HEADER SIGNALING PROTEIN 16-NOV-25 9XPL TITLE CRYSTAL STRUCTURE OF THE PUFFERFISH TASTE RECEPTOR TAS1R1-TAS1R3 TITLE 2 LIGAND BINDING DOMAINS IN COMPLEX WITH D-PHENYLALANINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TASTE RECEPTOR, TYPE 1, MEMBER 1; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES; COMPND 6 OTHER_DETAILS: LIGAND-BINDING DOMAIN; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: TASTE RECEPTOR TYPE 1 MEMBER 3; COMPND 9 CHAIN: B; COMPND 10 ENGINEERED: YES; COMPND 11 MUTATION: YES; COMPND 12 OTHER_DETAILS: LIGAND-BINDING DOMAIN SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TAKIFUGU RUBRIPES; SOURCE 3 ORGANISM_COMMON: TORAFUGU; SOURCE 4 ORGANISM_TAXID: 31033; SOURCE 5 GENE: TAS1R1; SOURCE 6 EXPRESSION_SYSTEM: DROSOPHILA MELANOGASTER; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7227; SOURCE 8 EXPRESSION_SYSTEM_CELL_LINE: S2; SOURCE 9 MOL_ID: 2; SOURCE 10 ORGANISM_SCIENTIFIC: TAKIFUGU RUBRIPES; SOURCE 11 ORGANISM_COMMON: TORAFUGU; SOURCE 12 ORGANISM_TAXID: 31033; SOURCE 13 GENE: TAS1R3; SOURCE 14 EXPRESSION_SYSTEM: DROSOPHILA MELANOGASTER; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 7227; SOURCE 16 EXPRESSION_SYSTEM_CELL_LINE: S2 KEYWDS TASTE RECEPTOR, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR R.MIZOGUCHI,H.MATSUURA,K.HIRATA,A.YAMASHITA REVDAT 1 09-SEP-26 9XPL 0 JRNL AUTH R.MIZOGUCHI,Y.TODA,M.NAGAE,T.YOSHIDA,H.MATSUURA,K.HIRATA, JRNL AUTH 2 V.T.LAM,D.P.TRAN,A.KITAO,Y.MIYANOIRI,M.HOSOTANI,Y.ASHIKAWA, JRNL AUTH 3 C.ITO,N.TSUTSUMI,N.YASUI,Y.ISHIMARU,A.YAMASHITA JRNL TITL IDENTIFICATION AND STRUCTURAL CHARACTERIZATION OF JRNL TITL 2 STEREOCHEMICAL PROMISCUITY IN A TASTE RECEPTOR. JRNL REF PROC.NATL.ACAD.SCI.USA 2026 JRNL REFN ESSN 1091-6490 REMARK 2 REMARK 2 RESOLUTION. 2.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.21_5207: REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.25 REMARK 3 MIN(FOBS/SIGMA_FOBS) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 23561 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.215 REMARK 3 FREE R VALUE : 0.237 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1204 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 3.0200 - 2.9000 0.99 2478 113 0.3020 0.3284 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : NULL REMARK 3 SHRINKAGE RADIUS : NULL REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.003 7390 REMARK 3 ANGLE : 0.549 10060 REMARK 3 CHIRALITY : 0.043 1175 REMARK 3 PLANARITY : 0.004 1262 REMARK 3 DIHEDRAL : 7.542 1023 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9XPL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 17-NOV-25. REMARK 100 THE DEPOSITION ID IS D_1300065669. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-FEB-23 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL32XU REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23572 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 183.0 REMARK 200 R MERGE (I) : 0.43900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 29.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.08 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.5 REMARK 200 DATA REDUNDANCY IN SHELL : 183.0 REMARK 200 R MERGE FOR SHELL (I) : 4.04000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.540 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG3350, GLYCEROL, PH 6.0, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 49.73000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 53.45000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 49.73000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 53.45000 REMARK 290 SMTRY3 4 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4580 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 38600 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -28.0 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 MET A 1 REMARK 465 GLN A 2 REMARK 465 LEU A 3 REMARK 465 GLN A 4 REMARK 465 MET A 5 REMARK 465 LYS A 6 REMARK 465 MET A 7 REMARK 465 LEU A 8 REMARK 465 VAL A 9 REMARK 465 ALA A 10 REMARK 465 VAL A 11 REMARK 465 LEU A 12 REMARK 465 SER A 13 REMARK 465 ALA A 14 REMARK 465 THR A 15 REMARK 465 PRO A 16 REMARK 465 LEU A 17 REMARK 465 MET A 18 REMARK 465 LEU A 19 REMARK 465 GLN A 20 REMARK 465 LEU A 21 REMARK 465 VAL A 22 REMARK 465 THR A 23 REMARK 465 GLY A 24 REMARK 465 SER A 130 REMARK 465 ALA A 131 REMARK 465 SER A 132 REMARK 465 GLY A 133 REMARK 465 LYS A 134 REMARK 465 VAL A 135 REMARK 465 LEU A 347 REMARK 465 HIS A 348 REMARK 465 GLN A 349 REMARK 465 SER A 350 REMARK 465 ASN A 351 REMARK 465 ASP A 352 REMARK 465 GLY A 353 REMARK 465 ASN A 354 REMARK 465 ALA A 355 REMARK 465 SER A 356 REMARK 465 ASN A 357 REMARK 465 ILE A 491 REMARK 465 SER A 492 REMARK 465 GLY A 493 REMARK 465 ASP A 494 REMARK 465 SER A 495 REMARK 465 ARG A 496 REMARK 465 SER A 497 REMARK 465 VAL A 498 REMARK 465 PRO A 499 REMARK 465 GLN A 500 REMARK 465 SER A 501 REMARK 465 GLY A 502 REMARK 465 VAL A 503 REMARK 465 ALA A 504 REMARK 465 MET A 505 REMARK 465 PRO A 506 REMARK 465 GLY A 507 REMARK 465 ALA A 508 REMARK 465 GLU A 509 REMARK 465 ASP A 510 REMARK 465 ASP A 511 REMARK 465 VAL A 512 REMARK 465 VAL A 513 REMARK 465 MET B 1 REMARK 465 ALA B 2 REMARK 465 VAL B 3 REMARK 465 SER B 4 REMARK 465 PRO B 5 REMARK 465 THR B 6 REMARK 465 LEU B 7 REMARK 465 LEU B 8 REMARK 465 VAL B 9 REMARK 465 LEU B 10 REMARK 465 PHE B 11 REMARK 465 TRP B 12 REMARK 465 VAL B 13 REMARK 465 PHE B 14 REMARK 465 LYS B 15 REMARK 465 MET B 16 REMARK 465 THR B 17 REMARK 465 SER B 18 REMARK 465 ALA B 19 REMARK 465 ARG B 351 REMARK 465 SER B 352 REMARK 465 SER B 353 REMARK 465 ALA B 354 REMARK 465 GLN B 355 REMARK 465 ASN B 356 REMARK 465 SER B 357 REMARK 465 ASN B 358 REMARK 465 TYR B 359 REMARK 465 PRO B 360 REMARK 465 HIS B 487 REMARK 465 THR B 488 REMARK 465 GLU B 489 REMARK 465 THR B 490 REMARK 465 SER B 491 REMARK 465 GLU B 492 REMARK 465 VAL B 493 REMARK 465 PRO B 494 REMARK 465 GLN B 495 REMARK 465 SER B 496 REMARK 465 ASP B 497 REMARK 465 TYR B 498 REMARK 465 LYS B 499 REMARK 465 ASP B 500 REMARK 465 ASP B 501 REMARK 465 ASP B 502 REMARK 465 ASP B 503 REMARK 465 LYS B 504 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 SER B 298 OG1 THR B 302 2.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O MET A 378 NH2 ARG B 288 3545 1.76 REMARK 500 OG SER A 474 O3 NAG A 903 2555 1.90 REMARK 500 NZ LYS A 271 O LYS B 122 3445 2.09 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 PRO A 150 -159.84 -79.87 REMARK 500 ASP A 151 -60.45 -90.59 REMARK 500 GLN B 61 53.30 -91.62 REMARK 500 CYS B 105 10.82 59.77 REMARK 500 ASN B 125 -6.23 75.34 REMARK 500 ASN B 135 34.00 -98.89 REMARK 500 PRO B 146 -159.33 -79.11 REMARK 500 ASN B 147 -62.36 -90.26 REMARK 500 CYS B 367 30.21 -90.95 REMARK 500 PRO B 372 -9.88 -59.47 REMARK 500 ASN B 462 -73.17 -65.37 REMARK 500 SER B 463 -33.15 -138.34 REMARK 500 LYS B 475 -5.40 66.63 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 A 905 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ILE A 88 O REMARK 620 2 LEU A 97 O 108.3 REMARK 620 3 LEU A 98 O 168.4 74.2 REMARK 620 4 HOH A1001 O 111.9 94.7 78.8 REMARK 620 N 1 2 3 DBREF 9XPL A 1 501 UNP Q2MHK1 Q2MHK1_TAKRU 1 501 DBREF 9XPL B 1 496 UNP H2UNJ5 H2UNJ5_TAKRU 1 496 SEQADV 9XPL SER A 242 UNP Q2MHK1 CYS 242 ENGINEERED MUTATION SEQADV 9XPL GLY A 502 UNP Q2MHK1 EXPRESSION TAG SEQADV 9XPL VAL A 503 UNP Q2MHK1 EXPRESSION TAG SEQADV 9XPL ALA A 504 UNP Q2MHK1 EXPRESSION TAG SEQADV 9XPL MET A 505 UNP Q2MHK1 EXPRESSION TAG SEQADV 9XPL PRO A 506 UNP Q2MHK1 EXPRESSION TAG SEQADV 9XPL GLY A 507 UNP Q2MHK1 EXPRESSION TAG SEQADV 9XPL ALA A 508 UNP Q2MHK1 EXPRESSION TAG SEQADV 9XPL GLU A 509 UNP Q2MHK1 EXPRESSION TAG SEQADV 9XPL ASP A 510 UNP Q2MHK1 EXPRESSION TAG SEQADV 9XPL ASP A 511 UNP Q2MHK1 EXPRESSION TAG SEQADV 9XPL VAL A 512 UNP Q2MHK1 EXPRESSION TAG SEQADV 9XPL VAL A 513 UNP Q2MHK1 EXPRESSION TAG SEQADV 9XPL SER B 238 UNP H2UNJ5 CYS 238 ENGINEERED MUTATION SEQADV 9XPL ASP B 497 UNP H2UNJ5 EXPRESSION TAG SEQADV 9XPL TYR B 498 UNP H2UNJ5 EXPRESSION TAG SEQADV 9XPL LYS B 499 UNP H2UNJ5 EXPRESSION TAG SEQADV 9XPL ASP B 500 UNP H2UNJ5 EXPRESSION TAG SEQADV 9XPL ASP B 501 UNP H2UNJ5 EXPRESSION TAG SEQADV 9XPL ASP B 502 UNP H2UNJ5 EXPRESSION TAG SEQADV 9XPL ASP B 503 UNP H2UNJ5 EXPRESSION TAG SEQADV 9XPL LYS B 504 UNP H2UNJ5 EXPRESSION TAG SEQRES 1 A 513 MET GLN LEU GLN MET LYS MET LEU VAL ALA VAL LEU SER SEQRES 2 A 513 ALA THR PRO LEU MET LEU GLN LEU VAL THR GLY GLU LEU SEQRES 3 A 513 ASP TYR SER THR HIS GLY GLN GLY MET GLN LEU HIS GLY SEQRES 4 A 513 ASN PHE SER ILE ALA GLY PHE PHE PRO LEU HIS TYR GLY SEQRES 5 A 513 GLU LYS LEU ASP GLY SER LEU PRO ALA LEU GLU LEU CYS SEQRES 6 A 513 LYS ASP GLY GLU ILE ASN LYS HIS GLY PHE HIS LEU LEU SEQRES 7 A 513 GLN ALA MET LYS LEU ALA VAL ASP GLU ILE ASN LYS ASP SEQRES 8 A 513 ALA GLY THR GLN ALA LEU LEU PRO GLY VAL VAL LEU GLY SEQRES 9 A 513 TYR GLN LEU TYR ASP THR CYS THR VAL SER ALA GLY ILE SEQRES 10 A 513 LEU ALA SER LEU ASP VAL LEU GLU TYR TRP SER PRO SER SEQRES 11 A 513 ALA SER GLY LYS VAL PRO ASN PHE ASP ILE SER GLN ARG SEQRES 12 A 513 PRO LEU ALA VAL ILE GLY PRO ASP SER SER SER ASN SER SEQRES 13 A 513 PHE THR PRO ALA THR LEU LEU GLY ALA HIS LEU ILE PRO SEQRES 14 A 513 GLN ILE SER TYR GLU ALA SER ASN GLU MET LEU SER ASN SEQRES 15 A 513 LYS VAL LEU TYR PRO SER PHE PHE ARG THR ILE PRO SER SEQRES 16 A 513 ASP LYS ASN GLN VAL ALA ALA MET ILE GLN LEU LEU VAL SEQRES 17 A 513 ARG PHE ASN TRP THR TRP ILE ALA LEU LEU GLY SER ASP SEQRES 18 A 513 ASN SER TYR GLY LEU GLU GLY MET GLN SER LEU SER GLN SEQRES 19 A 513 GLN ALA PRO GLU PHE ASN ILE SER ILE ALA TYR GLN GLY SEQRES 20 A 513 VAL ILE PRO GLY TYR THR GLN ASP THR VAL GLN VAL MET SEQRES 21 A 513 ARG ASN ILE VAL ASP SER ILE LEU LYS THR LYS VAL THR SEQRES 22 A 513 THR ILE VAL VAL PHE SER SER LYS SER LYS LEU SER LYS SEQRES 23 A 513 PHE MET PRO PHE VAL ILE GLU GLN LYS VAL THR GLY LYS SEQRES 24 A 513 VAL TRP ILE GLY THR GLU ASP TRP SER PRO SER SER LEU SEQRES 25 A 513 ILE SER GLY ILE PRO GLY ILE HIS THR ILE GLY THR VAL SEQRES 26 A 513 ILE GLY VAL ALA VAL LYS TYR THR ILE ILE PRO GLY PHE SEQRES 27 A 513 GLU LYS ARG LEU VAL GLU ALA SER LEU HIS GLN SER ASN SEQRES 28 A 513 ASP GLY ASN ALA SER ASN VAL THR ALA ASN LEU SER ASN SEQRES 29 A 513 THR CYS LEU GLN SER ARG ASP LEU TYR SER LEU ALA GLU SEQRES 30 A 513 MET ASN PHE PRO LEU ASP ASN TYR ASP ILE THR SER ALA SEQRES 31 A 513 ILE ASN VAL TYR LYS ALA VAL TYR ALA VAL ALA HIS ALA SEQRES 32 A 513 LEU HIS GLN VAL LEU ASP CYS ASP SER GLY GLU CYS GLN SEQRES 33 A 513 ARG LYS ARG VAL TYR PRO TRP GLU LEU LEU SER ARG LEU SEQRES 34 A 513 LYS GLN VAL ARG PHE LEU MET ALA ASN SER SER VAL TYR SEQRES 35 A 513 PHE ASP SER ASN GLY ASP PRO PRO THR GLY TYR ASP ILE SEQRES 36 A 513 ILE CYS TRP VAL TRP HIS GLY THR GLU TRP SER VAL ARG SEQRES 37 A 513 ARG VAL GLY SER PHE SER PRO ASN PRO ILE SER LEU THR SEQRES 38 A 513 ILE ASP ALA ASP LYS ILE GLU TRP HIS ILE SER GLY ASP SEQRES 39 A 513 SER ARG SER VAL PRO GLN SER GLY VAL ALA MET PRO GLY SEQRES 40 A 513 ALA GLU ASP ASP VAL VAL SEQRES 1 B 504 MET ALA VAL SER PRO THR LEU LEU VAL LEU PHE TRP VAL SEQRES 2 B 504 PHE LYS MET THR SER ALA THR PRO ALA TRP PHE GLN ASN SEQRES 3 B 504 ILE SER THR SER LEU PHE ASN LEU PRO GLY ASP ILE LYS SEQRES 4 B 504 LEU GLY GLY LEU PHE PRO LEU ASN ARG LEU THR SER ASN SEQRES 5 B 504 LEU SER GLN ARG THR GLU PRO ASP GLN ILE SER CYS ASP SEQRES 6 B 504 ARG ILE ASN THR TYR GLY LEU GLY MET ALA ILE ALA MET SEQRES 7 B 504 LYS TYR THR VAL ASP GLU ILE ASN ALA ASN GLN ILE LEU SEQRES 8 B 504 LEU PRO GLY ILE GLN LEU GLY TYR GLU ILE TYR ASP THR SEQRES 9 B 504 CYS LEU GLN SER ALA ILE ILE VAL ARG PRO THR LEU SER SEQRES 10 B 504 LEU LEU SER ALA LYS HIS ASP ASN THR LEU SER VAL GLN SEQRES 11 B 504 CYS ASN TYR THR ASN TYR GLU THR SER ILE SER ALA VAL SEQRES 12 B 504 ILE GLY PRO ASN ASN SER GLU MET VAL SER VAL ILE GLY SEQRES 13 B 504 LYS LEU LEU GLY PHE PHE LEU MET PRO GLN ILE SER TYR SEQRES 14 B 504 GLY ALA THR SER GLU LYS PHE SER ASP THR ALA LEU TYR SEQRES 15 B 504 PRO SER PHE PHE ARG THR VAL PRO SER ASP LYS TRP GLN SEQRES 16 B 504 VAL GLU ALA MET VAL LEU LEU LEU GLU GLU PHE ASN TRP SEQRES 17 B 504 ASN TRP VAL ALA VAL VAL GLY SER ASP GLU GLU TYR GLY SEQRES 18 B 504 GLN ARG GLY VAL GLN ASP PHE SER LYS LEU ALA ALA ASN SEQRES 19 B 504 LYS SER ILE SER VAL ALA TYR GLN GLY LEU ILE PRO VAL SEQRES 20 B 504 TYR THR ASP PRO GLU PRO MET VAL LYS THR ILE LEU SER SEQRES 21 B 504 ASN ILE ASN SER THR LYS ALA ARG VAL VAL ILE VAL PHE SEQRES 22 B 504 SER LEU SER ASN GLN ALA GLU ILE PHE PHE LYS GLU VAL SEQRES 23 B 504 ILE ARG MET LYS LEU LYS GLY VAL TRP ILE GLY SER THR SEQRES 24 B 504 SER TRP THR ILE ASN ASP ALA VAL THR SER LEU PRO ASP SEQRES 25 B 504 ILE GLN THR VAL GLY THR ILE LEU GLY PHE VAL GLU GLN SEQRES 26 B 504 THR GLN SER VAL ASP LEU LEU ARG ALA TYR THR TYR ALA SEQRES 27 B 504 LEU LEU ASN LYS LEU SER GLU GLU ARG ALA HIS THR ARG SEQRES 28 B 504 SER SER ALA GLN ASN SER ASN TYR PRO SER ASN PRO CYS SEQRES 29 B 504 PRO GLN CYS TRP ASN LEU SER PRO ALA ASN ILE SER LEU SEQRES 30 B 504 VAL THR ASP LEU VAL ILE GLN ARG LYS ALA PHE SER VAL SEQRES 31 B 504 TYR ALA ALA ILE TYR SER VAL ALA GLN ALA LEU HIS ASN SEQRES 32 B 504 PHE LEU GLN CYS ASN SER THR ALA CYS LYS ASN THR SER SEQRES 33 B 504 GLU VAL LYS ILE TYR PRO TRP LYS LEU LEU LYS THR LEU SEQRES 34 B 504 ARG HIS THR LYS VAL ASP ILE ASN GLY THR MET LEU GLU SEQRES 35 B 504 PHE ASP SER ASN GLY ASN PRO ASN VAL GLY TYR ASN LEU SEQRES 36 B 504 ILE GLU LEU ILE TRP LYS ASN SER THR LEU GLU PHE VAL SEQRES 37 B 504 GLU VAL GLY SER PHE ASN LYS ILE LEU ASN ILE ASN VAL SEQRES 38 B 504 SER LEU PHE LYS TRP HIS THR GLU THR SER GLU VAL PRO SEQRES 39 B 504 GLN SER ASP TYR LYS ASP ASP ASP ASP LYS HET NAG C 1 14 HET NAG C 2 14 HET NAG A 901 14 HET NAG A 902 14 HET NAG A 903 14 HET DPN A 904 12 HET NA A 905 1 HET NAG B 901 14 HET NAG B 902 14 HET DPN B 903 12 HET CL B 904 1 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM DPN D-PHENYLALANINE HETNAM NA SODIUM ION HETNAM CL CHLORIDE ION 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 7(C8 H15 N O6) FORMUL 7 DPN 2(C9 H11 N O2) FORMUL 8 NA NA 1+ FORMUL 12 CL CL 1- FORMUL 13 HOH *27(H2 O) HELIX 1 AA1 GLY A 32 GLY A 34 5 3 HELIX 2 AA2 LEU A 64 GLY A 68 5 5 HELIX 3 AA3 ASN A 71 LYS A 90 1 20 HELIX 4 AA4 THR A 112 TYR A 126 1 15 HELIX 5 AA5 SER A 153 ASN A 155 5 3 HELIX 6 AA6 SER A 156 HIS A 166 1 11 HELIX 7 AA7 ASN A 177 ASN A 182 5 6 HELIX 8 AA8 SER A 195 PHE A 210 1 16 HELIX 9 AA9 ASN A 222 ALA A 236 1 15 HELIX 10 AB1 PRO A 237 ASN A 240 5 4 HELIX 11 AB2 THR A 253 THR A 270 1 18 HELIX 12 AB3 SER A 280 GLN A 294 1 15 HELIX 13 AB4 SER A 310 GLY A 315 1 6 HELIX 14 AB5 GLY A 318 THR A 321 5 4 HELIX 15 AB6 GLY A 337 ALA A 345 1 9 HELIX 16 AB7 THR A 365 SER A 369 5 5 HELIX 17 AB8 ASP A 371 GLU A 377 1 7 HELIX 18 AB9 ASP A 383 LEU A 408 1 26 HELIX 19 AC1 TYR A 421 GLN A 431 1 11 HELIX 20 AC2 ALA A 484 ILE A 487 5 4 HELIX 21 AC3 PRO B 21 ASN B 26 5 6 HELIX 22 AC4 ASN B 52 ARG B 56 5 5 HELIX 23 AC5 ASN B 68 ASN B 88 1 21 HELIX 24 AC6 GLN B 107 LEU B 119 1 13 HELIX 25 AC7 ASN B 148 PHE B 162 1 15 HELIX 26 AC8 SER B 173 ASP B 178 5 6 HELIX 27 AC9 ASP B 192 PHE B 206 1 15 HELIX 28 AD1 GLU B 218 LYS B 235 1 18 HELIX 29 AD2 PRO B 251 LYS B 266 1 16 HELIX 30 AD3 LEU B 275 MET B 289 1 15 HELIX 31 AD4 ASN B 304 SER B 309 1 6 HELIX 32 AD5 ASP B 312 GLY B 317 5 6 HELIX 33 AD6 LEU B 331 ALA B 348 1 18 HELIX 34 AD7 SER B 371 ASN B 374 5 4 HELIX 35 AD8 ILE B 375 ASP B 380 1 6 HELIX 36 AD9 ASP B 380 LEU B 405 1 26 HELIX 37 AE1 TYR B 421 HIS B 431 1 11 HELIX 38 AE2 VAL B 481 LYS B 485 5 5 SHEET 1 AA1 6 GLN A 36 LEU A 37 0 SHEET 2 AA1 6 LEU A 103 ASP A 109 -1 O TYR A 105 N LEU A 37 SHEET 3 AA1 6 PHE A 41 PHE A 47 1 N PHE A 41 O GLY A 104 SHEET 4 AA1 6 PRO A 144 ILE A 148 1 O ILE A 148 N PHE A 46 SHEET 5 AA1 6 GLN A 170 SER A 172 1 O ILE A 171 N VAL A 147 SHEET 6 AA1 6 PHE A 189 ARG A 191 1 O PHE A 190 N SER A 172 SHEET 1 AA2 2 HIS A 50 TYR A 51 0 SHEET 2 AA2 2 GLU A 69 ILE A 70 -1 O GLU A 69 N TYR A 51 SHEET 1 AA3 8 SER A 242 ILE A 249 0 SHEET 2 AA3 8 TRP A 214 SER A 220 1 N ILE A 215 O ALA A 244 SHEET 3 AA3 8 THR A 274 PHE A 278 1 O VAL A 276 N LEU A 218 SHEET 4 AA3 8 LYS A 299 GLY A 303 1 O VAL A 300 N ILE A 275 SHEET 5 AA3 8 GLY A 323 VAL A 330 1 O THR A 324 N TRP A 301 SHEET 6 AA3 8 TYR A 453 HIS A 461 -1 O ASP A 454 N ALA A 329 SHEET 7 AA3 8 GLU A 464 SER A 474 -1 O GLU A 464 N HIS A 461 SHEET 8 AA3 8 SER A 479 ILE A 482 -1 O SER A 479 N SER A 474 SHEET 1 AA4 2 ARG A 433 MET A 436 0 SHEET 2 AA4 2 SER A 439 TYR A 442 -1 O VAL A 441 N PHE A 434 SHEET 1 AA5 6 ASN B 33 LEU B 34 0 SHEET 2 AA5 6 LEU B 97 ASP B 103 -1 O TYR B 99 N LEU B 34 SHEET 3 AA5 6 ILE B 38 PHE B 44 1 N PHE B 44 O TYR B 102 SHEET 4 AA5 6 ILE B 140 ILE B 144 1 O ILE B 144 N GLY B 41 SHEET 5 AA5 6 GLN B 166 SER B 168 1 O ILE B 167 N VAL B 143 SHEET 6 AA5 6 PHE B 185 ARG B 187 1 O PHE B 186 N SER B 168 SHEET 1 AA6 2 ASN B 47 ARG B 48 0 SHEET 2 AA6 2 ARG B 66 ILE B 67 -1 O ARG B 66 N ARG B 48 SHEET 1 AA7 8 SER B 238 ILE B 245 0 SHEET 2 AA7 8 TRP B 210 SER B 216 1 N VAL B 211 O ALA B 240 SHEET 3 AA7 8 VAL B 269 PHE B 273 1 O ILE B 271 N ALA B 212 SHEET 4 AA7 8 VAL B 294 GLY B 297 1 O ILE B 296 N VAL B 272 SHEET 5 AA7 8 THR B 318 GLU B 324 1 O LEU B 320 N TRP B 295 SHEET 6 AA7 8 TYR B 453 LEU B 458 -1 O ILE B 456 N GLY B 321 SHEET 7 AA7 8 PHE B 467 PHE B 473 -1 O PHE B 473 N TYR B 453 SHEET 8 AA7 8 LEU B 477 ILE B 479 -1 O ASN B 478 N SER B 472 SHEET 1 AA8 2 VAL B 434 ILE B 436 0 SHEET 2 AA8 2 THR B 439 LEU B 441 -1 O LEU B 441 N VAL B 434 SSBOND 1 CYS A 65 CYS A 111 1555 1555 2.03 SSBOND 2 CYS A 366 CYS B 131 1555 1555 2.03 SSBOND 3 CYS A 410 CYS A 415 1555 1555 2.03 SSBOND 4 CYS B 64 CYS B 105 1555 1555 2.03 SSBOND 5 CYS B 364 CYS B 367 1555 1555 2.03 SSBOND 6 CYS B 407 CYS B 412 1555 1555 2.03 LINK ND2 ASN A 40 C1 NAG A 901 1555 1555 1.44 LINK ND2 ASN A 211 C1 NAG A 902 1555 1555 1.44 LINK ND2 ASN A 240 C1 NAG A 903 1555 1555 1.44 LINK ND2 ASN B 52 C1 NAG B 901 1555 1555 1.43 LINK ND2 ASN B 132 C1 NAG C 1 1555 1555 1.44 LINK ND2 ASN B 374 C1 NAG B 902 1555 1555 1.44 LINK O4 NAG C 1 C1 NAG C 2 1555 1555 1.43 LINK O ILE A 88 NA NA A 905 1555 1555 2.26 LINK O LEU A 97 NA NA A 905 1555 1555 2.21 LINK O LEU A 98 NA NA A 905 1555 1555 2.79 LINK NA NA A 905 O HOH A1001 1555 1555 2.69 CISPEP 1 GLY A 149 PRO A 150 0 -1.88 CISPEP 2 ASN A 476 PRO A 477 0 -2.64 CISPEP 3 GLY B 145 PRO B 146 0 0.65 CRYST1 99.460 106.900 101.670 90.00 91.91 90.00 C 1 2 1 4 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 0.010054 0.000000 0.000336 0.00000 SCALE2 0.000000 0.009355 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009841 0.00000 CONECT 124 7133 CONECT 316 668 CONECT 494 7187 CONECT 557 7187 CONECT 565 7187 CONECT 668 316 CONECT 1393 7147 CONECT 1621 7161 CONECT 2496 4373 CONECT 2846 2879 CONECT 2879 2846 CONECT 3764 7188 CONECT 3858 4178 CONECT 4178 3858 CONECT 4373 2496 CONECT 4381 7105 CONECT 6125 6147 CONECT 6147 6125 CONECT 6203 7202 CONECT 6462 6494 CONECT 6494 6462 CONECT 7105 4381 7106 7116 CONECT 7106 7105 7107 7113 CONECT 7107 7106 7108 7114 CONECT 7108 7107 7109 7115 CONECT 7109 7108 7110 7116 CONECT 7110 7109 7117 CONECT 7111 7112 7113 7118 CONECT 7112 7111 CONECT 7113 7106 7111 CONECT 7114 7107 CONECT 7115 7108 7119 CONECT 7116 7105 7109 CONECT 7117 7110 CONECT 7118 7111 CONECT 7119 7115 7120 7130 CONECT 7120 7119 7121 7127 CONECT 7121 7120 7122 7128 CONECT 7122 7121 7123 7129 CONECT 7123 7122 7124 7130 CONECT 7124 7123 7131 CONECT 7125 7126 7127 7132 CONECT 7126 7125 CONECT 7127 7120 7125 CONECT 7128 7121 CONECT 7129 7122 CONECT 7130 7119 7123 CONECT 7131 7124 CONECT 7132 7125 CONECT 7133 124 7134 7144 CONECT 7134 7133 7135 7141 CONECT 7135 7134 7136 7142 CONECT 7136 7135 7137 7143 CONECT 7137 7136 7138 7144 CONECT 7138 7137 7145 CONECT 7139 7140 7141 7146 CONECT 7140 7139 CONECT 7141 7134 7139 CONECT 7142 7135 CONECT 7143 7136 CONECT 7144 7133 7137 CONECT 7145 7138 CONECT 7146 7139 CONECT 7147 1393 7148 7158 CONECT 7148 7147 7149 7155 CONECT 7149 7148 7150 7156 CONECT 7150 7149 7151 7157 CONECT 7151 7150 7152 7158 CONECT 7152 7151 7159 CONECT 7153 7154 7155 7160 CONECT 7154 7153 CONECT 7155 7148 7153 CONECT 7156 7149 CONECT 7157 7150 CONECT 7158 7147 7151 CONECT 7159 7152 CONECT 7160 7153 CONECT 7161 1621 7162 7172 CONECT 7162 7161 7163 7169 CONECT 7163 7162 7164 7170 CONECT 7164 7163 7165 7171 CONECT 7165 7164 7166 7172 CONECT 7166 7165 7173 CONECT 7167 7168 7169 7174 CONECT 7168 7167 CONECT 7169 7162 7167 CONECT 7170 7163 CONECT 7171 7164 CONECT 7172 7161 7165 CONECT 7173 7166 CONECT 7174 7167 CONECT 7175 7176 CONECT 7176 7175 7177 7180 CONECT 7177 7176 7178 7179 CONECT 7178 7177 CONECT 7179 7177 CONECT 7180 7176 7181 CONECT 7181 7180 7182 7183 CONECT 7182 7181 7184 CONECT 7183 7181 7185 CONECT 7184 7182 7186 CONECT 7185 7183 7186 CONECT 7186 7184 7185 CONECT 7187 494 557 565 7229 CONECT 7188 3764 7189 7199 CONECT 7189 7188 7190 7196 CONECT 7190 7189 7191 7197 CONECT 7191 7190 7192 7198 CONECT 7192 7191 7193 7199 CONECT 7193 7192 7200 CONECT 7194 7195 7196 7201 CONECT 7195 7194 CONECT 7196 7189 7194 CONECT 7197 7190 CONECT 7198 7191 CONECT 7199 7188 7192 CONECT 7200 7193 CONECT 7201 7194 CONECT 7202 6203 7203 7213 CONECT 7203 7202 7204 7210 CONECT 7204 7203 7205 7211 CONECT 7205 7204 7206 7212 CONECT 7206 7205 7207 7213 CONECT 7207 7206 7214 CONECT 7208 7209 7210 7215 CONECT 7209 7208 CONECT 7210 7203 7208 CONECT 7211 7204 CONECT 7212 7205 CONECT 7213 7202 7206 CONECT 7214 7207 CONECT 7215 7208 CONECT 7216 7217 CONECT 7217 7216 7218 7221 CONECT 7218 7217 7219 7220 CONECT 7219 7218 CONECT 7220 7218 CONECT 7221 7217 7222 CONECT 7222 7221 7223 7224 CONECT 7223 7222 7225 CONECT 7224 7222 7226 CONECT 7225 7223 7227 CONECT 7226 7224 7227 CONECT 7227 7225 7226 CONECT 7229 7187 MASTER 384 0 11 38 36 0 0 6 7253 2 145 79 END