HEADER HYDROLASE/HYDROLASE INHIBITOR 07-JUL-16 5KS7 TITLE CRYSTAL STRUCTURE OF LISTERIA MONOCYTOGENES OPUCA CBS DOMAIN DIMER IN TITLE 2 COMPLEX WITH CYCLIC-DI-AMP COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARNITINE TRANSPORT ATP-BINDING PROTEIN OPUCA; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: UNP RESIDUES 247-372; COMPND 5 EC: 3.6.3.32; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: LISTERIA MONOCYTOGENES; SOURCE 3 ORGANISM_TAXID: 1639; SOURCE 4 GENE: OPUCA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CBS DOMAIN, ABC TRANSPORTER, CYCLIC-DI-AMP, OSMOREGULATION, KEYWDS 2 HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR P.H.CHOI,L.TONG REVDAT 5 03-APR-24 5KS7 1 REMARK REVDAT 4 23-MAR-22 5KS7 1 COMPND HETNAM REVDAT 3 07-MAR-18 5KS7 1 JRNL REMARK REVDAT 2 19-OCT-16 5KS7 1 JRNL REVDAT 1 20-JUL-16 5KS7 0 JRNL AUTH T.N.HUYNH,P.H.CHOI,K.SUREKA,H.E.LEDVINA,J.CAMPILLO,L.TONG, JRNL AUTH 2 J.J.WOODWARD JRNL TITL CYCLIC DI-AMP TARGETS THE CYSTATHIONINE BETA-SYNTHASE DOMAIN JRNL TITL 2 OF THE OSMOLYTE TRANSPORTER OPUC. JRNL REF MOL.MICROBIOL. V. 102 233 2016 JRNL REFN ESSN 1365-2958 JRNL PMID 27378384 JRNL DOI 10.1111/MMI.13456 REMARK 2 REMARK 2 RESOLUTION. 2.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.7.0029 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN 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) : 43.39 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.3 REMARK 3 NUMBER OF REFLECTIONS : 6598 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) : 0.269 REMARK 3 R VALUE (WORKING SET) : 0.266 REMARK 3 FREE R VALUE : 0.323 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.700 REMARK 3 FREE R VALUE TEST SET COUNT : 327 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.05 REMARK 3 REFLECTION IN BIN (WORKING SET) : 866 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 89.88 REMARK 3 BIN R VALUE (WORKING SET) : 0.3250 REMARK 3 BIN FREE R VALUE SET COUNT : 40 REMARK 3 BIN FREE R VALUE : 0.3710 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1928 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.38000 REMARK 3 B22 (A**2) : 1.97000 REMARK 3 B33 (A**2) : 0.29000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.37000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.525 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.414 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 21.025 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.922 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.876 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1994 ; 0.013 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): 2006 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2714 ; 1.671 ; 2.010 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4596 ; 0.808 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 243 ; 8.369 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 81 ;42.056 ;24.815 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 374 ;20.643 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 14 ;20.181 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 346 ; 0.079 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2157 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 403 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 5KS7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-JUL-16. REMARK 100 THE DEPOSITION ID IS D_1000222618. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-SEP-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 9 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU MICROMAX-003 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RIGAKU SATURN 944 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6932 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.3 REMARK 200 DATA REDUNDANCY : 2.500 REMARK 200 R MERGE (I) : 0.11500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.9000 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) : 3.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.33000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.200 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: ATCBSX1 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.29 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.75 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M BICINE (PH 9.0), 3% (W/V) PEG REMARK 280 20,000, AND 2% (V/V) 1,4-DIOXANE, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 21.93050 REMARK 290 SMTRY3 2 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: 2930 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12670 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -14.0 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 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 TRP A 370 REMARK 465 GLY A 371 REMARK 465 THR A 372 REMARK 465 ASP B 247 REMARK 465 TRP B 370 REMARK 465 GLY B 371 REMARK 465 THR B 372 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 ASN A 258 CG OD1 ND2 REMARK 470 ARG A 329 CG CD NE CZ NH1 NH2 REMARK 470 VAL B 248 CG1 CG2 REMARK 470 ASN B 258 CG OD1 ND2 REMARK 470 ARG B 329 CG CD NE CZ NH1 NH2 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 OG1 THR B 263 OD1 ASP B 265 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 MET A 255 142.55 -37.88 REMARK 500 ARG A 279 63.87 60.80 REMARK 500 ASN A 290 23.06 81.32 REMARK 500 ARG A 305 -53.51 -28.06 REMARK 500 THR A 307 53.20 -115.11 REMARK 500 ALA A 308 112.36 -163.19 REMARK 500 ARG B 279 52.05 70.12 REMARK 500 ASN B 290 19.92 81.11 REMARK 500 ILE B 314 21.54 -141.72 REMARK 500 SER B 368 26.32 -76.44 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 2BA B 500 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5KS8 RELATED DB: PDB DBREF 5KS7 A 247 372 UNP Q9KHT9 OPUCA_LISMN 247 372 DBREF 5KS7 B 247 372 UNP Q9KHT9 OPUCA_LISMN 247 372 SEQRES 1 A 126 ASP VAL THR GLN VAL ALA GLN ILE MET ASN THR ASN PRO SEQRES 2 A 126 VAL SER ILE THR ALA ASP LYS SER LEU GLN ALA ALA ILE SEQRES 3 A 126 THR VAL MET LYS GLU LYS ARG VAL ASP THR LEU LEU VAL SEQRES 4 A 126 VAL ASP GLU GLY ASN VAL LEU LYS GLY PHE ILE ASP VAL SEQRES 5 A 126 GLU GLN ILE ASP LEU ASN ARG ARG THR ALA THR SER VAL SEQRES 6 A 126 MET ASP ILE ILE GLU LYS ASN VAL PHE TYR VAL TYR GLU SEQRES 7 A 126 ASP THR LEU LEU ARG ASP THR VAL GLN ARG ILE LEU LYS SEQRES 8 A 126 ARG GLY TYR LYS TYR ILE PRO VAL VAL ASP LYS ASP LYS SEQRES 9 A 126 ARG LEU VAL GLY ILE VAL THR ARG ALA SER LEU VAL ASP SEQRES 10 A 126 ILE VAL TYR ASP SER ILE TRP GLY THR SEQRES 1 B 126 ASP VAL THR GLN VAL ALA GLN ILE MET ASN THR ASN PRO SEQRES 2 B 126 VAL SER ILE THR ALA ASP LYS SER LEU GLN ALA ALA ILE SEQRES 3 B 126 THR VAL MET LYS GLU LYS ARG VAL ASP THR LEU LEU VAL SEQRES 4 B 126 VAL ASP GLU GLY ASN VAL LEU LYS GLY PHE ILE ASP VAL SEQRES 5 B 126 GLU GLN ILE ASP LEU ASN ARG ARG THR ALA THR SER VAL SEQRES 6 B 126 MET ASP ILE ILE GLU LYS ASN VAL PHE TYR VAL TYR GLU SEQRES 7 B 126 ASP THR LEU LEU ARG ASP THR VAL GLN ARG ILE LEU LYS SEQRES 8 B 126 ARG GLY TYR LYS TYR ILE PRO VAL VAL ASP LYS ASP LYS SEQRES 9 B 126 ARG LEU VAL GLY ILE VAL THR ARG ALA SER LEU VAL ASP SEQRES 10 B 126 ILE VAL TYR ASP SER ILE TRP GLY THR HET 2BA B 500 44 HETNAM 2BA (2R,3R,3AS,5R,7AR,9R,10R,10AS,12R,14AR)-2,9-BIS(6- HETNAM 2 2BA AMINO-9H-PURIN-9-YL)OCTAHYDRO-2H,7H-DIFURO[3,2-D:3', HETNAM 3 2BA 2'-J][1,3,7,9,2,8 ]TETRAOXADIPHOSPHACYCLODODECINE-3,5, HETNAM 4 2BA 10,12-TETROL 5,12-DIOXIDE HETSYN 2BA BIS-(3',5')-CYCLIC-DIMERIC-ADENOSINE-MONOPHOSPHATE FORMUL 3 2BA C20 H24 N10 O12 P2 HELIX 1 AA1 GLN A 250 MET A 255 1 6 HELIX 2 AA2 SER A 267 ARG A 279 1 13 HELIX 3 AA3 VAL A 298 ARG A 305 1 8 HELIX 4 AA4 ARG A 306 ALA A 308 5 3 HELIX 5 AA5 SER A 310 ILE A 315 5 6 HELIX 6 AA6 LEU A 327 GLY A 339 1 13 HELIX 7 AA7 ARG A 358 SER A 368 1 11 HELIX 8 AA8 GLN B 250 MET B 255 1 6 HELIX 9 AA9 SER B 267 ARG B 279 1 13 HELIX 10 AB1 VAL B 298 ARG B 305 1 8 HELIX 11 AB2 SER B 310 ILE B 315 5 6 HELIX 12 AB3 LEU B 327 GLY B 339 1 13 HELIX 13 AB4 ARG B 358 SER B 368 1 11 SHEET 1 AA1 3 SER A 261 ILE A 262 0 SHEET 2 AA1 3 THR A 282 VAL A 286 1 O VAL A 286 N ILE A 262 SHEET 3 AA1 3 LEU A 292 ASP A 297 -1 O LYS A 293 N VAL A 285 SHEET 1 AA2 3 VAL A 322 TYR A 323 0 SHEET 2 AA2 3 ILE A 343 VAL A 346 1 O VAL A 346 N VAL A 322 SHEET 3 AA2 3 LEU A 352 VAL A 356 -1 O GLY A 354 N VAL A 345 SHEET 1 AA3 3 SER B 261 ILE B 262 0 SHEET 2 AA3 3 THR B 282 VAL B 286 1 O LEU B 284 N ILE B 262 SHEET 3 AA3 3 LEU B 292 ASP B 297 -1 O LYS B 293 N VAL B 285 SHEET 1 AA4 3 VAL B 322 TYR B 323 0 SHEET 2 AA4 3 TYR B 342 VAL B 346 1 O PRO B 344 N VAL B 322 SHEET 3 AA4 3 LEU B 352 THR B 357 -1 O VAL B 353 N VAL B 345 SITE 1 AC1 19 PRO A 259 VAL A 260 VAL A 280 ASP A 281 SITE 2 AC1 19 THR A 282 LYS A 341 TYR A 342 THR A 357 SITE 3 AC1 19 ARG A 358 ALA A 359 VAL B 260 VAL B 280 SITE 4 AC1 19 ASP B 281 THR B 282 TYR B 342 ILE B 355 SITE 5 AC1 19 THR B 357 ARG B 358 ALA B 359 CRYST1 52.342 43.861 68.841 90.00 94.94 90.00 P 1 21 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 0.019105 0.000000 0.001650 0.00000 SCALE2 0.000000 0.022799 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014580 0.00000