HEADER STRUCTURAL PROTEIN 16-JUL-08 3DU1 TITLE THE 2.0 ANGSTROM RESOLUTION CRYSTAL STRUCTURE OF HETL, A PENTAPEPTIDE TITLE 2 REPEAT PROTEIN INVOLVED IN HETEROCYST DIFFERENTIATION REGULATION FROM TITLE 3 THE CYANOBACTERIUM NOSTOC SP. STRAIN PCC 7120 COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALL3740 PROTEIN; COMPND 3 CHAIN: X; COMPND 4 SYNONYM: HETL; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: THE PROTEIN ADOPTS THE REPEATED FIVE RESIDUE (RFR) COMPND 7 FOLD COMPRISED OF A RIGHT-HANDED QUADRILATERAL BETA-HELIX SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NOSTOC SP.; SOURCE 3 ORGANISM_TAXID: 103690; SOURCE 4 STRAIN: PCC 7120; SOURCE 5 GENE: HETL; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET-28B KEYWDS RIGHT-HANDED BETA HELIX, REPEATED FIVE RESIDUE FOLD, PENTAPEPTIDE KEYWDS 2 REPEAT PROTEIN, STRUCTURAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.A.KENNEDY,S.NI,G.M.SHELDRICK REVDAT 4 20-MAR-24 3DU1 1 SEQADV REVDAT 3 13-JUL-11 3DU1 1 VERSN REVDAT 2 23-DEC-08 3DU1 1 JRNL VERSN REVDAT 1 11-NOV-08 3DU1 0 JRNL AUTH S.NI,G.M.SHELDRICK,M.M.BENNING,M.A.KENNEDY JRNL TITL THE 2A RESOLUTION CRYSTAL STRUCTURE OF HETL, A PENTAPEPTIDE JRNL TITL 2 REPEAT PROTEIN INVOLVED IN REGULATION OF HETEROCYST JRNL TITL 3 DIFFERENTIATION IN THE CYANOBACTERIUM NOSTOC SP. STRAIN PCC JRNL TITL 4 7120 JRNL REF J.STRUCT.BIOL. V. 165 47 2008 JRNL REFN ISSN 1047-8477 JRNL PMID 18952182 JRNL DOI 10.1016/J.JSB.2008.09.010 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.41 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 3 NUMBER OF REFLECTIONS : 20737 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) : 0.177 REMARK 3 R VALUE (WORKING SET) : 0.176 REMARK 3 FREE R VALUE : 0.204 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1101 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.05 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1401 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 92.11 REMARK 3 BIN R VALUE (WORKING SET) : 0.1740 REMARK 3 BIN FREE R VALUE SET COUNT : 81 REMARK 3 BIN FREE R VALUE : 0.2170 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1798 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 238 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.67 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.33000 REMARK 3 B22 (A**2) : 0.49000 REMARK 3 B33 (A**2) : -0.15000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.145 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.131 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.075 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.582 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.958 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.944 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1821 ; 0.014 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2461 ; 1.344 ; 1.968 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 236 ; 4.654 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 84 ;24.097 ;24.167 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 316 ;15.472 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 15 ;12.169 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 285 ; 0.096 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1369 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 867 ; 0.219 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1240 ; 0.308 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 180 ; 0.146 ; 0.200 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): 50 ; 0.517 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 16 ; 0.133 ; 0.200 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): 1202 ; 0.965 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1838 ; 1.511 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 691 ; 3.083 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 623 ; 4.760 ; 4.500 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 : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 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 3DU1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 18-JUL-08. REMARK 100 THE DEPOSITION ID IS D_1000048487. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-FEB-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 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 : BRUKER AXS MICROSTAR REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : GRADED THIN FILM MULTILAYER REMARK 200 MIRROR BRAGG DIFFRACTION REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRUKER SMART 6000 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SAINT REMARK 200 DATA SCALING SOFTWARE : SADABS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28767 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.770 REMARK 200 RESOLUTION RANGE LOW (A) : 68.840 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 89.9 REMARK 200 DATA REDUNDANCY : 38.58 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04100 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 61.2200 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.77 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.87 REMARK 200 COMPLETENESS FOR SHELL (%) : 58.3 REMARK 200 DATA REDUNDANCY IN SHELL : 38.58 REMARK 200 R MERGE FOR SHELL (I) : 0.30000 REMARK 200 R SYM FOR SHELL (I) : 0.30000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.630 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SULFUR ANOMALOUS REMARK 200 SCATTERING REMARK 200 SOFTWARE USED: SHELXS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.81 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.92 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M HEPES, 0.7M SODIUM PHOSPHATE REMARK 280 MONOBASIC, 0.7M POTASSIUM PHOSPHATE MONOBASIC, 12.5% GLYCEROL, REMARK 280 PROTEIN CONCENTRATION 7.5 MG/ML, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 295K, PH 7.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2 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,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 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+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 0.00000 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 0.00000 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 34.10000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 46.88150 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 50.65350 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 34.10000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 46.88150 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 50.65350 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 34.10000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 46.88150 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 50.65350 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 34.10000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 46.88150 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 50.65350 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: X 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 X -19 REMARK 465 GLY X -18 REMARK 465 SER X -17 REMARK 465 SER X -16 REMARK 465 HIS X -15 REMARK 465 HIS X -14 REMARK 465 HIS X -13 REMARK 465 HIS X -12 REMARK 465 HIS X -11 REMARK 465 HIS X -10 REMARK 465 SER X -9 REMARK 465 SER X -8 REMARK 465 GLY X -7 REMARK 465 LEU X -6 REMARK 465 VAL X -5 REMARK 465 PRO X -4 REMARK 465 ARG X -3 REMARK 465 GLY X -2 REMARK 465 SER X -1 REMARK 465 ASP X 237 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 NH1 ARG X 96 O HOH X 281 1.88 REMARK 500 NE ARG X 96 O HOH X 266 1.97 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 CE1 PHE X 123 CE1 PHE X 123 3755 1.73 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU X 98 CB GLU X 98 CG -0.127 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 LYS X 49 19.28 59.54 REMARK 500 GLU X 74 13.14 58.68 REMARK 500 ARG X 79 28.89 49.68 REMARK 500 GLU X 99 19.40 57.73 REMARK 500 LYS X 104 18.66 57.88 REMARK 500 SER X 114 19.60 55.95 REMARK 500 TYR X 139 18.45 59.02 REMARK 500 REMARK 500 REMARK: NULL DBREF 3DU1 X 1 237 UNP Q8YQS9 Q8YQS9_ANASP 1 237 SEQADV 3DU1 MET X -19 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 GLY X -18 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 SER X -17 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 SER X -16 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 HIS X -15 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 HIS X -14 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 HIS X -13 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 HIS X -12 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 HIS X -11 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 HIS X -10 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 SER X -9 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 SER X -8 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 GLY X -7 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 LEU X -6 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 VAL X -5 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 PRO X -4 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 ARG X -3 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 GLY X -2 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 SER X -1 UNP Q8YQS9 EXPRESSION TAG SEQADV 3DU1 HIS X 0 UNP Q8YQS9 EXPRESSION TAG SEQRES 1 X 257 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 X 257 LEU VAL PRO ARG GLY SER HIS MET ASN VAL GLY GLU ILE SEQRES 3 X 257 LEU ARG HIS TYR ALA ALA GLY LYS ARG ASN PHE GLN HIS SEQRES 4 X 257 ILE ASN LEU GLN GLU ILE GLU LEU THR ASN ALA SER LEU SEQRES 5 X 257 THR GLY ALA ASP LEU SER TYR ALA ASP LEU ARG GLN THR SEQRES 6 X 257 ARG LEU GLY LYS SER ASN PHE SER HIS THR CYS LEU ARG SEQRES 7 X 257 GLU ALA ASP LEU SER GLU ALA ILE LEU TRP GLY ILE ASP SEQRES 8 X 257 LEU SER GLU ALA ASP LEU TYR ARG ALA ILE LEU ARG GLU SEQRES 9 X 257 ALA ASP LEU THR GLY ALA LYS LEU VAL LYS THR ARG LEU SEQRES 10 X 257 GLU GLU ALA ASN LEU ILE LYS ALA SER LEU CYS GLY ALA SEQRES 11 X 257 ASN LEU ASN SER ALA ASN LEU SER ARG CYS LEU LEU PHE SEQRES 12 X 257 GLN ALA ASP LEU ARG PRO SER SER ASN GLN ARG THR ASP SEQRES 13 X 257 LEU GLY TYR VAL LEU LEU THR GLY ALA ASP LEU SER TYR SEQRES 14 X 257 ALA ASP LEU ARG ALA ALA SER LEU HIS HIS ALA ASN LEU SEQRES 15 X 257 ASP GLY ALA LYS LEU CYS ARG ALA ASN PHE GLY ARG THR SEQRES 16 X 257 ILE GLN TRP GLY ASN LEU ALA ALA ASP LEU SER GLY ALA SEQRES 17 X 257 SER LEU GLN GLY ALA ASP LEU SER TYR ALA ASN LEU GLU SEQRES 18 X 257 SER ALA ILE LEU ARG LYS ALA ASN LEU GLN GLY ALA ASP SEQRES 19 X 257 LEU THR GLY ALA ILE LEU LYS ASP ALA GLU LEU LYS GLY SEQRES 20 X 257 ALA ILE MET PRO ASP GLY SER ILE HIS ASP FORMUL 2 HOH *238(H2 O) HELIX 1 1 ASN X 2 ALA X 12 1 11 CRYST1 68.200 93.763 101.307 90.00 90.00 90.00 I 2 2 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 0.014663 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010665 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009871 0.00000