HEADER VIRAL PROTEIN 19-AUG-25 9Q3V TITLE CRYO EM STRUCTURE OF ELK ACE2 IN COMPLEX WITH XBB 1.5 SPIKE RBD COMPND MOL_ID: 1; COMPND 2 MOLECULE: SPIKE PROTEIN; COMPND 3 CHAIN: B; COMPND 4 FRAGMENT: RNA BINDING DOMAIN; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: AUTHOR STATED THE SEQUENCE REFERENCE SHOULD BE GB COMPND 7 XBC18596.1; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: ANGIOTENSIN-CONVERTING ENZYME 2; COMPND 10 CHAIN: A; COMPND 11 FRAGMENT: EXTRACELLULAR DOMAIN; COMPND 12 EC: 3.4.-.-; COMPND 13 ENGINEERED: YES; COMPND 14 OTHER_DETAILS: AUTHOR STATED THE SEQUENCE REFERENCE SHOULD BE GB COMPND 15 XP_043314478.1 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS SOURCE 3 2; SOURCE 4 ORGANISM_TAXID: 2697049; SOURCE 5 STRAIN: OMICRON; SOURCE 6 VARIANT: XBB1.5; SOURCE 7 GENE: S, 2; SOURCE 8 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 9 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER; SOURCE 10 EXPRESSION_SYSTEM_TAXID: 10029; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: CERVUS CANADENSIS; SOURCE 13 ORGANISM_COMMON: ELK; SOURCE 14 ORGANISM_TAXID: 1574408; SOURCE 15 GENE: ACE2; SOURCE 16 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 17 EXPRESSION_SYSTEM_TAXID: 10029 KEYWDS SARS-COV-2, CERVIDAE, ACE2 RECEPTOR, VIRAL HOST INTERACTION, HOST KEYWDS 2 SUSCEPTIBILITY, VIRAL PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR K.YE,Y.J.TAO,X.F.WAN REVDAT 1 25-FEB-26 9Q3V 0 JRNL AUTH C.ESPADA,K.YE,Y.LONG,K.PASAI,T.J.DELIBERTO,J.HEALE,R.WIESE, JRNL AUTH 2 Q.YANG,M.ZHOU,S.STREICH,Y.J.TAO,J.C.CHANDLER,X.F.WAN JRNL TITL SPECIES- AND VARIANT-SPECIFIC ACE2 COMPATIBILITY SHAPES JRNL TITL 2 SARS-COV-2 SPILLOVER POTENTIAL IN NORTH AMERICAN CERVIDS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 3.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : RELION, RELION, CRYOSPARC, PHENIX, REMARK 3 CRYOSPARC, CRYOSPARC, CRYOSPARC, REMARK 3 CRYOSPARC, PHENIX REMARK 3 RECONSTRUCTION SCHEMA : SIMULTANEOUS ITERATIVE (SIRT) REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 8HFY REMARK 3 REFINEMENT SPACE : REAL 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) : 3.300 REMARK 3 NUMBER OF PARTICLES : 121345 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 9Q3V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-AUG-25. REMARK 100 THE DEPOSITION ID IS D_1000298981. 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 : BINARY COMPLEX OF ELK ACE2 WITH REMARK 245 SARS-COV-2 XBB 1.5 SPIKE RBD; REMARK 245 ELK ACE2 EXTRACELLULAR DOMAIN; REMARK 245 RECEPTOR BINDING DOMAIN OF SARS- REMARK 245 COV-2 XBB1.5 SPIKE PROTEIN REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 1.80 REMARK 245 SAMPLE SUPPORT DETAILS : THE GRIDS WERE GLOW DISCHARGED REMARK 245 WITH THE CURRENT SET TO BE 30 REMARK 245 MA. REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.40 REMARK 245 SAMPLE DETAILS : THIS COMPLEX IS FROM LOCAL REMARK 245 REFINEMENT OF THE ELK ACE2:SPIKE COMPLEX 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 : TFS KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1000.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2500.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.70 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 125.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 105000 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, 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 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 ARG B 319 REMARK 465 VAL B 320 REMARK 465 GLN B 321 REMARK 465 PRO B 322 REMARK 465 THR B 323 REMARK 465 GLU B 324 REMARK 465 SER B 325 REMARK 465 ILE B 326 REMARK 465 VAL B 327 REMARK 465 ARG B 328 REMARK 465 PHE B 329 REMARK 465 PRO B 330 REMARK 465 ASN B 331 REMARK 465 ILE B 332 REMARK 465 PRO B 527 REMARK 465 LYS B 528 REMARK 465 LYS B 529 REMARK 465 SER B 530 REMARK 465 THR B 531 REMARK 465 ASN B 532 REMARK 465 LEU B 533 REMARK 465 VAL B 534 REMARK 465 LYS B 535 REMARK 465 ASN B 536 REMARK 465 LYS B 537 REMARK 465 CYS B 538 REMARK 465 VAL B 539 REMARK 465 ASN B 540 REMARK 465 PHE B 541 REMARK 465 MET A 1 REMARK 465 THR A 2 REMARK 465 GLY A 3 REMARK 465 SER A 4 REMARK 465 PHE A 5 REMARK 465 TRP A 6 REMARK 465 LEU A 7 REMARK 465 LEU A 8 REMARK 465 LEU A 9 REMARK 465 SER A 10 REMARK 465 LEU A 11 REMARK 465 VAL A 12 REMARK 465 ALA A 13 REMARK 465 VAL A 14 REMARK 465 THR A 15 REMARK 465 ALA A 16 REMARK 465 ALA A 17 REMARK 465 GLN A 18 REMARK 465 ASP A 614 REMARK 465 GLY A 615 REMARK 465 GLY A 616 REMARK 465 HIS A 617 REMARK 465 HIS A 618 REMARK 465 HIS A 619 REMARK 465 HIS A 620 REMARK 465 HIS A 621 REMARK 465 HIS A 622 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 THR A 21 CG2 REMARK 470 THR A 105 CG2 REMARK 470 THR A 137 CG2 REMARK 470 THR A 258 CG2 REMARK 470 THR A 610 CG2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O LYS A 223 ND1 HIS A 227 2.14 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 TYR B 365 -101.38 56.95 REMARK 500 TYR B 369 15.99 -142.01 REMARK 500 PHE B 375 -19.14 -141.70 REMARK 500 ALA B 376 147.20 -175.27 REMARK 500 THR B 385 -163.73 -79.66 REMARK 500 ALA B 411 145.13 -171.11 REMARK 500 ALA B 475 -102.28 55.19 REMARK 500 ASN B 477 -71.68 -62.13 REMARK 500 LYS B 478 65.53 26.52 REMARK 500 ASN B 481 -98.55 61.41 REMARK 500 ASN B 487 -1.20 65.26 REMARK 500 VAL B 524 108.01 63.29 REMARK 500 GLN A 89 -166.83 -124.93 REMARK 500 ASN A 90 72.31 60.95 REMARK 500 GLN A 101 -163.38 -78.26 REMARK 500 GLN A 102 64.50 64.90 REMARK 500 SER A 106 49.71 -86.52 REMARK 500 TYR A 206 53.86 -91.49 REMARK 500 ASP A 213 19.38 56.84 REMARK 500 ALA A 263 -156.27 -157.36 REMARK 500 HIS A 264 -8.88 -51.59 REMARK 500 TRP A 274 49.44 -88.49 REMARK 500 LYS A 285 -3.76 67.75 REMARK 500 THR A 333 -169.30 -125.87 REMARK 500 LEU A 350 -98.48 54.77 REMARK 500 MET A 359 145.56 -171.55 REMARK 500 LYS A 362 -178.12 -67.68 REMARK 500 PRO A 388 170.07 -58.82 REMARK 500 ILE A 483 -61.50 -106.47 REMARK 500 THR A 495 -105.89 41.39 REMARK 500 ASP A 508 46.63 38.35 REMARK 500 ASN A 545 16.71 57.18 REMARK 500 PRO A 582 46.02 -77.78 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 9Q3U RELATED DB: PDB REMARK 900 FULL STRUCTURE MAP OF ELK ACE2 IN COMPLEX WITH SARS-COV-2 OMICRON REMARK 900 XBB1.5 SPIKE TRIMER REMARK 900 RELATED ID: EMD-72208 RELATED DB: EMDB REMARK 900 CRYO EM STRUCTURE OF ELK ACE2 IN COMPLEX WITH XBB 1.5 SPIKE RBD DBREF 9Q3V B 319 541 PDB 9Q3V 9Q3V 319 541 DBREF 9Q3V A 1 622 PDB 9Q3V 9Q3V 1 622 SEQRES 1 B 223 ARG VAL GLN PRO THR GLU SER ILE VAL ARG PHE PRO ASN SEQRES 2 B 223 ILE THR ASN LEU CYS PRO PHE HIS GLU VAL PHE ASN ALA SEQRES 3 B 223 THR THR PHE ALA SER VAL TYR ALA TRP ASN ARG LYS ARG SEQRES 4 B 223 ILE SER ASN CYS VAL ALA ASP TYR SER VAL ILE TYR ASN SEQRES 5 B 223 PHE ALA PRO PHE PHE ALA PHE LYS CYS TYR GLY VAL SER SEQRES 6 B 223 PRO THR LYS LEU ASN ASP LEU CYS PHE THR ASN VAL TYR SEQRES 7 B 223 ALA ASP SER PHE VAL ILE ARG GLY ASN GLU VAL SER GLN SEQRES 8 B 223 ILE ALA PRO GLY GLN THR GLY ASN ILE ALA ASP TYR ASN SEQRES 9 B 223 TYR LYS LEU PRO ASP ASP PHE THR GLY CYS VAL ILE ALA SEQRES 10 B 223 TRP ASN SER ASN LYS LEU ASP SER LYS PRO SER GLY ASN SEQRES 11 B 223 TYR ASN TYR LEU TYR ARG LEU PHE ARG LYS SER LYS LEU SEQRES 12 B 223 LYS PRO PHE GLU ARG ASP ILE SER THR GLU ILE TYR GLN SEQRES 13 B 223 ALA GLY ASN LYS PRO CYS ASN GLY VAL ALA GLY PRO ASN SEQRES 14 B 223 CYS TYR SER PRO LEU GLN SER TYR GLY PHE ARG PRO THR SEQRES 15 B 223 TYR GLY VAL GLY HIS GLN PRO TYR ARG VAL VAL VAL LEU SEQRES 16 B 223 SER PHE GLU LEU LEU HIS ALA PRO ALA THR VAL CYS GLY SEQRES 17 B 223 PRO LYS LYS SER THR ASN LEU VAL LYS ASN LYS CYS VAL SEQRES 18 B 223 ASN PHE SEQRES 1 A 622 MET THR GLY SER PHE TRP LEU LEU LEU SER LEU VAL ALA SEQRES 2 A 622 VAL THR ALA ALA GLN SER THR THR GLU GLU GLN ALA LYS SEQRES 3 A 622 THR PHE LEU GLU ASN PHE ASN HIS GLU ALA GLU ASP LEU SEQRES 4 A 622 SER TYR GLN SER SER LEU ALA SER TRP ASN TYR ASN THR SEQRES 5 A 622 ASN ILE THR ASP GLU ASN VAL GLN LYS MET ASN GLU ALA SEQRES 6 A 622 ARG ALA LYS TRP SER ALA PHE TYR GLU GLU GLN SER ARG SEQRES 7 A 622 MET ALA LYS THR TYR SER LEU GLU GLU ILE GLN ASN LEU SEQRES 8 A 622 THR LEU LYS ARG GLN LEU LYS ALA LEU GLN GLN SER GLY SEQRES 9 A 622 THR SER VAL LEU SER ALA GLU LYS SER LYS ARG LEU ASN SEQRES 10 A 622 THR ILE LEU ASN THR MET SER THR ILE TYR SER THR GLY SEQRES 11 A 622 LYS VAL LEU ASP PRO ASN THR GLN GLU CYS LEU ALA LEU SEQRES 12 A 622 GLU PRO GLY LEU ASP ASP ILE MET GLU ASN SER ARG ASP SEQRES 13 A 622 TYR ASN ARG ARG LEU TRP ALA TRP GLU GLY TRP ARG ALA SEQRES 14 A 622 GLU VAL GLY LYS GLN LEU ARG PRO LEU TYR GLU GLU TYR SEQRES 15 A 622 VAL VAL LEU GLU ASN GLU MET ALA ARG ALA ASN ASN TYR SEQRES 16 A 622 GLU ASP TYR GLY ASP TYR TRP ARG GLY ASP TYR GLU VAL SEQRES 17 A 622 THR GLU ALA GLY ASP TYR ASP TYR SER ARG ASP GLN LEU SEQRES 18 A 622 MET LYS ASP VAL GLU HIS THR PHE ALA GLU ILE LYS PRO SEQRES 19 A 622 LEU TYR GLU GLN LEU HIS ALA TYR VAL ARG ALA LYS LEU SEQRES 20 A 622 MET ASP THR TYR PRO SER TYR ILE SER PRO THR GLY CYS SEQRES 21 A 622 LEU PRO ALA HIS LEU LEU GLY ASP MET TRP GLY ARG PHE SEQRES 22 A 622 TRP THR ASN LEU TYR SER LEU THR VAL PRO PHE LYS HIS SEQRES 23 A 622 LYS PRO SER ILE ASP VAL THR GLU LYS MET GLU ASN GLN SEQRES 24 A 622 SER TRP ASP ALA GLU ARG ILE PHE LYS GLU ALA GLU LYS SEQRES 25 A 622 PHE PHE VAL SER ILE GLY LEU PRO HIS MET THR GLN GLY SEQRES 26 A 622 PHE TRP ASP ASN SER MET LEU THR GLU PRO GLY ASP GLY SEQRES 27 A 622 ARG LYS VAL VAL CYS HIS PRO THR ALA TRP ASP LEU GLY SEQRES 28 A 622 LYS GLY ASP PHE ARG ILE LYS MET CYS THR LYS VAL THR SEQRES 29 A 622 MET ASP ASP PHE LEU THR ALA HIS HIS GLU MET GLY HIS SEQRES 30 A 622 ILE GLN TYR ASP MET ALA TYR ALA ALA GLN PRO TYR LEU SEQRES 31 A 622 LEU ARG ASN GLY ALA ASN GLU GLY PHE HIS GLU ALA VAL SEQRES 32 A 622 GLY GLU ILE MET SER LEU SER ALA ALA THR PRO HIS TYR SEQRES 33 A 622 LEU LYS ALA LEU GLY LEU LEU GLU PRO ASP PHE TYR GLU SEQRES 34 A 622 ASP ASN GLU THR GLU ILE ASN PHE LEU LEU LYS GLN ALA SEQRES 35 A 622 LEU THR ILE VAL GLY THR LEU PRO PHE THR TYR MET LEU SEQRES 36 A 622 GLU LYS TRP ARG TRP MET VAL PHE LYS GLY GLU ILE PRO SEQRES 37 A 622 LYS GLU GLN TRP MET GLN LYS TRP TRP GLU MET LYS ARG SEQRES 38 A 622 GLU ILE VAL GLY VAL VAL GLU PRO LEU PRO HIS ASP GLU SEQRES 39 A 622 THR TYR CYS ASP PRO ALA CYS LEU PHE HIS VAL ALA GLU SEQRES 40 A 622 ASP TYR SER PHE ILE ARG TYR TYR THR ARG THR ILE TYR SEQRES 41 A 622 GLN PHE GLN PHE HIS GLU ALA LEU CYS LYS THR ALA LYS SEQRES 42 A 622 HIS GLU GLY ALA LEU PHE LYS CYS ASP ILE SER ASN SER SEQRES 43 A 622 THR GLU ALA GLY GLN ARG LEU LEU GLN MET LEU SER LEU SEQRES 44 A 622 GLY LYS SER GLU PRO TRP THR LEU ALA LEU GLU SER ILE SEQRES 45 A 622 VAL GLY ILE LYS THR MET ASP VAL LYS PRO LEU LEU ASN SEQRES 46 A 622 TYR PHE GLU PRO LEU PHE THR TRP LEU LYS GLU GLN ASN SEQRES 47 A 622 LYS ASN SER PHE VAL GLY TRP SER THR GLU TRP THR PRO SEQRES 48 A 622 TYR SER ASP GLY GLY HIS HIS HIS HIS HIS HIS HET NAG A 701 14 HET NAG A 702 14 HET NAG A 703 14 HET NAG A 704 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 3 NAG 4(C8 H15 N O6) HELIX 1 AA1 GLY B 416 ASN B 422 1 7 HELIX 2 AA2 THR A 20 ASN A 53 1 34 HELIX 3 AA3 THR A 55 LYS A 81 1 27 HELIX 4 AA4 SER A 84 ILE A 88 5 5 HELIX 5 AA5 ASN A 90 GLN A 101 1 12 HELIX 6 AA6 SER A 109 THR A 129 1 21 HELIX 7 AA7 ASP A 134 GLN A 138 5 5 HELIX 8 AA8 GLY A 146 MET A 151 1 6 HELIX 9 AA9 GLU A 152 SER A 154 5 3 HELIX 10 AB1 ASP A 156 GLY A 172 1 17 HELIX 11 AB2 LEU A 175 ASN A 193 1 19 HELIX 12 AB3 ASP A 197 ARG A 203 1 7 HELIX 13 AB4 ASP A 219 TYR A 251 1 33 HELIX 14 AB5 LEU A 277 VAL A 282 1 6 HELIX 15 AB6 VAL A 292 GLN A 299 1 8 HELIX 16 AB7 ASP A 302 ILE A 317 1 16 HELIX 17 AB8 GLY A 325 SER A 330 1 6 HELIX 18 AB9 THR A 364 MET A 382 1 19 HELIX 19 AC1 PRO A 388 ARG A 392 5 5 HELIX 20 AC2 HIS A 400 SER A 410 1 11 HELIX 21 AC3 THR A 413 GLY A 421 1 9 HELIX 22 AC4 ASP A 430 VAL A 446 1 17 HELIX 23 AC5 THR A 448 GLY A 465 1 18 HELIX 24 AC6 PRO A 468 GLU A 470 5 3 HELIX 25 AC7 GLN A 471 VAL A 484 1 14 HELIX 26 AC8 LEU A 502 GLU A 507 1 6 HELIX 27 AC9 ILE A 512 ALA A 532 1 21 HELIX 28 AD1 THR A 547 SER A 558 1 12 HELIX 29 AD2 LEU A 559 GLU A 563 5 5 HELIX 30 AD3 PRO A 564 GLY A 574 1 11 HELIX 31 AD4 PHE A 587 ASN A 598 1 12 SHEET 1 AA1 5 ASN B 354 ARG B 357 0 SHEET 2 AA1 5 ASN B 394 ILE B 402 -1 O ALA B 397 N LYS B 356 SHEET 3 AA1 5 TYR B 508 GLU B 516 -1 O SER B 514 N TYR B 396 SHEET 4 AA1 5 GLY B 431 ASN B 437 -1 N ILE B 434 O VAL B 511 SHEET 5 AA1 5 CYS B 379 TYR B 380 -1 N TYR B 380 O GLY B 431 SHEET 1 AA2 2 LEU B 452 ARG B 454 0 SHEET 2 AA2 2 LEU B 492 SER B 494 -1 O GLN B 493 N TYR B 453 SHEET 1 AA3 2 THR A 346 TRP A 348 0 SHEET 2 AA3 2 ARG A 356 LYS A 358 -1 O ARG A 356 N TRP A 348 SSBOND 1 CYS B 379 CYS B 432 1555 1555 2.03 SSBOND 2 CYS B 391 CYS B 525 1555 1555 2.03 SSBOND 3 CYS B 480 CYS B 488 1555 1555 2.04 SSBOND 4 CYS A 343 CYS A 360 1555 1555 2.03 SSBOND 5 CYS A 529 CYS A 541 1555 1555 2.03 LINK ND2 ASN A 53 C1 NAG A 701 1555 1555 1.44 LINK ND2 ASN A 90 C1 NAG A 702 1555 1555 1.44 LINK ND2 ASN A 431 C1 NAG A 703 1555 1555 1.44 LINK ND2 ASN A 545 C1 NAG A 704 1555 1555 1.44 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 CONECT 387 794 CONECT 477 1536 CONECT 794 387 CONECT 1193 1242 CONECT 1242 1193 CONECT 1536 477 CONECT 1827 6429 CONECT 2137 6443 CONECT 4207 4344 CONECT 4344 4207 CONECT 4904 6457 CONECT 5753 5845 CONECT 5845 5753 CONECT 5875 6471 CONECT 6429 1827 6430 6440 CONECT 6430 6429 6431 6437 CONECT 6431 6430 6432 6438 CONECT 6432 6431 6433 6439 CONECT 6433 6432 6434 6440 CONECT 6434 6433 6441 CONECT 6435 6436 6437 6442 CONECT 6436 6435 CONECT 6437 6430 6435 CONECT 6438 6431 CONECT 6439 6432 CONECT 6440 6429 6433 CONECT 6441 6434 CONECT 6442 6435 CONECT 6443 2137 6444 6454 CONECT 6444 6443 6445 6451 CONECT 6445 6444 6446 6452 CONECT 6446 6445 6447 6453 CONECT 6447 6446 6448 6454 CONECT 6448 6447 6455 CONECT 6449 6450 6451 6456 CONECT 6450 6449 CONECT 6451 6444 6449 CONECT 6452 6445 CONECT 6453 6446 CONECT 6454 6443 6447 CONECT 6455 6448 CONECT 6456 6449 CONECT 6457 4904 6458 6468 CONECT 6458 6457 6459 6465 CONECT 6459 6458 6460 6466 CONECT 6460 6459 6461 6467 CONECT 6461 6460 6462 6468 CONECT 6462 6461 6469 CONECT 6463 6464 6465 6470 CONECT 6464 6463 CONECT 6465 6458 6463 CONECT 6466 6459 CONECT 6467 6460 CONECT 6468 6457 6461 CONECT 6469 6462 CONECT 6470 6463 CONECT 6471 5875 6472 6482 CONECT 6472 6471 6473 6479 CONECT 6473 6472 6474 6480 CONECT 6474 6473 6475 6481 CONECT 6475 6474 6476 6482 CONECT 6476 6475 6483 CONECT 6477 6478 6479 6484 CONECT 6478 6477 CONECT 6479 6472 6477 CONECT 6480 6473 CONECT 6481 6474 CONECT 6482 6471 6475 CONECT 6483 6476 CONECT 6484 6477 MASTER 243 0 4 31 9 0 0 6 6482 2 70 66 END