCTURE IS A CHIMERA. IT STARTS AT THE N-TERMINUS REMARK 400 WITH 31 RESIDUES FROM YEAST GCN4 FOLLOWED BY 50 RESIDUES REMARK 400 FROM GP41 AND 42 ADDITIONAL RESIDUES FROM GP41, FOR A REMARK 400 A TOTAL OF 123 RESIDUES AS SHOWN ON SEQRES. 115 OF THESE REMARK 400 RESIDUES WERE LOCATED AND ARE PRESENTED IN THIS ENTRY. REMARK 400 DBREF RECORDS BELOW CAN BE USED TO ASSOCIATE THE RESIDUES REMARK 400 PRESENT IN THIS ENTRY WITH THE CORRESPONDING SWISSPROT REMARK 400 ENTRY. 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 LYS A 0 REMARK 465 ASP A 111 REMARK 465 GLN A 112 REMARK 465 ASN A 113 REMARK 465 ASN A 114 REMARK 465 MET A 115 REMARK 465 THR A 116 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 GLU A 7 CG CD OE1 OE2 REMARK 470 TYR A 14 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ARG A 31 CG CD NE CZ NH1 NH2 REMARK 470 TYR A 75 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LYS A 77 CG CD CE NZ REMARK 470 LYS A 154 CG CD CE NZ 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 ARG A 74 NE - CZ - NH2 ANGL. DEV. = 3.7 DEGREES REMARK 500 MET A 118 CG - SD - CE ANGL. DEV. = 9.7 DEGREES REMARK 500 LYS A 154 N - CA - C ANGL. DEV. = -16.4 DEGREES REMARK 500 REMARK 500 REMARK: NULL DBREF 1ENV A 1 77 UNP P03377 ENV_HV1BR 517 593 DBREF 1ENV A 117 154 UNP P03377 ENV_HV1BR 633 670 SEQADV 1ENV ILE A 2 UNP P03377 VAL 518 ENGINEERED MUTATION SEQADV 1ENV ILE A 6 UNP P03377 ALA 522 ENGINEERED MUTATION SEQADV 1ENV ILE A 9 UNP P03377 LEU 525 ENGINEERED MUTATION SEQADV 1ENV ILE A 13 UNP P03377 GLY 529 ENGINEERED MUTATION SEQADV 1ENV ILE A 16 UNP P03377 GLY 532 ENGINEERED MUTATION SEQADV 1ENV ILE A 20 UNP P03377 GLY 536 ENGINEERED MUTATION SEQADV 1ENV ILE A 23 UNP P03377 SER 539 ENGINEERED MUTATION SEQADV 1ENV ILE A 27 UNP P03377 THR 543 ENGINEERED MUTATION SEQADV 1ENV ASP A 111 UNP P03377 LINKER SEQADV 1ENV GLN A 112 UNP P03377 LINKER SEQADV 1ENV ASN A 113 UNP P03377 LINKER SEQADV 1ENV ASN A 114 UNP P03377 LINKER SEQADV 1ENV MET A 115 UNP P03377 LINKER SEQADV 1ENV THR A 116 UNP P03377 LINKER SEQRES 1 A 123 MET LYS GLN ILE GLU ASP LYS ILE GLU GLU ILE LEU SER SEQRES 2 A 123 LYS ILE TYR HIS ILE GLU ASN GLU ILE ALA ARG ILE LYS SEQRES 3 A 123 LYS LEU ILE GLY GLU ALA ARG GLN LEU LEU SER GLY ILE SEQRES 4 A 123 VAL GLN GLN GLN ASN ASN LEU LEU ARG ALA ILE GLU ALA SEQRES 5 A 123 GLN GLN HIS LEU LEU GLN LEU THR VAL TRP GLY ILE LYS SEQRES 6 A 123 GLN LEU GLN ALA ARG ILE LEU ALA VAL GLU ARG TYR LEU SEQRES 7 A 123 LYS ASP GLN ASN ASN MET THR TRP MET GLU TRP ASP ARG SEQRES 8 A 123 GLU ILE ASN ASN TYR THR SER LEU ILE HIS SER LEU ILE SEQRES 9 A 123 GLU GLU SER GLN ASN GLN GLN GLU LYS ASN GLU GLN GLU SEQRES 10 A 123 LEU LEU GLU LEU ASP LYS FORMUL 2 HOH *12(H2 O) HELIX 1 1 GLN A 1 LYS A 77 1 77 HELIX 2 2 TRP A 117 LYS A 154 1 38 CRYST1 52.350 52.350 414.600 90.00 90.00 120.00 H 3 2 18 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 0.019102 0.011029 0.000000 0.00000 SCALE2 0.000000 0.022057 0.000000 0.00000 SCALE3 0.000000 0.000000 0.002412 0.00000