HEADER VIRAL PROTEIN 23-APR-22 7US9 TITLE CCOV-HUPN-2018 S IN THE PROXIMAL CONFORMATION (LOCAL REFINEMENT OF TITLE 2 DOMAIN 0) COMPND MOL_ID: 1; COMPND 2 MOLECULE: SPIKE GLYCOPROTEIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CCOV-HUPN-2018 SPIKE DOMAIN 0 IN PROXIMAL CONFORMATION; COMPND 5 SYNONYM: S GLYCOPROTEIN,E2,PEPLOMER PROTEIN; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: UNIDENTIFIED HUMAN CORONAVIRUS; SOURCE 3 ORGANISM_TAXID: 694448; SOURCE 4 EXPRESSION_SYSTEM: MAMMAL ENVIRONMENTAL SAMPLE; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 1092587 KEYWDS HUMAN CORONAVIRUS, CORONAVIRUS, CCOV-HUPN-2018, SPIKE GLYCOPROTEIN, KEYWDS 2 ALPHA-CORONAVIRUSES, STRUCTURAL GENOMICS, SEATTLE STRUCTURAL KEYWDS 3 GENOMICS CENTER FOR INFECTIOUS DISEASE, SSGCID, VIRAL PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR M.A.TORTORICI,D.VEESLER,SEATTLE STRUCTURAL GENOMICS CENTER FOR AUTHOR 2 INFECTIOUS DISEASE (SSGCID) REVDAT 2 30-OCT-24 7US9 1 REMARK REVDAT 1 24-AUG-22 7US9 0 JRNL AUTH M.A.TORTORICI,A.C.WALLS,A.JOSHI,Y.J.PARK,R.T.EGUIA, JRNL AUTH 2 M.C.MIRANDA,E.KEPL,A.DOSEY,T.STEVENS-AYERS,M.J.BOECKH, JRNL AUTH 3 A.TELENTI,A.LANZAVECCHIA,N.P.KING,D.CORTI,J.D.BLOOM, JRNL AUTH 4 D.VEESLER JRNL TITL STRUCTURE, RECEPTOR RECOGNITION, AND ANTIGENICITY OF THE JRNL TITL 2 HUMAN CORONAVIRUS CCOV-HUPN-2018 SPIKE GLYCOPROTEIN. JRNL REF CELL V. 185 2279 2022 JRNL REFN ISSN 1097-4172 JRNL PMID 35700730 JRNL DOI 10.1016/J.CELL.2022.05.019 REMARK 2 REMARK 2 RESOLUTION. 3.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : NULL REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 3.800 REMARK 3 NUMBER OF PARTICLES : 36141 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 7US9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-JUL-22. REMARK 100 THE DEPOSITION ID IS D_1000264801. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : CCOV-HUPN-2018 REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 8.00 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 800.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 1500.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 8000.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 MET A -15 REMARK 465 GLY A -14 REMARK 465 ILE A -13 REMARK 465 LEU A -12 REMARK 465 PRO A -11 REMARK 465 SER A -10 REMARK 465 PRO A -9 REMARK 465 GLY A -8 REMARK 465 MET A -7 REMARK 465 PRO A -6 REMARK 465 ALA A -5 REMARK 465 LEU A -4 REMARK 465 LEU A -3 REMARK 465 SER A -2 REMARK 465 LEU A -1 REMARK 465 VAL A 0 REMARK 465 SER A 1 REMARK 465 LEU A 2 REMARK 465 LEU A 3 REMARK 465 SER A 4 REMARK 465 VAL A 5 REMARK 465 LEU A 6 REMARK 465 LEU A 7 REMARK 465 MET A 8 REMARK 465 GLY A 9 REMARK 465 CYS A 10 REMARK 465 VAL A 11 REMARK 465 ALA A 12 REMARK 465 GLU A 13 REMARK 465 THR A 14 REMARK 465 GLY A 15 REMARK 465 THR A 16 REMARK 465 ASP A 17 REMARK 465 ASN A 18 REMARK 465 PHE A 19 REMARK 465 PRO A 20 REMARK 465 CYS A 21 REMARK 465 SER A 22 REMARK 465 LYS A 23 REMARK 465 PHE A 24 REMARK 465 LEU A 25 REMARK 465 ASN A 26 REMARK 465 ARG A 27 REMARK 465 THR A 28 REMARK 465 ILE A 29 REMARK 465 GLY A 30 REMARK 465 ASN A 31 REMARK 465 ARG A 46 REMARK 465 ILE A 69 REMARK 465 ARG A 70 REMARK 465 ASN A 71 REMARK 465 ASN A 72 REMARK 465 ASN A 73 REMARK 465 ASN A 74 REMARK 465 SER A 75 REMARK 465 TYR A 90 REMARK 465 ALA A 91 REMARK 465 THR A 92 REMARK 465 GLU A 93 REMARK 465 ASN A 94 REMARK 465 ILE A 95 REMARK 465 THR A 96 REMARK 465 SER A 97 REMARK 465 ASP A 98 REMARK 465 HIS A 99 REMARK 465 ARG A 100 REMARK 465 GLN A 101 REMARK 465 ARG A 102 REMARK 465 LEU A 103 REMARK 465 THR A 118 REMARK 465 THR A 119 REMARK 465 ARG A 120 REMARK 465 ASN A 121 REMARK 465 PHE A 122 REMARK 465 ASP A 123 REMARK 465 ALA A 124 REMARK 465 ALA A 125 REMARK 465 GLU A 126 REMARK 465 GLY A 127 REMARK 465 SER A 136 REMARK 465 PRO A 137 REMARK 465 PRO A 138 REMARK 465 THR A 139 REMARK 465 THR A 140 REMARK 465 THR A 141 REMARK 465 THR A 142 REMARK 465 GLY A 143 REMARK 465 ASN A 144 REMARK 465 LEU A 145 REMARK 465 ASP A 146 REMARK 465 CYS A 147 REMARK 465 ASN A 148 REMARK 465 TRP A 149 REMARK 465 GLY A 150 REMARK 465 SER A 151 REMARK 465 CYS A 162 REMARK 465 PRO A 163 REMARK 465 SER A 164 REMARK 465 ASN A 165 REMARK 465 SER A 166 REMARK 465 GLN A 167 REMARK 465 ALA A 168 REMARK 465 ASN A 169 REMARK 465 CYS A 170 REMARK 465 GLY A 171 REMARK 465 ASP A 209 REMARK 465 MET A 210 REMARK 465 ARG A 211 REMARK 465 ALA A 212 REMARK 465 THR A 213 REMARK 465 THR A 214 REMARK 465 LEU A 215 REMARK 465 GLN A 216 REMARK 465 THR A 217 REMARK 465 ALA A 218 REMARK 465 GLY A 219 REMARK 465 ALA A 220 REMARK 465 LEU A 221 REMARK 465 VAL A 222 REMARK 465 ASP A 223 REMARK 465 LEU A 224 REMARK 465 THR A 251 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 ASN A 34 CG OD1 ND2 REMARK 470 LEU A 35 CG CD1 CD2 REMARK 470 LEU A 41 CG CD1 CD2 REMARK 470 SER A 44 OG REMARK 470 ILE A 45 CG1 CG2 CD1 REMARK 470 LEU A 47 CG CD1 CD2 REMARK 470 SER A 51 OG REMARK 470 ASP A 52 CG OD1 OD2 REMARK 470 VAL A 53 CG1 CG2 REMARK 470 THR A 61 OG1 CG2 REMARK 470 GLN A 63 CG CD OE1 NE2 REMARK 470 ASN A 67 CG OD1 ND2 REMARK 470 CYS A 68 SG REMARK 470 VAL A 78 CG1 CG2 REMARK 470 GLU A 81 CG CD OE1 OE2 REMARK 470 ASN A 82 CG OD1 ND2 REMARK 470 LYS A 84 CG CD CE NZ REMARK 470 HIS A 104 CG ND1 CD2 CE1 NE2 REMARK 470 SER A 113 OG REMARK 470 THR A 115 OG1 CG2 REMARK 470 THR A 117 OG1 CG2 REMARK 470 ILE A 129 CG1 CG2 CD1 REMARK 470 ILE A 130 CG1 CG2 CD1 REMARK 470 CYS A 131 SG REMARK 470 ILE A 132 CG1 CG2 CD1 REMARK 470 LYS A 134 CG CD CE NZ REMARK 470 ASP A 152 CG OD1 OD2 REMARK 470 LEU A 155 CG CD1 CD2 REMARK 470 LYS A 158 CG CD CE NZ REMARK 470 ILE A 161 CG1 CG2 CD1 REMARK 470 ASN A 172 CG OD1 ND2 REMARK 470 THR A 181 OG1 CG2 REMARK 470 ASP A 182 CG OD1 OD2 REMARK 470 GLU A 183 CG CD OE1 OE2 REMARK 470 VAL A 184 CG1 CG2 REMARK 470 VAL A 185 CG1 CG2 REMARK 470 ILE A 192 CG1 CG2 CD1 REMARK 470 SER A 196 OG REMARK 470 GLU A 198 CG CD OE1 OE2 REMARK 470 THR A 204 OG1 CG2 REMARK 470 VAL A 205 CG1 CG2 REMARK 470 THR A 206 OG1 CG2 REMARK 470 LEU A 207 CG CD1 CD2 REMARK 470 ASN A 228 CG OD1 ND2 REMARK 470 VAL A 230 CG1 CG2 REMARK 470 ASP A 232 CG OD1 OD2 REMARK 470 VAL A 233 CG1 CG2 REMARK 470 THR A 234 OG1 CG2 REMARK 470 VAL A 238 CG1 CG2 REMARK 470 THR A 244 OG1 CG2 REMARK 470 SER A 248 OG REMARK 470 CYS A 250 SG REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 PRO A 111 CD PRO A 111 N -0.093 REMARK 500 REMARK 500 REMARK: NULL 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 PHE A 197 134.88 -179.55 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-26729 RELATED DB: EMDB REMARK 900 CCOV-HUPN-2018 D0 IN PROXIMAL CONFORMATION DBREF1 7US9 A 17 251 UNP A0A8E6CMP0_9ALPC DBREF2 7US9 A A0A8E6CMP0 17 251 SEQADV 7US9 MET A -15 UNP A0A8E6CMP INITIATING METHIONINE SEQADV 7US9 GLY A -14 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 ILE A -13 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 LEU A -12 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 PRO A -11 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 SER A -10 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 PRO A -9 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 GLY A -8 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 MET A -7 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 PRO A -6 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 ALA A -5 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 LEU A -4 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 LEU A -3 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 SER A -2 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 LEU A -1 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 VAL A 0 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 SER A 1 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 LEU A 2 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 LEU A 3 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 SER A 4 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 VAL A 5 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 LEU A 6 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 LEU A 7 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 MET A 8 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 GLY A 9 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 CYS A 10 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 VAL A 11 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 ALA A 12 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 GLU A 13 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 THR A 14 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 GLY A 15 UNP A0A8E6CMP EXPRESSION TAG SEQADV 7US9 THR A 16 UNP A0A8E6CMP EXPRESSION TAG SEQRES 1 A 267 MET GLY ILE LEU PRO SER PRO GLY MET PRO ALA LEU LEU SEQRES 2 A 267 SER LEU VAL SER LEU LEU SER VAL LEU LEU MET GLY CYS SEQRES 3 A 267 VAL ALA GLU THR GLY THR ASP ASN PHE PRO CYS SER LYS SEQRES 4 A 267 PHE LEU ASN ARG THR ILE GLY ASN HIS TRP ASN LEU ILE SEQRES 5 A 267 GLU ASN PHE LEU LEU ASN TYR SER ILE ARG LEU PRO PRO SEQRES 6 A 267 ASN SER ASP VAL VAL LEU GLY ASP TYR PHE PRO THR VAL SEQRES 7 A 267 GLN PRO TRP PHE ASN CYS ILE ARG ASN ASN ASN ASN SER SEQRES 8 A 267 LEU TYR VAL THR MET GLU ASN LEU LYS ALA LEU TYR TRP SEQRES 9 A 267 ASP TYR ALA THR GLU ASN ILE THR SER ASP HIS ARG GLN SEQRES 10 A 267 ARG LEU HIS VAL VAL VAL LYS GLY LYS PRO TYR SER ILE SEQRES 11 A 267 THR VAL THR THR THR ARG ASN PHE ASP ALA ALA GLU GLY SEQRES 12 A 267 ALA ILE ILE CYS ILE CYS LYS GLY SER PRO PRO THR THR SEQRES 13 A 267 THR THR GLY ASN LEU ASP CYS ASN TRP GLY SER ASP CYS SEQRES 14 A 267 ARG LEU ASN HIS LYS PHE PRO ILE CYS PRO SER ASN SER SEQRES 15 A 267 GLN ALA ASN CYS GLY ASN MET LEU TYR GLY LEU GLN TRP SEQRES 16 A 267 PHE THR ASP GLU VAL VAL ALA TYR LEU HIS GLY ALA ILE SEQRES 17 A 267 TYR ARG ILE SER PHE GLU ASN LYS TRP PHE GLY THR VAL SEQRES 18 A 267 THR LEU GLY ASP MET ARG ALA THR THR LEU GLN THR ALA SEQRES 19 A 267 GLY ALA LEU VAL ASP LEU TRP TRP PHE ASN PRO VAL TYR SEQRES 20 A 267 ASP VAL THR TYR TYR ARG VAL ASN ASN LYS ASN GLY THR SEQRES 21 A 267 THR ILE VAL SER ASN CYS THR HET NAG B 1 14 HET NAG B 2 14 HET NAG A 301 14 HET NAG A 302 14 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETSYN NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA- HETSYN 2 NAG D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO- HETSYN 3 NAG 2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE FORMUL 2 NAG 4(C8 H15 N O6) HELIX 1 AA1 HIS A 32 ILE A 45 1 14 SHEET 1 AA1 3 ASP A 52 ASP A 57 0 SHEET 2 AA1 3 THR A 234 ASN A 239 -1 O TYR A 236 N LEU A 55 SHEET 3 AA1 3 ILE A 246 ASN A 249 -1 O SER A 248 N ARG A 237 SHEET 1 AA2 6 VAL A 78 GLU A 81 0 SHEET 2 AA2 6 LYS A 200 LEU A 207 -1 O LEU A 207 N VAL A 78 SHEET 3 AA2 6 VAL A 105 LYS A 110 -1 N VAL A 106 O THR A 206 SHEET 4 AA2 6 TYR A 112 VAL A 116 -1 O ILE A 114 N VAL A 107 SHEET 5 AA2 6 ILE A 129 LYS A 134 -1 O CYS A 131 N THR A 115 SHEET 6 AA2 6 CYS A 153 LYS A 158 -1 O ARG A 154 N ILE A 132 SHEET 1 AA3 5 ALA A 191 SER A 196 0 SHEET 2 AA3 5 GLU A 183 LEU A 188 -1 N VAL A 184 O ILE A 195 SHEET 3 AA3 5 TYR A 175 PHE A 180 -1 N GLN A 178 O VAL A 185 SHEET 4 AA3 5 ALA A 85 TRP A 88 -1 N TRP A 88 O TYR A 175 SHEET 5 AA3 5 PHE A 227 VAL A 230 -1 O ASN A 228 N TYR A 87 SSBOND 1 CYS A 133 CYS A 153 1555 1555 2.09 LINK ND2 ASN A 42 C1 NAG A 301 1555 1555 1.50 LINK ND2 ASN A 242 C1 NAG A 302 1555 1555 1.51 LINK ND2 ASN A 249 C1 NAG B 1 1555 1555 1.51 LINK O4 NAG B 1 C1 NAG B 2 1555 1555 1.51 CISPEP 1 LYS A 110 PRO A 111 0 -2.64 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000