HEADER VIRAL PROTEIN 13-JUL-00 1FAV TITLE THE STRUCTURE OF AN HIV-1 SPECIFIC CELL ENTRY INHIBITOR IN COMPLEX TITLE 2 WITH THE HIV-1 GP41 TRIMERIC CORE COMPND MOL_ID: 1; COMPND 2 MOLECULE: HIV-1 ENVELOPE PROTEIN CHIMERA; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES; COMPND 6 OTHER_DETAILS: CHIMERA CONSISTS OF A FRAGMENT OF GCN4 ZIPPER CLONED COMPND 7 N-TERMINAL TO A FRAGMENT OF GP41; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: PROTEIN (TRANSMEMBRANE GLYCOPROTEIN); COMPND 10 CHAIN: C; COMPND 11 FRAGMENT: OUTER PEPTIDE OF GP41 OF HIV-1; COMPND 12 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS 1, SACCHAROMYCES SOURCE 3 CEREVISIAE (STRAIN ATCC 204508 / S288C); SOURCE 4 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 5 ORGANISM_TAXID: 11676, 559292; SOURCE 6 GENE: GCN4,AAS3,ARG9,YEL009C; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PRSET; SOURCE 10 MOL_ID: 2; SOURCE 11 SYNTHETIC: YES; SOURCE 12 OTHER_DETAILS: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED. THE SEQUENCE SOURCE 13 OF THE PEPTIDE IS NATURALLY FOUND IN HIV-1. KEYWDS HIV-1, GP41, INHIBITOR, VIRAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR G.ZHOU,M.FERRER,R.CHOPRA,T.STRASSMAIER,W.WEISSENHORN,J.J.SKEHEL, AUTHOR 2 D.OPRIAN,S.L.SCHREIBER,S.C.HARRISON,D.C.WILEY REVDAT 9 13-NOV-24 1FAV 1 REMARK REVDAT 8 15-NOV-23 1FAV 1 LINK ATOM REVDAT 7 03-NOV-21 1FAV 1 REMARK SEQADV LINK REVDAT 6 09-AUG-17 1FAV 1 SOURCE REMARK REVDAT 5 13-JUL-11 1FAV 1 VERSN REVDAT 4 24-FEB-09 1FAV 1 VERSN REVDAT 3 20-DEC-00 1FAV 1 JRNL REVDAT 2 30-AUG-00 1FAV 3 ATOM REMARK REVDAT 1 23-AUG-00 1FAV 0 JRNL AUTH G.ZHOU,M.FERRER,R.CHOPRA,T.M.KAPOOR,T.STRASSMAIER, JRNL AUTH 2 W.WEISSENHORN,J.J.SKEHEL,D.OPRIAN,S.L.SCHREIBER, JRNL AUTH 3 S.C.HARRISON,D.C.WILEY JRNL TITL THE STRUCTURE OF AN HIV-1 SPECIFIC CELL ENTRY INHIBITOR IN JRNL TITL 2 COMPLEX WITH THE HIV-1 GP41 TRIMERIC CORE. JRNL REF BIOORG.MED.CHEM. V. 8 2219 2000 JRNL REFN ISSN 0968-0896 JRNL PMID 11026535 JRNL DOI 10.1016/S0968-0896(00)00155-3 REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.9 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) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 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) (%) : 88.0 REMARK 3 NUMBER OF REFLECTIONS : 2574 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) : 0.240 REMARK 3 FREE R VALUE : 0.295 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 398 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 : 888 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.600 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 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: REMARK 3 RESIDUE 125 CHAIN C WAS MODELLED BASED ON RESIDUES 124 REMARK 3 AND 126. THE OCCUPANCY OF THIS RESIDUE IS 0.00. REMARK 4 REMARK 4 1FAV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-AUG-00. REMARK 100 THE DEPOSITION ID IS D_1000011442. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-SEP-98 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.9 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) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL 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 : 2574 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 88.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.07200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 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 (%): 46.29 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25MM PIPES, 0.25M MGAC, 2.5% REMARK 280 ISOPROPANOL, 10MM HEPES, 37.5MM NACL, PH 6.9, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 298.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 3 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 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 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 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 17320 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16880 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -109.0 KCAL/MOL 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 BIOMT1 2 -0.500000 -0.866025 0.000000 35.81900 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 17.90950 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 31.02016 REMARK 350 BIOMT3 3 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 GLN A 1 REMARK 465 ASP C 153 REMARK 465 LYS C 154 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 3 CB CG CD OE1 OE2 REMARK 470 GLU A 7 CB CG CD OE1 OE2 REMARK 470 ARG A 22 CG CD NE CZ NH1 NH2 REMARK 470 ASN C 125 CB CG OD1 ND2 REMARK 470 LEU C 150 CG CD1 CD2 REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 ASN C 125 REMARK 475 ASN C 126 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 3 -90.83 -62.95 REMARK 500 ALA A 30 20.45 -73.95 REMARK 500 ASN C 125 127.78 -36.18 REMARK 500 ASN C 125 127.78 -18.81 REMARK 500 ASN C 126 -95.73 -97.28 REMARK 500 GLU C 151 49.37 -73.04 REMARK 500 REMARK 500 REMARK: NULL DBREF 1FAV A 1 29 UNP P03069 GCN4_YEAST 252 280 DBREF 1FAV A 30 79 UNP P03377 ENV_HV1BR 546 595 DBREF 1FAV C 125 154 UNP P03377 ENV_HV1BR 641 670 SEQADV 1FAV ILE A 2 UNP P03069 LEU 253 ENGINEERED MUTATION SEQADV 1FAV ILE A 6 UNP P03069 VAL 257 ENGINEERED MUTATION SEQADV 1FAV ILE A 9 UNP P03069 LEU 260 ENGINEERED MUTATION SEQADV 1FAV ILE A 13 UNP P03069 ASN 264 ENGINEERED MUTATION SEQADV 1FAV ILE A 16 UNP P03069 LEU 267 ENGINEERED MUTATION SEQADV 1FAV ILE A 20 UNP P03069 VAL 271 ENGINEERED MUTATION SEQADV 1FAV ILE A 23 UNP P03069 LEU 274 ENGINEERED MUTATION SEQADV 1FAV ILE A 27 UNP P03069 VAL 278 ENGINEERED MUTATION SEQADV 1FAV 3PA C 122 UNP P03377 CONFLICT SEQADV 1FAV GGL C 123 UNP P03377 CONFLICT SEQADV 1FAV 4BA C 124 UNP P03377 CONFLICT SEQRES 1 A 79 GLN ILE GLU ASP LYS ILE GLU GLU ILE LEU SER LYS ILE SEQRES 2 A 79 TYR HIS ILE GLU ASN GLU ILE ALA ARG ILE LYS LYS LEU SEQRES 3 A 79 ILE GLY GLU ALA ARG GLN LEU LEU SER GLY ILE VAL GLN SEQRES 4 A 79 GLN GLN ASN ASN LEU LEU ARG ALA ILE GLU ALA GLN GLN SEQRES 5 A 79 HIS LEU LEU GLN LEU THR VAL TRP GLY ILE LYS GLN LEU SEQRES 6 A 79 GLN ALA ARG ILE LEU ALA VAL GLU ARG TYR LEU LYS ASP SEQRES 7 A 79 GLN SEQRES 1 C 33 3PA GGL 4BA ASN ASN TYR THR SER LEU ILE HIS SER LEU SEQRES 2 C 33 ILE GLU GLU SER GLN ASN GLN GLN GLU LYS ASN GLU GLN SEQRES 3 C 33 GLU LEU LEU GLU LEU ASP LYS HET 3PA C 122 18 HET GGL C 123 18 HET 4BA C 124 30 HETNAM 3PA 3-CYCLOPENTYL-PROPIONIC ACID HETNAM GGL GAMMA-L-GLUTAMIC ACID HETNAM 4BA 4-[(2-CARBOXY-ETHYLAMINO)-METHYL]-BENZOIC ACID HETSYN GGL L-GLUTAMIC ACID FORMUL 2 3PA C8 H14 O2 FORMUL 2 GGL C5 H9 N O4 FORMUL 2 4BA C11 H13 N O4 HELIX 1 1 ASP A 4 GLN A 79 1 76 HELIX 2 2 ASN C 126 GLU C 151 1 26 LINK C8AA3PA C 122 N AGGL C 123 1555 1555 1.35 LINK C8AB3PA C 122 N BGGL C 123 1555 1555 1.34 LINK CD AGGL C 123 N A4BA C 124 1555 1555 1.33 LINK CD BGGL C 123 N B4BA C 124 1555 1555 1.30 LINK C B4BA C 124 N ASN C 125 1555 1555 1.34 LINK C A4BA C 124 N ASN C 125 1555 1555 1.32 CRYST1 35.819 35.819 164.691 90.00 90.00 120.00 P 3 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 0.027918 0.016119 0.000000 0.00000 SCALE2 0.000000 0.032237 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006072 0.00000