HEADER IMMUNE SYSTEM 30-OCT-18 6MX0 TITLE CRYSTAL STRUCTURE OF HUMAN STING APOPROTEIN (G230A, H232R, R293Q) COMPND MOL_ID: 1; COMPND 2 MOLECULE: STIMULATOR OF INTERFERON GENES PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: C-TERMINAL DOMAIN; COMPND 5 SYNONYM: HSTING,ENDOPLASMIC RETICULUM INTERFERON STIMULATOR,ERIS, COMPND 6 MEDIATOR OF IRF3 ACTIVATION,HMITA,TRANSMEMBRANE PROTEIN 173; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: TMEM173, ERIS, MITA, STING; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS INNATE IMMUNITY, SIGNALING, OPEN CONFORMATION, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR C.A.LESBURG,T.SIU,T.HO REVDAT 3 11-OCT-23 6MX0 1 REMARK LINK REVDAT 2 30-JAN-19 6MX0 1 JRNL REVDAT 1 19-DEC-18 6MX0 0 JRNL AUTH T.SIU,M.D.ALTMAN,G.A.BALTUS,M.CHILDERS,J.M.ELLIS,H.GUNAYDIN, JRNL AUTH 2 H.HATCH,T.HO,J.JEWELL,B.M.LACEY,C.A.LESBURG,B.S.PAN, JRNL AUTH 3 B.SAUVAGNAT,G.K.SCHROEDER,S.XU JRNL TITL DISCOVERY OF A NOVEL CGAMP COMPETITIVE LIGAND OF THE JRNL TITL 2 INACTIVE FORM OF STING. JRNL REF ACS MED CHEM LETT V. 10 92 2019 JRNL REFN ISSN 1948-5875 JRNL PMID 30655953 JRNL DOI 10.1021/ACSMEDCHEMLETT.8B00466 REMARK 2 REMARK 2 RESOLUTION. 1.73 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.11.7 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.73 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.16 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 36439 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.208 REMARK 3 R VALUE (WORKING SET) : 0.208 REMARK 3 FREE R VALUE : 0.220 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.740 REMARK 3 FREE R VALUE TEST SET COUNT : 1728 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 18 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 1.73 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 1.78 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.90 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 2942 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2342 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2815 REMARK 3 BIN R VALUE (WORKING SET) : 0.2339 REMARK 3 BIN FREE R VALUE : 0.2408 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.32 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 127 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.000 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2744 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 199 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 33.63 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 42.23 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -12.37870 REMARK 3 B22 (A**2) : 2.79850 REMARK 3 B33 (A**2) : 9.58020 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.260 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.129 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.110 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.126 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.109 REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.940 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.943 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 2853 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 3878 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 1002 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 86 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 413 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 2853 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : 0 ; 5.000 ; SEMIHARMONIC REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 359 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 3414 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.01 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 3.15 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 16.94 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6MX0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 31-OCT-18. REMARK 100 THE DEPOSITION ID IS D_1000237761. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-OCT-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 17-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : AUTOPROC, XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.7.1 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36685 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.726 REMARK 200 RESOLUTION RANGE LOW (A) : 63.287 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : 0.03400 REMARK 200 R SYM (I) : 0.03400 REMARK 200 FOR THE DATA SET : 24.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.73 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.76 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.70 REMARK 200 R MERGE FOR SHELL (I) : 0.70000 REMARK 200 R SYM FOR SHELL (I) : 0.70000 REMARK 200 FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: BUSTER REMARK 200 STARTING MODEL: PDBID 4EMU REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.01 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 31.0 V/V PEG 400, 0.1 M TRIS REMARK 280 HYDROCHLORIDE, 0.2 M CALCIUM CHLORIDE, PH 8, VAPOR DIFFUSION, REMARK 280 TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 63.29000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 63.29000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 35.23500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 38.73000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 35.23500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 38.73000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 63.29000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 35.23500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 38.73000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 63.29000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 35.23500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 38.73000 REMARK 290 SMTRY3 8 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: 1650 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17430 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -20.0 KCAL/MOL 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 463 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 589 LIES ON A SPECIAL POSITION. 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 GLN A 228 REMARK 465 THR A 229 REMARK 465 ALA A 230 REMARK 465 ASP A 231 REMARK 465 ARG A 232 REMARK 465 ALA A 233 REMARK 465 GLY A 234 REMARK 465 ILE A 235 REMARK 465 LYS A 236 REMARK 465 ASP A 237 REMARK 465 ARG A 238 REMARK 465 VAL A 239 REMARK 465 ALA A 318 REMARK 465 ASP A 319 REMARK 465 ASP A 320 REMARK 465 LYS A 338 REMARK 465 GLU A 339 REMARK 465 GLU A 340 REMARK 465 VAL A 341 REMARK 465 GLN B 228 REMARK 465 THR B 229 REMARK 465 ALA B 230 REMARK 465 ASP B 231 REMARK 465 ARG B 232 REMARK 465 ALA B 233 REMARK 465 GLY B 234 REMARK 465 ILE B 235 REMARK 465 LYS B 236 REMARK 465 ASP B 237 REMARK 465 ARG B 238 REMARK 465 VAL B 239 REMARK 465 GLU B 337 REMARK 465 LYS B 338 REMARK 465 GLU B 339 REMARK 465 GLU B 340 REMARK 465 VAL B 341 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 A 167 -68.86 -141.19 REMARK 500 ALA A 215 -9.77 -142.80 REMARK 500 TYR B 167 -68.82 -141.21 REMARK 500 LEU B 190 48.60 -95.74 REMARK 500 ASN B 211 -106.84 -96.61 REMARK 500 LEU B 212 -39.73 176.87 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 CA B 401 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 205 OD2 REMARK 620 2 GLU B 316 OE1 91.0 REMARK 620 3 GLU B 316 OE2 82.7 54.6 REMARK 620 4 ALA B 318 O 81.8 31.8 83.7 REMARK 620 5 ASP B 320 OD1 97.9 38.9 93.4 17.9 REMARK 620 6 HOH B 519 O 86.8 43.9 97.3 14.0 12.2 REMARK 620 7 HOH B 556 O 82.7 34.7 87.0 3.3 15.8 10.7 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA B 401 DBREF 6MX0 A 155 341 UNP Q86WV6 STING_HUMAN 155 341 DBREF 6MX0 B 155 341 UNP Q86WV6 STING_HUMAN 155 341 SEQADV 6MX0 SER A 154 UNP Q86WV6 EXPRESSION TAG SEQADV 6MX0 ALA A 230 UNP Q86WV6 GLY 230 ENGINEERED MUTATION SEQADV 6MX0 ARG A 232 UNP Q86WV6 HIS 232 ENGINEERED MUTATION SEQADV 6MX0 GLN A 293 UNP Q86WV6 ARG 293 ENGINEERED MUTATION SEQADV 6MX0 SER B 154 UNP Q86WV6 EXPRESSION TAG SEQADV 6MX0 ALA B 230 UNP Q86WV6 GLY 230 ENGINEERED MUTATION SEQADV 6MX0 ARG B 232 UNP Q86WV6 HIS 232 ENGINEERED MUTATION SEQADV 6MX0 GLN B 293 UNP Q86WV6 ARG 293 ENGINEERED MUTATION SEQRES 1 A 188 SER VAL ALA HIS GLY LEU ALA TRP SER TYR TYR ILE GLY SEQRES 2 A 188 TYR LEU ARG LEU ILE LEU PRO GLU LEU GLN ALA ARG ILE SEQRES 3 A 188 ARG THR TYR ASN GLN HIS TYR ASN ASN LEU LEU ARG GLY SEQRES 4 A 188 ALA VAL SER GLN ARG LEU TYR ILE LEU LEU PRO LEU ASP SEQRES 5 A 188 CYS GLY VAL PRO ASP ASN LEU SER MET ALA ASP PRO ASN SEQRES 6 A 188 ILE ARG PHE LEU ASP LYS LEU PRO GLN GLN THR ALA ASP SEQRES 7 A 188 ARG ALA GLY ILE LYS ASP ARG VAL TYR SER ASN SER ILE SEQRES 8 A 188 TYR GLU LEU LEU GLU ASN GLY GLN ARG ALA GLY THR CYS SEQRES 9 A 188 VAL LEU GLU TYR ALA THR PRO LEU GLN THR LEU PHE ALA SEQRES 10 A 188 MET SER GLN TYR SER GLN ALA GLY PHE SER ARG GLU ASP SEQRES 11 A 188 ARG LEU GLU GLN ALA LYS LEU PHE CYS GLN THR LEU GLU SEQRES 12 A 188 ASP ILE LEU ALA ASP ALA PRO GLU SER GLN ASN ASN CYS SEQRES 13 A 188 ARG LEU ILE ALA TYR GLN GLU PRO ALA ASP ASP SER SER SEQRES 14 A 188 PHE SER LEU SER GLN GLU VAL LEU ARG HIS LEU ARG GLN SEQRES 15 A 188 GLU GLU LYS GLU GLU VAL SEQRES 1 B 188 SER VAL ALA HIS GLY LEU ALA TRP SER TYR TYR ILE GLY SEQRES 2 B 188 TYR LEU ARG LEU ILE LEU PRO GLU LEU GLN ALA ARG ILE SEQRES 3 B 188 ARG THR TYR ASN GLN HIS TYR ASN ASN LEU LEU ARG GLY SEQRES 4 B 188 ALA VAL SER GLN ARG LEU TYR ILE LEU LEU PRO LEU ASP SEQRES 5 B 188 CYS GLY VAL PRO ASP ASN LEU SER MET ALA ASP PRO ASN SEQRES 6 B 188 ILE ARG PHE LEU ASP LYS LEU PRO GLN GLN THR ALA ASP SEQRES 7 B 188 ARG ALA GLY ILE LYS ASP ARG VAL TYR SER ASN SER ILE SEQRES 8 B 188 TYR GLU LEU LEU GLU ASN GLY GLN ARG ALA GLY THR CYS SEQRES 9 B 188 VAL LEU GLU TYR ALA THR PRO LEU GLN THR LEU PHE ALA SEQRES 10 B 188 MET SER GLN TYR SER GLN ALA GLY PHE SER ARG GLU ASP SEQRES 11 B 188 ARG LEU GLU GLN ALA LYS LEU PHE CYS GLN THR LEU GLU SEQRES 12 B 188 ASP ILE LEU ALA ASP ALA PRO GLU SER GLN ASN ASN CYS SEQRES 13 B 188 ARG LEU ILE ALA TYR GLN GLU PRO ALA ASP ASP SER SER SEQRES 14 B 188 PHE SER LEU SER GLN GLU VAL LEU ARG HIS LEU ARG GLN SEQRES 15 B 188 GLU GLU LYS GLU GLU VAL HET CA B 401 1 HETNAM CA CALCIUM ION FORMUL 3 CA CA 2+ FORMUL 4 HOH *199(H2 O) HELIX 1 AA1 VAL A 155 TYR A 167 1 13 HELIX 2 AA2 TYR A 167 TYR A 186 1 20 HELIX 3 AA3 THR A 263 GLN A 273 1 11 HELIX 4 AA4 TYR A 274 GLY A 278 5 5 HELIX 5 AA5 SER A 280 ALA A 302 1 23 HELIX 6 AA6 SER A 324 GLU A 337 1 14 HELIX 7 AA7 VAL B 155 TYR B 167 1 13 HELIX 8 AA8 TYR B 167 TYR B 186 1 20 HELIX 9 AA9 LEU B 212 ASP B 216 5 5 HELIX 10 AB1 THR B 263 TYR B 274 1 12 HELIX 11 AB2 SER B 275 GLY B 278 5 4 HELIX 12 AB3 SER B 280 ALA B 302 1 23 HELIX 13 AB4 ASP B 319 PHE B 323 5 5 HELIX 14 AB5 SER B 324 GLU B 336 1 13 SHEET 1 AA1 5 ILE A 219 LYS A 224 0 SHEET 2 AA1 5 SER A 243 GLU A 249 -1 O ILE A 244 N ASP A 223 SHEET 3 AA1 5 GLN A 252 TYR A 261 -1 O ALA A 254 N LEU A 247 SHEET 4 AA1 5 LEU A 198 PRO A 203 1 N LEU A 201 O GLU A 260 SHEET 5 AA1 5 CYS A 309 TYR A 314 1 O ILE A 312 N ILE A 200 SHEET 1 AA2 5 ILE B 219 LEU B 225 0 SHEET 2 AA2 5 ASN B 242 GLU B 249 -1 O ILE B 244 N ASP B 223 SHEET 3 AA2 5 GLN B 252 TYR B 261 -1 O ALA B 254 N LEU B 247 SHEET 4 AA2 5 LEU B 198 PRO B 203 1 N LEU B 201 O GLU B 260 SHEET 5 AA2 5 CYS B 309 TYR B 314 1 O ILE B 312 N ILE B 200 LINK OD2 ASP B 205 CA CA B 401 1555 3756 2.32 LINK OE1 GLU B 316 CA CA B 401 1555 3756 2.40 LINK OE2 GLU B 316 CA CA B 401 1555 3756 2.41 LINK O ALA B 318 CA CA B 401 1555 1555 2.36 LINK OD1 ASP B 320 CA CA B 401 1555 1555 2.28 LINK CA CA B 401 O HOH B 519 1555 3756 2.44 LINK CA CA B 401 O HOH B 556 1555 1555 2.19 SITE 1 AC1 6 ASP B 205 GLU B 316 ALA B 318 ASP B 320 SITE 2 AC1 6 HOH B 519 HOH B 556 CRYST1 70.470 77.460 126.580 90.00 90.00 90.00 C 2 2 21 16 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 0.014190 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012910 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007900 0.00000