HEADER TRANSCRIPTION 30-APR-26 13CT TITLE CRYSTAL STRUCTURE OF SULFIDE-RESPONSIVE TRANSCRIPTIONAL REPRESSOR TITLE 2 (SQRR) FROM RHODOBACTER CAPSULATUS BOUND TO DNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSCRIPTIONAL REGULATOR, ARSR FAMILY; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: RCC1451NMR; COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RHODOBACTER CAPSULATUS; SOURCE 3 ORGANISM_TAXID: 1061; SOURCE 4 GENE: RCAP_RCC01453; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 MOL_ID: 2; SOURCE 8 SYNTHETIC: YES; SOURCE 9 ORGANISM_SCIENTIFIC: RHODOBACTER CAPSULATUS; SOURCE 10 ORGANISM_TAXID: 1061 KEYWDS TRANSCRIPTIONAL REGULATOR, SULFIDE-RESPONSIVE, DNA-COMPLEX, ARSR KEYWDS 2 PROTEIN, BACTERIAL ALLOSTERIC TRANSCRIPTION FACTOR, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR G.T.ANTELO,G.GONZALEZ-GUTIERREZ,D.P.GIEDROC,D.A.CAPDEVILA REVDAT 1 15-JUL-26 13CT 0 JRNL AUTH G.T.ANTELO,J.J.RONDON,M.VILLARRUEL DUJOVNE,C.M.PIS DIEZ, JRNL AUTH 2 P.G.CANCIAN,S.SASTRE,A.ZEIDA,R.RADI,H.WU, JRNL AUTH 3 G.GONZALEZ-GUTIERREZ,D.P.GIEDROC,D.A.CAPDEVILA JRNL TITL EVOLUTION OF ALLOSTERY WITHOUT SHAPE SHIFTING: INTERNAL JRNL TITL 2 DYNAMICS DRIVES FUNCTIONAL DIVERSIFICATION OF A JRNL TITL 3 TRANSCRIPTIONAL REPRESSOR SUPERFAMILY. JRNL REF BIORXIV 2026 JRNL REFN ISSN 2692-8205 JRNL PMID 42182359 JRNL DOI 10.64898/2026.05.15.721447 REMARK 2 REMARK 2 RESOLUTION. 1.91 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20.1_4487 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.91 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.13 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.910 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 13923 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.187 REMARK 3 R VALUE (WORKING SET) : 0.186 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.870 REMARK 3 FREE R VALUE TEST SET COUNT : 1224 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 46.1300 - 3.9800 1.00 2652 166 0.1322 0.1262 REMARK 3 2 3.9700 - 3.1600 0.99 2639 150 0.1455 0.2137 REMARK 3 3 3.1600 - 2.7600 1.00 2649 123 0.1914 0.2578 REMARK 3 4 2.7600 - 2.5100 1.00 2708 123 0.2160 0.2047 REMARK 3 5 2.5100 - 2.3300 1.00 2664 116 0.2282 0.2463 REMARK 3 6 2.3300 - 2.1900 0.99 2657 148 0.2424 0.2603 REMARK 3 7 2.1900 - 2.0800 0.99 2665 132 0.2695 0.3319 REMARK 3 8 2.0800 - 1.9900 0.99 2654 129 0.3032 0.3589 REMARK 3 9 1.9900 - 1.9100 0.99 2633 137 0.3627 0.3993 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 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) : 0.243 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 28.408 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 31.08 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 41.47 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 1223 REMARK 3 ANGLE : 1.148 1741 REMARK 3 CHIRALITY : 0.055 200 REMARK 3 PLANARITY : 0.012 145 REMARK 3 DIHEDRAL : 28.225 322 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 7 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ( CHAIN A AND RESID 18:28 ) REMARK 3 ORIGIN FOR THE GROUP (A): 22.356 8.035 72.829 REMARK 3 T TENSOR REMARK 3 T11: 0.4344 T22: 0.4098 REMARK 3 T33: 0.5105 T12: 0.0396 REMARK 3 T13: -0.0397 T23: 0.0651 REMARK 3 L TENSOR REMARK 3 L11: 2.3270 L22: 2.0883 REMARK 3 L33: 2.0490 L12: 1.4089 REMARK 3 L13: -0.5042 L23: -1.3651 REMARK 3 S TENSOR REMARK 3 S11: 0.1009 S12: 0.5314 S13: -1.0645 REMARK 3 S21: 0.0269 S22: -0.5921 S23: -0.5119 REMARK 3 S31: 1.0707 S32: 0.7082 S33: 0.8377 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: ( CHAIN A AND RESID 29:49 ) REMARK 3 ORIGIN FOR THE GROUP (A): 11.778 16.608 59.066 REMARK 3 T TENSOR REMARK 3 T11: 0.2719 T22: 0.2203 REMARK 3 T33: 0.2303 T12: 0.0348 REMARK 3 T13: 0.0174 T23: 0.0078 REMARK 3 L TENSOR REMARK 3 L11: 6.3811 L22: 5.5920 REMARK 3 L33: 5.7447 L12: 3.9109 REMARK 3 L13: 3.8986 L23: 2.4999 REMARK 3 S TENSOR REMARK 3 S11: 0.0198 S12: -0.1333 S13: 0.0461 REMARK 3 S21: -0.1098 S22: -0.0381 S23: 0.2378 REMARK 3 S31: -0.0594 S32: -0.3283 S33: 0.1328 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: ( CHAIN A AND RESID 50:74 ) REMARK 3 ORIGIN FOR THE GROUP (A): 16.665 20.875 53.711 REMARK 3 T TENSOR REMARK 3 T11: 0.2336 T22: 0.2303 REMARK 3 T33: 0.1862 T12: -0.0269 REMARK 3 T13: 0.0262 T23: -0.0015 REMARK 3 L TENSOR REMARK 3 L11: 5.5149 L22: 8.1038 REMARK 3 L33: 7.0771 L12: -3.3291 REMARK 3 L13: 2.1583 L23: -2.9933 REMARK 3 S TENSOR REMARK 3 S11: 0.2201 S12: 0.0661 S13: -0.1427 REMARK 3 S21: -0.2789 S22: -0.0565 S23: 0.1244 REMARK 3 S31: 0.1034 S32: 0.0922 S33: -0.1278 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: ( CHAIN A AND RESID 75:89 ) REMARK 3 ORIGIN FOR THE GROUP (A): 17.812 11.580 46.896 REMARK 3 T TENSOR REMARK 3 T11: 0.5072 T22: 0.3264 REMARK 3 T33: 0.3229 T12: 0.0472 REMARK 3 T13: 0.0103 T23: -0.0472 REMARK 3 L TENSOR REMARK 3 L11: 5.6285 L22: 5.3009 REMARK 3 L33: 3.2372 L12: -1.3378 REMARK 3 L13: 2.4561 L23: -3.7877 REMARK 3 S TENSOR REMARK 3 S11: 0.1361 S12: 0.6937 S13: -0.3790 REMARK 3 S21: -0.9951 S22: -0.1508 S23: -0.2230 REMARK 3 S31: 0.9764 S32: 0.6298 S33: -0.0281 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: ( CHAIN A AND RESID 90:107 ) REMARK 3 ORIGIN FOR THE GROUP (A): 7.981 9.749 65.548 REMARK 3 T TENSOR REMARK 3 T11: 0.3185 T22: 0.4017 REMARK 3 T33: 0.2717 T12: -0.0126 REMARK 3 T13: -0.0797 T23: 0.0371 REMARK 3 L TENSOR REMARK 3 L11: 8.8266 L22: 8.4705 REMARK 3 L33: 4.5523 L12: 0.1432 REMARK 3 L13: -4.7672 L23: 2.9559 REMARK 3 S TENSOR REMARK 3 S11: 0.1112 S12: 0.6370 S13: -0.0074 REMARK 3 S21: -0.0104 S22: -0.2189 S23: 0.5300 REMARK 3 S31: 0.4867 S32: -1.0410 S33: 0.0443 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: ( CHAIN B AND RESID 1:10 ) REMARK 3 ORIGIN FOR THE GROUP (A): 26.745 26.964 90.229 REMARK 3 T TENSOR REMARK 3 T11: 0.3145 T22: 0.3596 REMARK 3 T33: 0.3064 T12: -0.0370 REMARK 3 T13: -0.0757 T23: -0.0200 REMARK 3 L TENSOR REMARK 3 L11: 8.5143 L22: 5.1438 REMARK 3 L33: 6.4419 L12: 0.6405 REMARK 3 L13: -4.3909 L23: 1.5893 REMARK 3 S TENSOR REMARK 3 S11: 0.4289 S12: -0.0378 S13: 0.8140 REMARK 3 S21: 0.1973 S22: 0.0500 S23: -0.0631 REMARK 3 S31: -0.7472 S32: 0.3889 S33: -0.4573 REMARK 3 TLS GROUP : 7 REMARK 3 SELECTION: ( CHAIN B AND RESID 11:22 ) REMARK 3 ORIGIN FOR THE GROUP (A): 27.349 27.500 55.095 REMARK 3 T TENSOR REMARK 3 T11: 0.2790 T22: 0.2691 REMARK 3 T33: 0.3346 T12: -0.1147 REMARK 3 T13: 0.0149 T23: -0.0150 REMARK 3 L TENSOR REMARK 3 L11: 4.5566 L22: 2.7778 REMARK 3 L33: 7.3372 L12: -1.0412 REMARK 3 L13: -0.4599 L23: -0.0711 REMARK 3 S TENSOR REMARK 3 S11: -0.0022 S12: 0.3521 S13: -0.0106 REMARK 3 S21: -0.2962 S22: 0.1120 S23: -0.4490 REMARK 3 S31: 0.0828 S32: 0.1948 S33: -0.1297 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 13CT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-JUN-26. REMARK 100 THE DEPOSITION ID IS D_1000307671. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-OCT-23 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 4.2.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97624 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CMOS REMARK 200 DETECTOR MANUFACTURER : RDI CMOS_8M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13996 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.910 REMARK 200 RESOLUTION RANGE LOW (A) : 46.130 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 24.90 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.18000 REMARK 200 FOR THE DATA SET : 15.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.91 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.94 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 25.40 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 3.42800 REMARK 200 FOR SHELL : 1.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD 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 (%): 43.93 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.19 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM CITRATE 2 M PH 7.0 AND BIS REMARK 280 -TRIS PROPANE PH 7.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 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 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 70.94050 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 24.38900 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 24.38900 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 106.41075 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 24.38900 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 24.38900 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 35.47025 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 24.38900 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 24.38900 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 106.41075 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 24.38900 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 24.38900 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 35.47025 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 70.94050 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 7970 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14790 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -61.0 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 350 BIOMT1 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 141.88100 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 B 108 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 HIS A 0 REMARK 465 MSE A 1 REMARK 465 GLY A 2 REMARK 465 SER A 3 REMARK 465 ASP A 4 REMARK 465 THR A 5 REMARK 465 ASP A 6 REMARK 465 GLU A 7 REMARK 465 ARG A 8 REMARK 465 SER A 9 REMARK 465 ALA A 10 REMARK 465 ALA A 11 REMARK 465 LEU A 12 REMARK 465 ASP A 13 REMARK 465 ALA A 14 REMARK 465 GLU A 15 REMARK 465 GLU A 16 REMARK 465 SER A 108 REMARK 465 GLY A 109 REMARK 465 ASP A 110 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 NE2 GLN A 105 O HOH A 301 2.19 REMARK 500 REMARK 500 REMARK: NULL 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 DT B 15 O4' - C1' - N1 ANGL. DEV. = 2.0 DEGREES REMARK 500 DG B 22 O4' - C1' - N9 ANGL. DEV. = 2.2 DEGREES REMARK 500 REMARK 500 REMARK: NULL DBREF 13CT A 0 110 UNP D5AT91 D5AT91_RHOCB 14 124 DBREF 13CT B 1 22 PDB 13CT 13CT 1 22 SEQADV 13CT HIS A 0 UNP D5AT91 GLU 14 CONFLICT SEQADV 13CT SER A 9 UNP D5AT91 CYS 23 CONFLICT SEQRES 1 A 111 HIS MSE GLY SER ASP THR ASP GLU ARG SER ALA ALA LEU SEQRES 2 A 111 ASP ALA GLU GLU MSE ALA THR ARG ALA ARG ALA ALA SER SEQRES 3 A 111 ASN LEU LEU LYS ALA LEU ALA HIS GLU GLY ARG LEU MSE SEQRES 4 A 111 ILE MSE CSD TYR LEU ALA SER GLY GLU LYS SER VAL THR SEQRES 5 A 111 GLU LEU GLU THR ARG LEU SER THR ARG GLN ALA ALA VAL SEQRES 6 A 111 SER GLN GLN LEU ALA ARG LEU ARG LEU GLU GLY LEU VAL SEQRES 7 A 111 GLN SER ARG ARG GLU GLY LYS THR ILE TYR TYR SER LEU SEQRES 8 A 111 SER ASP PRO ARG ALA ALA ARG VAL VAL GLN THR VAL TYR SEQRES 9 A 111 GLU GLN PHE CYS SER GLY ASP SEQRES 1 B 22 DC DA DT DA DT DT DC DA DC DA DA DT DT SEQRES 2 B 22 DG DT DG DA DA DT DA DT DG MODRES 13CT MSE A 17 MET MODIFIED RESIDUE MODRES 13CT MSE A 38 MET MODIFIED RESIDUE MODRES 13CT MSE A 40 MET MODIFIED RESIDUE MODRES 13CT CSD A 41 CYS MODIFIED RESIDUE HET MSE A 17 8 HET MSE A 38 8 HET MSE A 40 8 HET CSD A 41 8 HET CL A 201 1 HETNAM MSE SELENOMETHIONINE HETNAM CSD 3-SULFINOALANINE HETNAM CL CHLORIDE ION HETSYN CSD S-CYSTEINESULFINIC ACID; S-SULFINOCYSTEINE FORMUL 1 MSE 3(C5 H11 N O2 SE) FORMUL 1 CSD C3 H7 N O4 S FORMUL 3 CL CL 1- FORMUL 4 HOH *101(H2 O) HELIX 1 AA1 MSE A 17 ALA A 32 1 16 HELIX 2 AA2 HIS A 33 GLY A 46 1 14 HELIX 3 AA3 VAL A 50 SER A 58 1 9 HELIX 4 AA4 ARG A 60 GLU A 74 1 15 HELIX 5 AA5 ASP A 92 PHE A 106 1 15 SHEET 1 AA1 3 LYS A 48 SER A 49 0 SHEET 2 AA1 3 THR A 85 LEU A 90 -1 O TYR A 88 N LYS A 48 SHEET 3 AA1 3 VAL A 77 GLU A 82 -1 N ARG A 80 O TYR A 87 LINK C MSE A 17 N ALA A 18 1555 1555 1.34 LINK C LEU A 37 N MSE A 38 1555 1555 1.34 LINK C MSE A 38 N ILE A 39 1555 1555 1.34 LINK C ILE A 39 N MSE A 40 1555 1555 1.33 LINK C MSE A 40 N CSD A 41 1555 1555 1.33 LINK C CSD A 41 N TYR A 42 1555 1555 1.34 CRYST1 48.778 48.778 141.881 90.00 90.00 90.00 P 43 21 2 8 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 0.020501 0.000000 0.000000 0.00000 SCALE2 0.000000 0.020501 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007048 0.00000 CONECT 1 2 CONECT 2 1 3 5 CONECT 3 2 4 9 CONECT 4 3 CONECT 5 2 6 CONECT 6 5 7 CONECT 7 6 8 CONECT 8 7 CONECT 9 3 CONECT 151 157 CONECT 157 151 158 CONECT 158 157 159 161 CONECT 159 158 160 165 CONECT 160 159 CONECT 161 158 162 CONECT 162 161 163 CONECT 163 162 164 CONECT 164 163 CONECT 165 159 CONECT 167 173 CONECT 173 167 174 CONECT 174 173 175 177 CONECT 175 174 176 181 CONECT 176 175 CONECT 177 174 178 CONECT 178 177 179 CONECT 179 178 180 CONECT 180 179 CONECT 181 175 182 CONECT 182 181 183 185 CONECT 183 182 184 CONECT 184 183 187 188 CONECT 185 182 186 189 CONECT 186 185 CONECT 187 184 CONECT 188 184 CONECT 189 185 MASTER 390 0 5 5 3 0 0 6 1265 2 37 11 END