HEADER DE NOVO PROTEIN 09-SEP-11 3TQ2 TITLE MEROHEDRAL TWINNING IN PROTEIN CRYSTALS REVEALED A NEW SYNTHETIC THREE TITLE 2 HELIX BUNDLE MOTIF COMPND MOL_ID: 1; COMPND 2 MOLECULE: KE1; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: SYNTHETIC; SOURCE 4 ORGANISM_TAXID: 32630; SOURCE 5 OTHER_DETAILS: SOLID PHASE CHEMISTRY KEYWDS PARALLEL THREE HELIX BUNDLE, DE NOVO PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.GEREMIA,M.DE MARCH REVDAT 3 03-APR-24 3TQ2 1 REMARK REVDAT 2 31-JAN-24 3TQ2 1 JRNL REMARK LINK REVDAT 1 26-SEP-12 3TQ2 0 JRNL AUTH M.DE MARCH,N.HICKEY,S.GEREMIA JRNL TITL ANALYSIS OF THE CRYSTAL STRUCTURE OF A PARALLEL JRNL TITL 2 THREE-STRANDED COILED COIL. JRNL REF PROTEINS V. 91 1254 2023 JRNL REFN ESSN 1097-0134 JRNL PMID 37501532 JRNL DOI 10.1002/PROT.26557 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.D.HARTMANN,O.RIDDERBUSCH,K.ZETH,R.ALBRECHT,O.TESTA, REMARK 1 AUTH 2 D.N.WOOLFSON,G.SAUER,S.DUNIN-HORKAWICZ,A.N.LUPAS,B.H.ALVAREZ REMARK 1 TITL A COILED-COIL MOTIF THAT SEQUESTERS IONS TO THE HYDROPHOBIC REMARK 1 TITL 2 CORE. REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 106 16950 2009 REMARK 1 REFN ISSN 0027-8424 REMARK 1 PMID 19805097 REMARK 1 DOI 10.1073/PNAS.0907256106 REMARK 2 REMARK 2 RESOLUTION. 1.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 30622 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.188 REMARK 3 R VALUE (WORKING SET) : 0.158 REMARK 3 FREE R VALUE : 0.185 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 543 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 REFLECTION IN BIN (WORKING SET) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE SET COUNT : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 279 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 3 REMARK 3 SOLVENT ATOMS : 28 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 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : NULL REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): NULL ; 0.017 ; NULL REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): NULL ; 0.032 ; NULL REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL 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 : NULL REMARK 3 ION PROBE RADIUS : NULL REMARK 3 SHRINKAGE RADIUS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3TQ2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-SEP-11. REMARK 100 THE DEPOSITION ID IS D_1000067780. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-JUL-08; 08-MAY-08 REMARK 200 TEMPERATURE (KELVIN) : 100; NULL REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; N REMARK 200 RADIATION SOURCE : ELETTRA; ROTATING ANODE REMARK 200 BEAMLINE : 5.2R; NULL REMARK 200 X-RAY GENERATOR MODEL : NULL; OTHER REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00; 1.54 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL; GRAPHITE REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM; NONIUS KAPPA CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30622 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.100 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.08100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.14 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.4 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.35300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.740 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: A 35 POLY-ALA MODEL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 33.42 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.85 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M HEPES PH 7.5, 1.8-2.5M AMMONIUM REMARK 280 SULFATE, 1.5-3% W/V PEG400, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4790 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 7170 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -47.0 KCAL/MOL 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 11.18250 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 19.36866 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 -11.18250 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 19.36866 REMARK 350 BIOMT3 3 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 S SO4 A 36 LIES ON A SPECIAL POSITION. REMARK 375 O3 SO4 A 36 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 54 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 60 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 61 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 63 LIES ON A SPECIAL POSITION. 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 S SO4 A 36 O1 SO4 A 36 3465 1.40 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 SO4 A 36 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 36 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3K7Z RELATED DB: PDB REMARK 900 AUTOMATED PROTEIN CRYSTAL STRUCTURE DETERMINATION USING ELVES. REMARK 900 RELATED ID: 2WPY RELATED DB: PDB REMARK 900 A COILED-COIL MOTIF THAT SEQUESTERS IONS TO THE HYDROPHOBIC CORE. REMARK 900 RELATED ID: 1KYC RELATED DB: PDB REMARK 900 IMPROVING COILED-COIL STABILITY BY OPTIMIZING IONIC INTERACTIONS. REMARK 900 RELATED ID: 1ZIJ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF A SINGLE COILED-COIL PEPTIDE IN TWO REMARK 900 OLIGOMERIC STATES REVEAL THE BASIS FOR STRUCTURAL POLYMORPHISM. DBREF 3TQ2 A 0 35 PDB 3TQ2 3TQ2 0 35 SEQRES 1 A 36 ACE LYS VAL SER ALA LEU LYS GLU LYS VAL SER ALA LEU SEQRES 2 A 36 LYS GLU GLN PHE LEU MET LEU MET PHE LYS VAL SER ALA SEQRES 3 A 36 LEU LYS GLU LYS VAL SER ALA LEU LYS GLU HET ACE A 0 3 HET SO4 A 36 3 HETNAM ACE ACETYL GROUP HETNAM SO4 SULFATE ION FORMUL 1 ACE C2 H4 O FORMUL 2 SO4 O4 S 2- FORMUL 3 HOH *28(H2 O) HELIX 1 1 LYS A 1 LYS A 34 1 34 LINK C ACE A 0 N LYS A 1 1555 1555 1.37 SITE 1 AC1 2 LYS A 27 HOH A 44 CRYST1 22.365 22.365 51.007 90.00 90.00 120.00 P 3 3 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 0.044713 0.025815 0.000000 0.00000 SCALE2 0.000000 0.051630 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019605 0.00000 HETATM 1 C ACE A 0 1.495 5.007 32.530 1.00 16.86 C HETATM 2 O ACE A 0 1.142 4.211 31.554 1.00 22.70 O HETATM 3 CH3 ACE A 0 0.812 4.659 33.778 1.00 15.70 C