HEADER VIRAL PROTEIN 19-MAR-25 9U4O TITLE CRYO-EM STRUCTURE OF HUMAN ACE2 COMPLEXED WITH RACCS20637 RBD COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROCESSED ANGIOTENSIN-CONVERTING ENZYME 2; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: SPIKE GLYCOPROTEIN; COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: ACE2, UNQ868/PRO1885; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: CORONAVIRIDAE; SOURCE 10 ORGANISM_TAXID: 11118; SOURCE 11 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 12 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS COMPLEX, VIRAL PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR K.MATSUMOTO,H.AKASAKA,W.SHIHOYA,O.NUREKI REVDAT 1 17-JUN-26 9U4O 0 JRNL AUTH S.WACHARAPLUESADEE,W.SAIKRUANG,S.LYTRAS,K.MATSUMOTO,K.URIU, JRNL AUTH 2 A.HINAY JR.,Z.GUO,K.RATTANATUMHI,A.SUPATARAGUL,S.NINWATTANA, JRNL AUTH 3 N.THIPPAMOM,T.SRISUK,P.MANEEORN,K.NORADECHANON,P.DUENGKAE, JRNL AUTH 4 N.SIRICHAN,Y.KOSUGI,S.FUJITA,M.S.YO,R.MATSUNAGA,B.HU,L.DU, JRNL AUTH 5 L.WANG,M.TSUDA,Y.ODA,H.NASSER,K.T.KIMURA,H.AKASAKA, JRNL AUTH 6 H.ASAKURA,M.NAGASHIMA,K.SADAMASU,K.YOSHIMURA,Y.YAMAMOTO, JRNL AUTH 7 T.NAGAMOTO,T.ASAKURA,W.SHIHOYA,T.HASHIGUCHI,T.IKEDA, JRNL AUTH 8 S.TANAKA,H.CHU,K.TSUMOTO,O.NUREKI,A.PLIANCHAISUK, JRNL AUTH 9 O.PUTCHAROEN,K.SATO JRNL TITL VIROLOGICAL CHARACTERISTICS OF SARS-COV-2-RELATED JRNL TITL 2 CORONAVIRUSES DYNAMICALLY CIRCULATING IN SOUTHEAST ASIA. JRNL REF CELL 2026 JRNL REFN ISSN 1097-4172 JRNL PMID 42097139 JRNL DOI 10.1016/J.CELL.2026.04.019 REMARK 2 REMARK 2 RESOLUTION. 2.77 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) : 2.770 REMARK 3 NUMBER OF PARTICLES : 110912 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 9U4O COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 24-MAR-25. REMARK 100 THE DEPOSITION ID IS D_1300057568. 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 : RACCS20637 RBD AND R. CORNUTUS REMARK 245 ACE2 COMPLEX 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 : 7.50 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 : TFS KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 BIOQUANTUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 800.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 1600.00 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) : 4990.00 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F, G 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 -12 REMARK 465 GLY A -11 REMARK 465 ILE A -10 REMARK 465 LEU A -9 REMARK 465 PRO A -8 REMARK 465 SER A -7 REMARK 465 PRO A -6 REMARK 465 GLY A -5 REMARK 465 MET A -4 REMARK 465 PRO A -3 REMARK 465 ALA A -2 REMARK 465 LEU A -1 REMARK 465 LEU A 0 REMARK 465 SER A 1 REMARK 465 LEU A 2 REMARK 465 VAL A 3 REMARK 465 SER A 4 REMARK 465 LEU A 5 REMARK 465 LEU A 6 REMARK 465 SER A 7 REMARK 465 VAL A 8 REMARK 465 LEU A 9 REMARK 465 LEU A 10 REMARK 465 MET A 11 REMARK 465 GLY A 12 REMARK 465 CYS A 13 REMARK 465 VAL A 14 REMARK 465 ALA A 15 REMARK 465 GLU A 16 REMARK 465 THR A 17 REMARK 465 GLY A 18 REMARK 465 ALA A 614 REMARK 465 ASP A 615 REMARK 465 GLY A 616 REMARK 465 THR A 617 REMARK 465 LYS A 618 REMARK 465 HIS A 619 REMARK 465 HIS A 620 REMARK 465 HIS A 621 REMARK 465 HIS A 622 REMARK 465 HIS A 623 REMARK 465 HIS A 624 REMARK 465 MET B 300 REMARK 465 GLU B 301 REMARK 465 THR B 302 REMARK 465 GLY B 303 REMARK 465 LEU B 304 REMARK 465 ARG B 305 REMARK 465 TRP B 306 REMARK 465 LEU B 307 REMARK 465 LEU B 308 REMARK 465 LEU B 309 REMARK 465 VAL B 310 REMARK 465 ALA B 311 REMARK 465 VAL B 312 REMARK 465 LEU B 313 REMARK 465 LYS B 314 REMARK 465 GLY B 315 REMARK 465 VAL B 316 REMARK 465 GLN B 317 REMARK 465 CYS B 318 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 ASP 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 THR B 333 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 ILE 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 HIS B 542 REMARK 465 HIS B 543 REMARK 465 HIS B 544 REMARK 465 HIS B 545 REMARK 465 HIS B 546 REMARK 465 HIS B 547 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 SG CYS B 391 SG CYS B 525 1.80 REMARK 500 CG2 THR A 276 CG2 THR A 445 1.87 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 ASP A 136 -6.35 73.32 REMARK 500 TRP A 163 -51.47 -125.89 REMARK 500 GLU A 171 -76.36 -129.11 REMARK 500 ASP A 303 -156.82 -142.27 REMARK 500 ASN A 338 -127.56 51.42 REMARK 500 ASN A 394 -167.77 -170.20 REMARK 500 ILE A 446 -60.23 -102.20 REMARK 500 ILE A 484 -61.50 -94.22 REMARK 500 ASP A 494 -151.09 -112.31 REMARK 500 ASN A 572 0.63 -68.77 REMARK 500 VAL A 573 -38.57 -134.46 REMARK 500 PRO B 337 42.07 -79.81 REMARK 500 ALA B 352 47.56 -100.99 REMARK 500 SER B 373 16.41 -150.84 REMARK 500 ALA B 397 53.70 -114.50 REMARK 500 ASN B 422 -57.72 -122.98 REMARK 500 ASN B 460 -163.04 -102.73 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 169 0.11 SIDE CHAIN REMARK 500 ARG A 192 0.23 SIDE CHAIN REMARK 500 ARG A 273 0.09 SIDE CHAIN REMARK 500 ARG A 393 0.10 SIDE CHAIN REMARK 500 ARG A 460 0.13 SIDE CHAIN REMARK 500 ARG A 518 0.25 SIDE CHAIN REMARK 500 ARG B 355 0.26 SIDE CHAIN REMARK 500 ARG B 357 0.19 SIDE CHAIN REMARK 500 ARG B 466 0.11 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-63852 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF HUMAN ACE2 COMPLEXED WITH RACCS20637 RBD DBREF 9U4O A 19 615 UNP Q9BYF1 ACE2_HUMAN 19 615 DBREF1 9U4O B 319 541 UNP A0AAN0NP16_9NIDO DBREF2 9U4O B A0AAN0NP16 315 537 SEQADV 9U4O MET A -12 UNP Q9BYF1 INITIATING METHIONINE SEQADV 9U4O GLY A -11 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O ILE A -10 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O LEU A -9 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O PRO A -8 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O SER A -7 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O PRO A -6 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O GLY A -5 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O MET A -4 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O PRO A -3 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O ALA A -2 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O LEU A -1 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O LEU A 0 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O SER A 1 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O LEU A 2 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O VAL A 3 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O SER A 4 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O LEU A 5 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O LEU A 6 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O SER A 7 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O VAL A 8 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O LEU A 9 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O LEU A 10 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O MET A 11 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O GLY A 12 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O CYS A 13 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O VAL A 14 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O ALA A 15 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O GLU A 16 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O THR A 17 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O GLY A 18 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O GLY A 616 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O THR A 617 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O LYS A 618 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O HIS A 619 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O HIS A 620 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O HIS A 621 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O HIS A 622 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O HIS A 623 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O HIS A 624 UNP Q9BYF1 EXPRESSION TAG SEQADV 9U4O MET B 300 UNP A0AAN0NP1 INITIATING METHIONINE SEQADV 9U4O GLU B 301 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O THR B 302 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O GLY B 303 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O LEU B 304 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O ARG B 305 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O TRP B 306 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O LEU B 307 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O LEU B 308 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O LEU B 309 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O VAL B 310 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O ALA B 311 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O VAL B 312 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O LEU B 313 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O LYS B 314 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O GLY B 315 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O VAL B 316 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O GLN B 317 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O CYS B 318 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O ILE B 402 UNP A0AAN0NP1 VAL 398 CONFLICT SEQADV 9U4O ASN B 477 UNP A0AAN0NP1 SER 473 CONFLICT SEQADV 9U4O GLU B 478 UNP A0AAN0NP1 THR 474 CONFLICT SEQADV 9U4O GLN B 493 UNP A0AAN0NP1 LYS 489 CONFLICT SEQADV 9U4O HIS B 542 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O HIS B 543 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O HIS B 544 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O HIS B 545 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O HIS B 546 UNP A0AAN0NP1 EXPRESSION TAG SEQADV 9U4O HIS B 547 UNP A0AAN0NP1 EXPRESSION TAG SEQRES 1 A 637 MET GLY ILE LEU PRO SER PRO GLY MET PRO ALA LEU LEU SEQRES 2 A 637 SER LEU VAL SER LEU LEU SER VAL LEU LEU MET GLY CYS SEQRES 3 A 637 VAL ALA GLU THR GLY SER THR ILE GLU GLU GLN ALA LYS SEQRES 4 A 637 THR PHE LEU ASP LYS PHE ASN HIS GLU ALA GLU ASP LEU SEQRES 5 A 637 PHE TYR GLN SER SER LEU ALA SER TRP ASN TYR ASN THR SEQRES 6 A 637 ASN ILE THR GLU GLU ASN VAL GLN ASN MET ASN ASN ALA SEQRES 7 A 637 GLY ASP LYS TRP SER ALA PHE LEU LYS GLU GLN SER THR SEQRES 8 A 637 LEU ALA GLN MET TYR PRO LEU GLN GLU ILE GLN ASN LEU SEQRES 9 A 637 THR VAL LYS LEU GLN LEU GLN ALA LEU GLN GLN ASN GLY SEQRES 10 A 637 SER SER VAL LEU SER GLU ASP LYS SER LYS ARG LEU ASN SEQRES 11 A 637 THR ILE LEU ASN THR MET SER THR ILE TYR SER THR GLY SEQRES 12 A 637 LYS VAL CYS ASN PRO ASP ASN PRO GLN GLU CYS LEU LEU SEQRES 13 A 637 LEU GLU PRO GLY LEU ASN GLU ILE MET ALA ASN SER LEU SEQRES 14 A 637 ASP TYR ASN GLU ARG LEU TRP ALA TRP GLU SER TRP ARG SEQRES 15 A 637 SER GLU VAL GLY LYS GLN LEU ARG PRO LEU TYR GLU GLU SEQRES 16 A 637 TYR VAL VAL LEU LYS ASN GLU MET ALA ARG ALA ASN HIS SEQRES 17 A 637 TYR GLU ASP TYR GLY ASP TYR TRP ARG GLY ASP TYR GLU SEQRES 18 A 637 VAL ASN GLY VAL ASP GLY TYR ASP TYR SER ARG GLY GLN SEQRES 19 A 637 LEU ILE GLU ASP VAL GLU HIS THR PHE GLU GLU ILE LYS SEQRES 20 A 637 PRO LEU TYR GLU HIS LEU HIS ALA TYR VAL ARG ALA LYS SEQRES 21 A 637 LEU MET ASN ALA TYR PRO SER TYR ILE SER PRO ILE GLY SEQRES 22 A 637 CYS LEU PRO ALA HIS LEU LEU GLY ASP MET TRP GLY ARG SEQRES 23 A 637 PHE TRP THR ASN LEU TYR SER LEU THR VAL PRO PHE GLY SEQRES 24 A 637 GLN LYS PRO ASN ILE ASP VAL THR ASP ALA MET VAL ASP SEQRES 25 A 637 GLN ALA TRP ASP ALA GLN ARG ILE PHE LYS GLU ALA GLU SEQRES 26 A 637 LYS PHE PHE VAL SER VAL GLY LEU PRO ASN MET THR GLN SEQRES 27 A 637 GLY PHE TRP GLU ASN SER MET LEU THR ASP PRO GLY ASN SEQRES 28 A 637 VAL GLN LYS ALA VAL CYS HIS PRO THR ALA TRP ASP LEU SEQRES 29 A 637 GLY LYS GLY ASP PHE ARG ILE LEU MET CYS THR LYS VAL SEQRES 30 A 637 THR MET ASP ASP PHE LEU THR ALA HIS HIS GLU MET GLY SEQRES 31 A 637 HIS ILE GLN TYR ASP MET ALA TYR ALA ALA GLN PRO PHE SEQRES 32 A 637 LEU LEU ARG ASN GLY ALA ASN GLU GLY PHE HIS GLU ALA SEQRES 33 A 637 VAL GLY GLU ILE MET SER LEU SER ALA ALA THR PRO LYS SEQRES 34 A 637 HIS LEU LYS SER ILE GLY LEU LEU SER PRO ASP PHE GLN SEQRES 35 A 637 GLU ASP ASN GLU THR GLU ILE ASN PHE LEU LEU LYS GLN SEQRES 36 A 637 ALA LEU THR ILE VAL GLY THR LEU PRO PHE THR TYR MET SEQRES 37 A 637 LEU GLU LYS TRP ARG TRP MET VAL PHE LYS GLY GLU ILE SEQRES 38 A 637 PRO LYS ASP GLN TRP MET LYS LYS TRP TRP GLU MET LYS SEQRES 39 A 637 ARG GLU ILE VAL GLY VAL VAL GLU PRO VAL PRO HIS ASP SEQRES 40 A 637 GLU THR TYR CYS ASP PRO ALA SER LEU PHE HIS VAL SER SEQRES 41 A 637 ASN ASP TYR SER PHE ILE ARG TYR TYR THR ARG THR LEU SEQRES 42 A 637 TYR GLN PHE GLN PHE GLN GLU ALA LEU CYS GLN ALA ALA SEQRES 43 A 637 LYS HIS GLU GLY PRO LEU HIS LYS CYS ASP ILE SER ASN SEQRES 44 A 637 SER THR GLU ALA GLY GLN LYS LEU PHE ASN MET LEU ARG SEQRES 45 A 637 LEU GLY LYS SER GLU PRO TRP THR LEU ALA LEU GLU ASN SEQRES 46 A 637 VAL VAL GLY ALA LYS ASN MET ASN VAL ARG PRO LEU LEU SEQRES 47 A 637 ASN TYR PHE GLU PRO LEU PHE THR TRP LEU LYS ASP GLN SEQRES 48 A 637 ASN LYS ASN SER PHE VAL GLY TRP SER THR ASP TRP SER SEQRES 49 A 637 PRO TYR ALA ASP GLY THR LYS HIS HIS HIS HIS HIS HIS SEQRES 1 B 248 MET GLU THR GLY LEU ARG TRP LEU LEU LEU VAL ALA VAL SEQRES 2 B 248 LEU LYS GLY VAL GLN CYS ARG VAL GLN PRO THR ASP SER SEQRES 3 B 248 ILE VAL ARG PHE PRO ASN ILE THR ASN LEU CYS PRO PHE SEQRES 4 B 248 GLY GLU VAL PHE ASN ALA THR THR PHE ALA SER VAL TYR SEQRES 5 B 248 ALA TRP ASN ARG LYS ARG ILE SER ASN CYS VAL ALA ASP SEQRES 6 B 248 TYR SER VAL LEU TYR ASN SER THR SER PHE SER THR PHE SEQRES 7 B 248 LYS CYS TYR GLY VAL SER PRO THR LYS LEU ASN ASP LEU SEQRES 8 B 248 CYS PHE THR ASN VAL TYR ALA ASP SER PHE VAL ILE ARG SEQRES 9 B 248 GLY ASP GLU VAL ARG GLN ILE ALA PRO GLY GLN THR GLY SEQRES 10 B 248 LYS ILE ALA ASP TYR ASN TYR LYS LEU PRO ASP ASP PHE SEQRES 11 B 248 THR GLY CYS VAL ILE ALA TRP ASN SER ASN ASN LEU ASP SEQRES 12 B 248 SER LYS VAL GLY GLY ASN TYR ASN TYR LEU TYR ARG LEU SEQRES 13 B 248 PHE ARG LYS SER ASN LEU LYS PRO PHE GLU ARG ASP ILE SEQRES 14 B 248 SER THR GLU ILE TYR GLN ALA GLY ASN GLU PRO CYS ASN SEQRES 15 B 248 GLY VAL GLU GLY PHE ASN CYS TYR PHE PRO LEU GLN SER SEQRES 16 B 248 TYR GLY PHE HIS PRO THR ASN GLY VAL GLY TYR GLN PRO SEQRES 17 B 248 TYR ARG VAL VAL VAL LEU SER PHE GLU LEU LEU ASN ALA SEQRES 18 B 248 PRO ALA THR VAL CYS GLY PRO LYS LYS SER THR ASN LEU SEQRES 19 B 248 ILE LYS ASN LYS CYS VAL ASN PHE HIS HIS HIS HIS HIS SEQRES 20 B 248 HIS HET NAG C 1 14 HET NAG C 2 14 HET NAG D 1 14 HET NAG D 2 14 HET NAG E 1 14 HET NAG E 2 14 HET BMA E 3 11 HET NAG F 1 14 HET NAG F 2 14 HET BMA F 3 11 HET NAG G 1 14 HET NAG G 2 14 HET NAG A 701 14 HET NAG A 702 14 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM BMA BETA-D-MANNOPYRANOSE 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 HETSYN BMA BETA-D-MANNOSE; D-MANNOSE; MANNOSE FORMUL 3 NAG 12(C8 H15 N O6) FORMUL 5 BMA 2(C6 H12 O6) HELIX 1 AA1 THR A 20 THR A 52 1 33 HELIX 2 AA2 THR A 55 GLN A 81 1 27 HELIX 3 AA3 MET A 82 TYR A 83 5 2 HELIX 4 AA4 PRO 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 PRO A 146 SER A 155 1 10 HELIX 8 AA8 ASP A 157 SER A 170 1 14 HELIX 9 AA9 GLU A 171 ASN A 194 1 24 HELIX 10 AB1 ASP A 198 GLY A 205 1 8 HELIX 11 AB2 ASP A 206 GLU A 208 5 3 HELIX 12 AB3 GLY A 220 TYR A 252 1 33 HELIX 13 AB4 HIS A 265 LEU A 267 5 3 HELIX 14 AB5 TRP A 275 THR A 282 5 8 HELIX 15 AB6 VAL A 293 GLN A 300 1 8 HELIX 16 AB7 ASP A 303 VAL A 318 1 16 HELIX 17 AB8 THR A 324 SER A 331 1 8 HELIX 18 AB9 THR A 365 TYR A 385 1 21 HELIX 19 AC1 GLY A 399 ALA A 413 1 15 HELIX 20 AC2 THR A 414 ILE A 421 1 8 HELIX 21 AC3 ASP A 431 ILE A 446 1 16 HELIX 22 AC4 THR A 449 GLY A 466 1 18 HELIX 23 AC5 PRO A 469 ASP A 471 5 3 HELIX 24 AC6 GLN A 472 ILE A 484 1 13 HELIX 25 AC7 CYS A 498 SER A 502 5 5 HELIX 26 AC8 LEU A 503 ASN A 508 1 6 HELIX 27 AC9 PHE A 512 ALA A 533 1 22 HELIX 28 AD1 PRO A 538 CYS A 542 5 5 HELIX 29 AD2 SER A 547 ARG A 559 1 13 HELIX 30 AD3 PRO A 565 ASN A 572 1 8 HELIX 31 AD4 VAL A 581 PHE A 588 1 8 HELIX 32 AD5 PHE A 588 ASN A 599 1 12 HELIX 33 AD6 PRO B 337 ASN B 343 1 7 HELIX 34 AD7 TYR B 365 ASN B 370 1 6 HELIX 35 AD8 SER B 383 LEU B 387 5 5 HELIX 36 AD9 ASP B 405 VAL B 407 5 3 HELIX 37 AE1 GLY B 416 ASN B 422 1 7 SHEET 1 AA1 2 LYS A 131 CYS A 133 0 SHEET 2 AA1 2 CYS A 141 LEU A 143 -1 O LEU A 142 N VAL A 132 SHEET 1 AA2 2 LEU A 262 PRO A 263 0 SHEET 2 AA2 2 VAL A 487 VAL A 488 1 O VAL A 488 N LEU A 262 SHEET 1 AA3 2 THR A 347 GLY A 352 0 SHEET 2 AA3 2 ASP A 355 LEU A 359 -1 O ARG A 357 N TRP A 349 SHEET 1 AA4 5 ARG B 357 ILE B 358 0 SHEET 2 AA4 5 ASN B 394 TYR B 396 -1 O VAL B 395 N ILE B 358 SHEET 3 AA4 5 PRO B 507 GLU B 516 -1 O GLU B 516 N ASN B 394 SHEET 4 AA4 5 GLY B 431 ASN B 437 -1 N ILE B 434 O VAL B 511 SHEET 5 AA4 5 THR B 376 TYR B 380 -1 N TYR B 380 O GLY B 431 SHEET 1 AA5 4 ARG B 357 ILE B 358 0 SHEET 2 AA5 4 ASN B 394 TYR B 396 -1 O VAL B 395 N ILE B 358 SHEET 3 AA5 4 PRO B 507 GLU B 516 -1 O GLU B 516 N ASN B 394 SHEET 4 AA5 4 ASP B 398 ARG B 403 -1 N ILE B 402 O TYR B 508 SHEET 1 AA6 2 CYS B 361 VAL B 362 0 SHEET 2 AA6 2 VAL B 524 CYS B 525 1 O CYS B 525 N CYS B 361 SHEET 1 AA7 2 LEU B 452 ARG B 454 0 SHEET 2 AA7 2 LEU B 492 SER B 494 -1 O GLN B 493 N TYR B 453 SHEET 1 AA8 2 TYR B 473 GLN B 474 0 SHEET 2 AA8 2 CYS B 488 TYR B 489 -1 O TYR B 489 N TYR B 473 SSBOND 1 CYS A 133 CYS A 141 1555 1555 2.03 SSBOND 2 CYS A 344 CYS A 361 1555 1555 2.03 SSBOND 3 CYS A 530 CYS A 542 1555 1555 2.02 SSBOND 4 CYS B 336 CYS B 361 1555 1555 2.03 SSBOND 5 CYS B 379 CYS B 432 1555 1555 2.05 SSBOND 6 CYS B 480 CYS B 488 1555 1555 2.05 LINK ND2 ASN A 53 C1 NAG C 1 1555 1555 1.43 LINK ND2 ASN A 90 C1 NAG A 702 1555 1555 1.43 LINK ND2 ASN A 103 C1 NAG A 701 1555 1555 1.45 LINK ND2 ASN A 322 C1 NAG F 1 1555 1555 1.43 LINK ND2 ASN A 432 C1 NAG E 1 1555 1555 1.43 LINK ND2 ASN A 546 C1 NAG D 1 1555 1555 1.45 LINK ND2 ASN B 343 C1 NAG G 1 1555 1555 1.44 LINK O4 NAG C 1 C1 NAG C 2 1555 1555 1.44 LINK O4 NAG D 1 C1 NAG D 2 1555 1555 1.39 LINK O4 NAG E 1 C1 NAG E 2 1555 1555 1.44 LINK O4 NAG E 2 C1 BMA E 3 1555 1555 1.44 LINK O4 NAG F 1 C1 NAG F 2 1555 1555 1.44 LINK O4 NAG F 2 C1 BMA F 3 1555 1555 1.44 LINK O4 NAG G 1 C1 NAG G 2 1555 1555 1.39 CISPEP 1 GLU A 145 PRO A 146 0 -29.98 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 303 6400 CONECT 602 6576 CONECT 706 6562 CONECT 929 991 CONECT 991 929 CONECT 2494 6495 CONECT 2663 2799 CONECT 2799 2663 CONECT 3350 6456 CONECT 4196 4287 CONECT 4287 4196 CONECT 4317 6428 CONECT 4890 5093 CONECT 4947 6534 CONECT 5093 4890 CONECT 5235 5648 CONECT 5648 5235 CONECT 6043 6100 CONECT 6100 6043 CONECT 6400 303 6401 6411 CONECT 6401 6400 6402 6408 CONECT 6402 6401 6403 6409 CONECT 6403 6402 6404 6410 CONECT 6404 6403 6405 6411 CONECT 6405 6404 6412 CONECT 6406 6407 6408 6413 CONECT 6407 6406 CONECT 6408 6401 6406 CONECT 6409 6402 CONECT 6410 6403 6414 CONECT 6411 6400 6404 CONECT 6412 6405 CONECT 6413 6406 CONECT 6414 6410 6415 6425 CONECT 6415 6414 6416 6422 CONECT 6416 6415 6417 6423 CONECT 6417 6416 6418 6424 CONECT 6418 6417 6419 6425 CONECT 6419 6418 6426 CONECT 6420 6421 6422 6427 CONECT 6421 6420 CONECT 6422 6415 6420 CONECT 6423 6416 CONECT 6424 6417 CONECT 6425 6414 6418 CONECT 6426 6419 CONECT 6427 6420 CONECT 6428 4317 6429 6439 CONECT 6429 6428 6430 6436 CONECT 6430 6429 6431 6437 CONECT 6431 6430 6432 6438 CONECT 6432 6431 6433 6439 CONECT 6433 6432 6440 CONECT 6434 6435 6436 6441 CONECT 6435 6434 CONECT 6436 6429 6434 CONECT 6437 6430 CONECT 6438 6431 6442 CONECT 6439 6428 6432 CONECT 6440 6433 CONECT 6441 6434 CONECT 6442 6438 6443 6453 CONECT 6443 6442 6444 6450 CONECT 6444 6443 6445 6451 CONECT 6445 6444 6446 6452 CONECT 6446 6445 6447 6453 CONECT 6447 6446 6454 CONECT 6448 6449 6450 6455 CONECT 6449 6448 CONECT 6450 6443 6448 CONECT 6451 6444 CONECT 6452 6445 CONECT 6453 6442 6446 CONECT 6454 6447 CONECT 6455 6448 CONECT 6456 3350 6457 6467 CONECT 6457 6456 6458 6464 CONECT 6458 6457 6459 6465 CONECT 6459 6458 6460 6466 CONECT 6460 6459 6461 6467 CONECT 6461 6460 6468 CONECT 6462 6463 6464 6469 CONECT 6463 6462 CONECT 6464 6457 6462 CONECT 6465 6458 CONECT 6466 6459 6470 CONECT 6467 6456 6460 CONECT 6468 6461 CONECT 6469 6462 CONECT 6470 6466 6471 6481 CONECT 6471 6470 6472 6478 CONECT 6472 6471 6473 6479 CONECT 6473 6472 6474 6480 CONECT 6474 6473 6475 6481 CONECT 6475 6474 6482 CONECT 6476 6477 6478 6483 CONECT 6477 6476 CONECT 6478 6471 6476 CONECT 6479 6472 CONECT 6480 6473 6484 CONECT 6481 6470 6474 CONECT 6482 6475 CONECT 6483 6476 CONECT 6484 6480 6485 6493 CONECT 6485 6484 6486 6490 CONECT 6486 6485 6487 6491 CONECT 6487 6486 6488 6492 CONECT 6488 6487 6489 6493 CONECT 6489 6488 6494 CONECT 6490 6485 CONECT 6491 6486 CONECT 6492 6487 CONECT 6493 6484 6488 CONECT 6494 6489 CONECT 6495 2494 6496 6506 CONECT 6496 6495 6497 6503 CONECT 6497 6496 6498 6504 CONECT 6498 6497 6499 6505 CONECT 6499 6498 6500 6506 CONECT 6500 6499 6507 CONECT 6501 6502 6503 6508 CONECT 6502 6501 CONECT 6503 6496 6501 CONECT 6504 6497 CONECT 6505 6498 6509 CONECT 6506 6495 6499 CONECT 6507 6500 CONECT 6508 6501 CONECT 6509 6505 6510 6520 CONECT 6510 6509 6511 6517 CONECT 6511 6510 6512 6518 CONECT 6512 6511 6513 6519 CONECT 6513 6512 6514 6520 CONECT 6514 6513 6521 CONECT 6515 6516 6517 6522 CONECT 6516 6515 CONECT 6517 6510 6515 CONECT 6518 6511 CONECT 6519 6512 6523 CONECT 6520 6509 6513 CONECT 6521 6514 CONECT 6522 6515 CONECT 6523 6519 6524 6532 CONECT 6524 6523 6525 6529 CONECT 6525 6524 6526 6530 CONECT 6526 6525 6527 6531 CONECT 6527 6526 6528 6532 CONECT 6528 6527 6533 CONECT 6529 6524 CONECT 6530 6525 CONECT 6531 6526 CONECT 6532 6523 6527 CONECT 6533 6528 CONECT 6534 4947 6535 6545 CONECT 6535 6534 6536 6542 CONECT 6536 6535 6537 6543 CONECT 6537 6536 6538 6544 CONECT 6538 6537 6539 6545 CONECT 6539 6538 6546 CONECT 6540 6541 6542 6547 CONECT 6541 6540 CONECT 6542 6535 6540 CONECT 6543 6536 CONECT 6544 6537 6548 CONECT 6545 6534 6538 CONECT 6546 6539 CONECT 6547 6540 CONECT 6548 6544 6549 6559 CONECT 6549 6548 6550 6556 CONECT 6550 6549 6551 6557 CONECT 6551 6550 6552 6558 CONECT 6552 6551 6553 6559 CONECT 6553 6552 6560 CONECT 6554 6555 6556 6561 CONECT 6555 6554 CONECT 6556 6549 6554 CONECT 6557 6550 CONECT 6558 6551 CONECT 6559 6548 6552 CONECT 6560 6553 CONECT 6561 6554 CONECT 6562 706 6563 6573 CONECT 6563 6562 6564 6570 CONECT 6564 6563 6565 6571 CONECT 6565 6564 6566 6572 CONECT 6566 6565 6567 6573 CONECT 6567 6566 6574 CONECT 6568 6569 6570 6575 CONECT 6569 6568 CONECT 6570 6563 6568 CONECT 6571 6564 CONECT 6572 6565 CONECT 6573 6562 6566 CONECT 6574 6567 CONECT 6575 6568 CONECT 6576 602 6577 6587 CONECT 6577 6576 6578 6584 CONECT 6578 6577 6579 6585 CONECT 6579 6578 6580 6586 CONECT 6580 6579 6581 6587 CONECT 6581 6580 6588 CONECT 6582 6583 6584 6589 CONECT 6583 6582 CONECT 6584 6577 6582 CONECT 6585 6578 CONECT 6586 6579 CONECT 6587 6576 6580 CONECT 6588 6581 CONECT 6589 6582 MASTER 274 0 14 37 21 0 0 6 6577 2 209 69 END