HEADER SUGAR BINDING PROTEIN 16-AUG-18 6EFC TITLE HSA SIGLEC + UNIQUE DOMAINS (UNLIGANDED) COMPND MOL_ID: 1; COMPND 2 MOLECULE: STREPTOCOCCAL HEMAGGLUTININ; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 220-453; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOCOCCUS GORDONII STR. CHALLIS; SOURCE 3 ORGANISM_TAXID: 29390; SOURCE 4 GENE: HSA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS LECTIN, SUGAR BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR T.M.IVERSON REVDAT 2 01-JUN-22 6EFC 1 JRNL REVDAT 1 19-FEB-20 6EFC 0 JRNL AUTH B.A.BENSING,H.E.STUBBS,R.AGARWAL,I.YAMAKAWA,K.LUONG, JRNL AUTH 2 K.SOLAKYILDIRIM,H.YU,A.HADADIANPOUR,M.A.CASTRO, JRNL AUTH 3 K.P.FIALKOWSKI,K.M.MORRISON,Z.WAWRZAK,X.CHEN,C.B.LEBRILLA, JRNL AUTH 4 J.BAUDRY,J.C.SMITH,P.M.SULLAM,T.M.IVERSON JRNL TITL ORIGINS OF GLYCAN SELECTIVITY IN STREPTOCOCCAL SIGLEC-LIKE JRNL TITL 2 ADHESINS SUGGEST MECHANISMS OF RECEPTOR ADAPTATION. JRNL REF NAT COMMUN V. 13 2753 2022 JRNL REFN ESSN 2041-1723 JRNL PMID 35585145 JRNL DOI 10.1038/S41467-022-30509-Y REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.14_3211) 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.45 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.3 REMARK 3 NUMBER OF REFLECTIONS : 39072 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.147 REMARK 3 R VALUE (WORKING SET) : 0.146 REMARK 3 FREE R VALUE : 0.179 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.010 REMARK 3 FREE R VALUE TEST SET COUNT : 1958 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 29.4588 - 3.3727 0.98 2936 155 0.1577 0.1667 REMARK 3 2 3.3727 - 2.6776 1.00 2867 152 0.1523 0.1822 REMARK 3 3 2.6776 - 2.3393 1.00 2826 149 0.1411 0.1475 REMARK 3 4 2.3393 - 2.1255 1.00 2819 148 0.1296 0.1840 REMARK 3 5 2.1255 - 1.9731 1.00 2824 149 0.1321 0.1886 REMARK 3 6 1.9731 - 1.8568 1.00 2787 147 0.1305 0.1976 REMARK 3 7 1.8568 - 1.7639 1.00 2787 146 0.1326 0.1882 REMARK 3 8 1.7639 - 1.6871 1.00 2797 147 0.1255 0.1828 REMARK 3 9 1.6871 - 1.6221 1.00 2778 147 0.1290 0.1838 REMARK 3 10 1.6221 - 1.5662 1.00 2757 147 0.1324 0.1735 REMARK 3 11 1.5662 - 1.5172 0.98 2734 144 0.1509 0.2036 REMARK 3 12 1.5172 - 1.4738 0.87 2412 127 0.1660 0.2238 REMARK 3 13 1.4738 - 1.4350 0.74 2050 108 0.1817 0.2886 REMARK 3 14 1.4350 - 1.4000 0.63 1740 92 0.1982 0.2583 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.130 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.000 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 : 0.009 1684 REMARK 3 ANGLE : 1.174 2319 REMARK 3 CHIRALITY : 0.091 263 REMARK 3 PLANARITY : 0.007 317 REMARK 3 DIHEDRAL : 13.534 635 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 6EFC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-AUG-18. REMARK 100 THE DEPOSITION ID IS D_1000236229. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-DEC-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-F REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 39091 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 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 (%) : 93.3 REMARK 200 DATA REDUNDANCY : 12.60 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 49.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.43 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.32 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.99 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M SPG PH 10.0, 25% PEG3350, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 23.31750 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 37.98650 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.08650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 37.98650 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 23.31750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.08650 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 LEU A 220 REMARK 465 ASN A 221 REMARK 465 THR A 222 REMARK 465 ASN A 223 REMARK 465 GLN A 224 REMARK 465 SER A 225 REMARK 465 VAL A 226 REMARK 465 SER A 227 REMARK 465 ALA A 228 REMARK 465 ARG A 229 REMARK 465 ASN A 230 REMARK 465 GLN A 231 REMARK 465 ASN A 232 REMARK 465 ALA A 233 REMARK 465 ARG A 234 REMARK 465 VAL A 235 REMARK 465 ARG A 236 REMARK 465 THR A 237 REMARK 465 ARG A 238 REMARK 465 ARG A 239 REMARK 465 ALA A 240 REMARK 465 VAL A 241 REMARK 465 ALA A 242 REMARK 465 ALA A 243 REMARK 465 ILE A 449 REMARK 465 SER A 450 REMARK 465 LYS A 451 REMARK 465 SER A 452 REMARK 465 ASN A 453 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 LYS A 252 CG CD CE NZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES 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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) 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 ATM2 ATM3 REMARK 500 ASN A 333 CB - CA - C ANGL. DEV. = 15.2 DEGREES 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 SER A 253 -122.55 -115.02 REMARK 500 ASN A 305 33.50 70.81 REMARK 500 ALA A 312 58.84 -145.24 REMARK 500 ASN A 316 74.14 -153.92 REMARK 500 ASN A 333 -99.78 -113.55 REMARK 500 LEU A 363 -121.62 -104.97 REMARK 500 SER A 383 141.44 120.35 REMARK 500 ASN A 392 79.14 -155.40 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 934 DISTANCE = 5.99 ANGSTROMS REMARK 525 HOH A 935 DISTANCE = 6.07 ANGSTROMS REMARK 525 HOH A 936 DISTANCE = 6.30 ANGSTROMS REMARK 525 HOH A 937 DISTANCE = 6.61 ANGSTROMS 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 CA A 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 245 OD1 REMARK 620 2 ASP A 245 OD2 51.9 REMARK 620 3 GLU A 247 O 83.7 130.7 REMARK 620 4 ASP A 272 OD1 167.6 138.8 88.5 REMARK 620 5 ASP A 272 OD2 135.5 87.3 140.6 52.3 REMARK 620 6 ASN A 273 OD1 82.7 95.5 99.1 89.1 84.7 REMARK 620 7 ASP A 346 OD2 94.5 80.7 83.1 94.2 95.6 176.2 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 502 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 374 O REMARK 620 2 TYR A 377 O 84.5 REMARK 620 3 ASP A 436 OD1 105.2 150.7 REMARK 620 4 ASP A 436 OD2 95.9 101.5 50.7 REMARK 620 5 HOH A 820 O 88.7 122.5 85.9 136.0 REMARK 620 6 HOH A 830 O 163.9 97.1 81.2 99.4 76.9 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NA A 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 6EFD RELATED DB: PDB REMARK 900 RELATED ID: 6EFF RELATED DB: PDB REMARK 900 RELATED ID: 6EFI RELATED DB: PDB REMARK 900 RELATED ID: 6EF7 RELATED DB: PDB REMARK 900 RELATED ID: 5IUC RELATED DB: PDB REMARK 900 RELATED ID: 6EF9 RELATED DB: PDB REMARK 900 RELATED ID: 6EFA RELATED DB: PDB REMARK 900 RELATED ID: 6EFB RELATED DB: PDB DBREF 6EFC A 220 453 UNP Q9KWR3 Q9KWR3_STRGN 220 453 SEQRES 1 A 234 LEU ASN THR ASN GLN SER VAL SER ALA ARG ASN GLN ASN SEQRES 2 A 234 ALA ARG VAL ARG THR ARG ARG ALA VAL ALA ALA ASN ASP SEQRES 3 A 234 THR GLU ALA PRO GLN VAL LYS SER GLY ASP TYR VAL VAL SEQRES 4 A 234 TYR ARG GLY GLU SER PHE GLU TYR TYR ALA GLU ILE THR SEQRES 5 A 234 ASP ASN SER GLY GLN VAL ASN ARG VAL VAL ILE ARG ASN SEQRES 6 A 234 VAL GLU GLY GLY ALA ASN SER THR TYR LEU SER PRO ASN SEQRES 7 A 234 TRP VAL LYS TYR SER THR GLU ASN LEU GLY ARG PRO GLY SEQRES 8 A 234 ASN ALA THR VAL GLN ASN PRO LEU ARG THR ARG ILE PHE SEQRES 9 A 234 GLY GLU VAL PRO LEU ASN GLU ILE VAL ASN GLU LYS SER SEQRES 10 A 234 TYR TYR THR ARG TYR ILE VAL ALA TRP ASP PRO SER GLY SEQRES 11 A 234 ASN ALA THR GLN MET VAL ASP ASN ALA ASN ARG ASN GLY SEQRES 12 A 234 LEU GLU ARG PHE VAL LEU THR VAL LYS SER GLN ASN GLU SEQRES 13 A 234 LYS TYR ASP PRO ALA GLU SER SER VAL THR TYR VAL ASN SEQRES 14 A 234 ASN LEU SER ASN LEU SER THR SER GLU ARG GLU ALA VAL SEQRES 15 A 234 ALA ALA ALA VAL ARG ALA ALA ASN PRO ASN ILE PRO PRO SEQRES 16 A 234 THR ALA LYS ILE THR VAL SER GLN ASN GLY THR VAL THR SEQRES 17 A 234 ILE THR TYR PRO ASP LYS SER THR ASP THR ILE PRO ALA SEQRES 18 A 234 ASN ARG VAL VAL LYS ASP LEU GLN ILE SER LYS SER ASN HET CA A 501 1 HET NA A 502 1 HETNAM CA CALCIUM ION HETNAM NA SODIUM ION FORMUL 2 CA CA 2+ FORMUL 3 NA NA 1+ FORMUL 4 HOH *337(H2 O) HELIX 1 AA1 ASN A 357 ASN A 361 5 5 HELIX 2 AA2 GLN A 373 TYR A 377 5 5 HELIX 3 AA3 SER A 394 ASN A 409 1 16 HELIX 4 AA4 PRO A 439 ARG A 442 5 4 SHEET 1 AA1 4 GLN A 250 LYS A 252 0 SHEET 2 AA1 4 SER A 263 THR A 271 -1 O GLU A 269 N LYS A 252 SHEET 3 AA1 4 LEU A 318 GLU A 325 -1 O ILE A 322 N TYR A 266 SHEET 4 AA1 4 LYS A 300 THR A 303 -1 N LYS A 300 O PHE A 323 SHEET 1 AA2 4 TYR A 256 TYR A 259 0 SHEET 2 AA2 4 ARG A 365 LYS A 371 1 O THR A 369 N VAL A 258 SHEET 3 AA2 4 LYS A 335 TRP A 345 -1 N TYR A 338 O LEU A 368 SHEET 4 AA2 4 ARG A 279 ARG A 283 -1 N VAL A 281 O VAL A 343 SHEET 1 AA3 2 THR A 385 VAL A 387 0 SHEET 2 AA3 2 VAL A 444 ASP A 446 1 O LYS A 445 N VAL A 387 SHEET 1 AA4 3 LYS A 417 VAL A 420 0 SHEET 2 AA4 3 VAL A 426 THR A 429 -1 O THR A 427 N THR A 419 SHEET 3 AA4 3 THR A 435 ILE A 438 -1 O ASP A 436 N ILE A 428 LINK OD1 ASP A 245 CA CA A 501 1555 1555 2.52 LINK OD2 ASP A 245 CA CA A 501 1555 1555 2.45 LINK O GLU A 247 CA CA A 501 1555 1555 2.25 LINK OD1 ASP A 272 CA CA A 501 1555 1555 2.47 LINK OD2 ASP A 272 CA CA A 501 1555 1555 2.52 LINK OD1 ASN A 273 CA CA A 501 1555 1555 2.28 LINK OD2 ASP A 346 CA CA A 501 1555 1555 2.33 LINK O ASN A 374 NA NA A 502 1555 1555 2.29 LINK O TYR A 377 NA NA A 502 1555 1555 2.18 LINK OD1 ASP A 436 NA NA A 502 1555 1555 2.68 LINK OD2 ASP A 436 NA NA A 502 1555 1555 2.40 LINK NA NA A 502 O HOH A 820 1555 1555 2.21 LINK NA NA A 502 O HOH A 830 1555 1555 2.35 CISPEP 1 SER A 295 PRO A 296 0 -7.68 SITE 1 AC1 5 ASP A 245 GLU A 247 ASP A 272 ASN A 273 SITE 2 AC1 5 ASP A 346 SITE 1 AC2 5 ASN A 374 TYR A 377 ASP A 436 HOH A 820 SITE 2 AC2 5 HOH A 830 CRYST1 46.635 58.173 75.973 90.00 90.00 90.00 P 21 21 21 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 0.021443 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017190 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013163 0.00000