HEADER VIRAL PROTEIN 19-SEP-06 2IEQ TITLE CORE STRUCTURE OF S2 FROM THE HUMAN CORONAVIRUS NL63 SPIKE TITLE 2 GLYCOPROTEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: SPIKE GLYCOPROTEIN; COMPND 3 CHAIN: A, B, C; COMPND 4 FRAGMENT: RESIDUES 981-1038, 1242-1283 CONNECTED BY 10-MER LINK; COMPND 5 SYNONYM: S GLYCOPROTEIN; PEPLOMER PROTEIN; E2; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HUMAN CORONAVIRUS; SOURCE 3 ORGANISM_TAXID: 277944; SOURCE 4 STRAIN: NL63; SOURCE 5 GENE: S; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: T7 EXPRESSION VECTOR; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PAE4 KEYWDS HUMAN CORONAVIRUS; MEMBRANE FUSION; S2; VIRUS ENTRY; SIX-HELIX KEYWDS 2 BUNDLE, VIRAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.LIU REVDAT 6 30-AUG-23 2IEQ 1 REMARK LINK REVDAT 5 18-OCT-17 2IEQ 1 REMARK REVDAT 4 26-JUL-17 2IEQ 1 SOURCE REMARK REVDAT 3 13-JUL-11 2IEQ 1 VERSN REVDAT 2 24-FEB-09 2IEQ 1 VERSN REVDAT 1 09-JAN-07 2IEQ 0 JRNL AUTH Q.ZHENG,Y.DENG,J.LIU,L.V.HOEK,B.BERKHOUT,M.LU JRNL TITL CORE STRUCTURE OF S2 FROM THE HUMAN CORONAVIRUS NL63 SPIKE JRNL TITL 2 GLYCOPROTEIN JRNL REF BIOCHEMISTRY V. 45 15205 2006 JRNL REFN ISSN 0006-2960 JRNL PMID 17176042 JRNL DOI 10.1021/BI061686W REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 51.57 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.6 REMARK 3 NUMBER OF REFLECTIONS : 25668 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 + TEST SET) : 0.199 REMARK 3 R VALUE (WORKING SET) : 0.196 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1292 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.75 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.79 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1740 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 92.21 REMARK 3 BIN R VALUE (WORKING SET) : 0.2550 REMARK 3 BIN FREE R VALUE SET COUNT : 94 REMARK 3 BIN FREE R VALUE : 0.3540 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2009 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 228 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.49 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.43000 REMARK 3 B22 (A**2) : 0.03000 REMARK 3 B33 (A**2) : 0.12000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.97000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.135 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.131 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.083 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.557 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.950 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.931 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2022 ; 0.020 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2748 ; 1.502 ; 1.944 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 259 ; 4.538 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 88 ;39.820 ;28.182 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 362 ;14.962 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 365 ; 0.121 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1438 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1055 ; 0.218 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1478 ; 0.299 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 159 ; 0.165 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 32 ; 0.223 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 16 ; 0.174 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1316 ; 1.145 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2131 ; 2.051 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 710 ; 3.480 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 617 ; 5.963 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2IEQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-SEP-06. REMARK 100 THE DEPOSITION ID IS D_1000039491. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-APR-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X4C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9795 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25668 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.747 REMARK 200 RESOLUTION RANGE LOW (A) : 51.570 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.6 REMARK 200 DATA REDUNDANCY : 3.200 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.10 REMARK 200 R MERGE FOR SHELL (I) : 0.36300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 1ZV8 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 400, SODIUM ACETATE, IMIDAZOLE, PH REMARK 280 5.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y+1/2,-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 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 25.84400 REMARK 290 SMTRY3 2 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A TRIMER OF DIMERS, I.E. SIX- REMARK 300 HELIX BUNDLE 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: 8470 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12080 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -108.0 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 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 LYS A 1 REMARK 465 LEU A 52 REMARK 465 ARG A 53 REMARK 465 HIS A 54 REMARK 465 ASN A 55 REMARK 465 PHE A 56 REMARK 465 GLN A 57 REMARK 465 SER A 58 REMARK 465 GLY A 59 REMARK 465 GLY A 60 REMARK 465 ARG A 61 REMARK 465 GLY A 62 REMARK 465 SER A 63 REMARK 465 GLY A 64 REMARK 465 ARG A 65 REMARK 465 GLY A 66 REMARK 465 GLY A 67 REMARK 465 ASN A 68 REMARK 465 VAL A 107 REMARK 465 ASP A 108 REMARK 465 LEU A 109 REMARK 465 ARG B 53 REMARK 465 HIS B 54 REMARK 465 ASN B 55 REMARK 465 PHE B 56 REMARK 465 GLN B 57 REMARK 465 SER B 58 REMARK 465 GLY B 59 REMARK 465 GLY B 60 REMARK 465 ARG B 61 REMARK 465 GLY B 62 REMARK 465 SER B 63 REMARK 465 GLY B 64 REMARK 465 ARG B 65 REMARK 465 GLY B 66 REMARK 465 GLY B 67 REMARK 465 ASN B 68 REMARK 465 TYR B 106 REMARK 465 VAL B 107 REMARK 465 ASP B 108 REMARK 465 LEU B 109 REMARK 465 ARG C 53 REMARK 465 HIS C 54 REMARK 465 ASN C 55 REMARK 465 PHE C 56 REMARK 465 GLN C 57 REMARK 465 SER C 58 REMARK 465 GLY C 59 REMARK 465 GLY C 60 REMARK 465 ARG C 61 REMARK 465 GLY C 62 REMARK 465 SER C 63 REMARK 465 GLY C 64 REMARK 465 ARG C 65 REMARK 465 GLY C 66 REMARK 465 GLY C 67 REMARK 465 ASN C 68 REMARK 465 LEU C 69 REMARK 465 TYR C 106 REMARK 465 VAL C 107 REMARK 465 ASP C 108 REMARK 465 LEU C 109 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 THR A 105 118.46 -33.09 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A1001 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 73 O REMARK 620 2 SER A 76 N 130.9 REMARK 620 3 GLU A 77 OE1 82.8 84.9 REMARK 620 4 HOH A1006 O 111.3 116.2 118.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA B1002 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A1029 O REMARK 620 2 ASN B 73 O 110.5 REMARK 620 3 ASN B 73 OD1 104.9 62.7 REMARK 620 4 SER B 76 N 117.8 130.6 94.7 REMARK 620 5 GLU B 77 OE1 117.0 79.5 131.3 87.3 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA C1003 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B1042 O REMARK 620 2 ASN C 73 O 109.5 REMARK 620 3 GLU C 77 OE1 120.1 88.0 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 1001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 1001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA B 1002 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA C 1003 DBREF 2IEQ A 1 57 UNP Q6Q1S2 SPIKE_CVHNL 981 1037 DBREF 2IEQ B 1 57 UNP Q6Q1S2 SPIKE_CVHNL 981 1037 DBREF 2IEQ C 1 57 UNP Q6Q1S2 SPIKE_CVHNL 981 1037 DBREF 2IEQ A 68 109 UNP Q6Q1S2 SPIKE_CVHNL 1242 1283 DBREF 2IEQ B 68 109 UNP Q6Q1S2 SPIKE_CVHNL 1242 1283 DBREF 2IEQ C 68 109 UNP Q6Q1S2 SPIKE_CVHNL 1242 1283 SEQRES 1 A 109 LYS ALA ILE ASN ASN ILE VAL ALA SER PHE SER SER VAL SEQRES 2 A 109 ASN ASP ALA ILE THR GLN THR ALA GLU ALA ILE HIS THR SEQRES 3 A 109 VAL THR ILE ALA LEU ASN LYS ILE GLN ASP VAL VAL ASN SEQRES 4 A 109 GLN GLN GLY SER ALA LEU ASN HIS LEU THR SER GLN LEU SEQRES 5 A 109 ARG HIS ASN PHE GLN SER GLY GLY ARG GLY SER GLY ARG SEQRES 6 A 109 GLY GLY ASN LEU THR TYR LEU ASN LEU SER SER GLU LEU SEQRES 7 A 109 LYS GLN LEU GLU ALA LYS THR ALA SER LEU PHE GLN THR SEQRES 8 A 109 THR VAL GLU LEU GLN GLY LEU ILE ASP GLN ILE ASN SER SEQRES 9 A 109 THR TYR VAL ASP LEU SEQRES 1 B 109 LYS ALA ILE ASN ASN ILE VAL ALA SER PHE SER SER VAL SEQRES 2 B 109 ASN ASP ALA ILE THR GLN THR ALA GLU ALA ILE HIS THR SEQRES 3 B 109 VAL THR ILE ALA LEU ASN LYS ILE GLN ASP VAL VAL ASN SEQRES 4 B 109 GLN GLN GLY SER ALA LEU ASN HIS LEU THR SER GLN LEU SEQRES 5 B 109 ARG HIS ASN PHE GLN SER GLY GLY ARG GLY SER GLY ARG SEQRES 6 B 109 GLY GLY ASN LEU THR TYR LEU ASN LEU SER SER GLU LEU SEQRES 7 B 109 LYS GLN LEU GLU ALA LYS THR ALA SER LEU PHE GLN THR SEQRES 8 B 109 THR VAL GLU LEU GLN GLY LEU ILE ASP GLN ILE ASN SER SEQRES 9 B 109 THR TYR VAL ASP LEU SEQRES 1 C 109 LYS ALA ILE ASN ASN ILE VAL ALA SER PHE SER SER VAL SEQRES 2 C 109 ASN ASP ALA ILE THR GLN THR ALA GLU ALA ILE HIS THR SEQRES 3 C 109 VAL THR ILE ALA LEU ASN LYS ILE GLN ASP VAL VAL ASN SEQRES 4 C 109 GLN GLN GLY SER ALA LEU ASN HIS LEU THR SER GLN LEU SEQRES 5 C 109 ARG HIS ASN PHE GLN SER GLY GLY ARG GLY SER GLY ARG SEQRES 6 C 109 GLY GLY ASN LEU THR TYR LEU ASN LEU SER SER GLU LEU SEQRES 7 C 109 LYS GLN LEU GLU ALA LYS THR ALA SER LEU PHE GLN THR SEQRES 8 C 109 THR VAL GLU LEU GLN GLY LEU ILE ASP GLN ILE ASN SER SEQRES 9 C 109 THR TYR VAL ASP LEU HET NA A1001 1 HET ACT B1001 4 HET NA B1002 1 HET NA C1003 1 HETNAM NA SODIUM ION HETNAM ACT ACETATE ION FORMUL 4 NA 3(NA 1+) FORMUL 5 ACT C2 H3 O2 1- FORMUL 8 HOH *228(H2 O) HELIX 1 1 ALA A 2 SER A 50 1 49 HELIX 2 2 LEU A 74 THR A 105 1 32 HELIX 3 3 LYS B 1 LEU B 52 1 52 HELIX 4 4 LEU B 74 THR B 105 1 32 HELIX 5 5 LYS C 1 LEU C 52 1 52 HELIX 6 6 LEU C 74 THR C 105 1 32 LINK O ASN A 73 NA NA A1001 1555 1555 2.97 LINK N SER A 76 NA NA A1001 1555 1555 3.00 LINK OE1 GLU A 77 NA NA A1001 1555 1555 2.63 LINK NA NA A1001 O HOH A1006 1555 1555 2.93 LINK O HOH A1029 NA NA B1002 2755 1555 2.84 LINK O ASN B 73 NA NA B1002 1555 1555 2.88 LINK OD1 ASN B 73 NA NA B1002 1555 1555 2.99 LINK N SER B 76 NA NA B1002 1555 1555 2.99 LINK OE1 GLU B 77 NA NA B1002 1555 1555 2.60 LINK O HOH B1042 NA NA C1003 1555 1555 2.86 LINK O ASN C 73 NA NA C1003 1555 1555 2.73 LINK OE1 GLU C 77 NA NA C1003 1555 1555 2.72 SITE 1 AC1 4 PHE B 89 VAL B 93 HOH B1033 HOH B1050 SITE 1 AC2 6 ASN A 73 LEU A 74 SER A 75 SER A 76 SITE 2 AC2 6 GLU A 77 HOH A1006 SITE 1 AC3 6 LYS A 33 ASN B 73 LEU B 74 SER B 75 SITE 2 AC3 6 SER B 76 GLU B 77 SITE 1 AC4 7 LYS B 33 HOH B1042 ASN C 73 LEU C 74 SITE 2 AC4 7 SER C 75 SER C 76 GLU C 77 CRYST1 50.020 51.688 54.080 90.00 107.56 90.00 P 1 21 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 0.019992 0.000000 0.006326 0.00000 SCALE2 0.000000 0.019347 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019395 0.00000