HEADER CYTOSKELETON 06-NOV-00 1HD3 TITLE A-SPECTRIN SH3 DOMAIN F52Y MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: SPECTRIN ALPHA CHAIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: SH3-DOMAIN RESIDUES 964-1025; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GALLUS GALLUS; SOURCE 3 ORGANISM_COMMON: CHICKEN; SOURCE 4 ORGANISM_TAXID: 9031; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_VECTOR: PBAT4; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PBR322 KEYWDS SH3-DOMAIN, CYTOSKELETON, CALMODULIN-BINDING, ACTIN-BINDING EXPDTA X-RAY DIFFRACTION AUTHOR M.C.VEGA,A.R.VIGUERA,L.SERRANO REVDAT 7 13-DEC-23 1HD3 1 REMARK REVDAT 6 24-JUL-19 1HD3 1 REMARK REVDAT 5 10-JUL-19 1HD3 1 REMARK REVDAT 4 24-OCT-18 1HD3 1 SOURCE REMARK REVDAT 3 24-FEB-09 1HD3 1 VERSN REVDAT 2 26-APR-02 1HD3 1 JRNL REVDAT 1 01-NOV-01 1HD3 0 JRNL AUTH A.R.VIGUERA,C.VEGA,L.SERRANO JRNL TITL UNSPECIFIC HYDROPHOBIC STABILIZATION OF FOLDING TRANSITION JRNL TITL 2 STATES JRNL REF PROC.NATL.ACAD.SCI.USA V. 99 5349 2002 JRNL REFN ISSN 0027-8424 JRNL PMID 11959988 JRNL DOI 10.1073/PNAS.072387799 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.MUSACCHIO,M.NOBLE,R.PAUPTIT,R.WIERENGA,M.SARASTE REMARK 1 TITL CRYSTAL STRUCTURE OF A SRC-HOMOLOGY 3 (SH3) DOMAIN REMARK 1 REF NATURE V. 359 851 1992 REMARK 1 REFN ISSN 0028-0836 REMARK 1 PMID 1279434 REMARK 1 DOI 10.1038/359851A0 REMARK 2 REMARK 2 RESOLUTION. 1.98 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.8 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.98 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 82.5 REMARK 3 NUMBER OF REFLECTIONS : 4415 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 SET) : 0.245 REMARK 3 FREE R VALUE : 0.265 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.98 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.07 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 75.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 477 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 17 REMARK 3 SOLVENT ATOMS : 58 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.382 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.44 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.167 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : TOPH19.PEP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1HD3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 06-NOV-00. REMARK 100 THE DEPOSITION ID IS D_1290005519. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-AUG-99 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X31 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.05 REMARK 200 MONOCHROMATOR : M REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH IMAGING PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 3987 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.980 REMARK 200 RESOLUTION RANGE LOW (A) : 8.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 87.4 REMARK 200 DATA REDUNDANCY : 2.300 REMARK 200 R MERGE (I) : 0.11900 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) : 1.98 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 75.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.09000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1SHG REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.56 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.39 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 1.1 M REMARK 280 AMMONIUM SULPHATE, 90MM SODIUM CITRATE/CITRIC ACID, PH=6.0, 90 REMARK 280 MM BIS-TRIS PROPANE, 0.9 MM EDTA, 0.9 MM DTT, 0.9 MM SODIUM REMARK 280 AZIDE, PH 6.00 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 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 16.48500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 24.80500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 21.18500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 24.80500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 16.48500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 21.18500 REMARK 290 SMTRY3 4 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 300 REMARK: BIOLOGICAL_UNIT: MONOMER 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 400 REMARK 400 COMPOUND REMARK 400 CHAIN A ENGINEERED MUTATION PHE52TYR 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 A 1 REMARK 465 ASP A 2 REMARK 465 GLU A 3 REMARK 465 THR A 4 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 LYS A 6 CB CD REMARK 480 GLU A 7 CB CG CD OE1 OE2 REMARK 480 LYS A 18 CB CG REMARK 480 LYS A 26 CD REMARK 480 ASN A 47 OD1 REMARK 480 ASP A 48 CB REMARK 480 ARG A 49 CD NH2 REMARK 480 GLN A 50 NE2 REMARK 480 LYS A 59 CD CE NZ REMARK 480 ASP A 62 CA CB OD1 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 OE2 GLU A 17 O HOH A 2022 2.08 REMARK 500 O1 GOL A 162 O HOH A 2056 2.08 REMARK 500 O HOH A 2036 O HOH A 2043 2.08 REMARK 500 O HOH A 2008 O HOH A 2026 2.12 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 O THR A 37 OD1 ASN A 47 3555 1.93 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 ARG A 21 NE - CZ - NH2 ANGL. DEV. = 3.5 DEGREES 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 ASN A 47 -103.81 58.49 REMARK 500 REMARK 500 REMARK: NULL REMARK 650 REMARK 650 HELIX REMARK 650 DETERMINATION METHOD: DSSP REMARK 700 REMARK 700 SHEET REMARK 700 DETERMINATION METHOD: DSSP 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 161 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 162 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 163 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1SHG RELATED DB: PDB REMARK 900 ALPHA SPECTRIN (SH3 DOMAIN), GALLUS GALLUS BRAIN REMARK 900 RELATED ID: 1AEY RELATED DB: PDB REMARK 900 ALPHA-SPECTRIN SRC HOMOLOGY 3 DOMAIN, SOLUTION NMR, 15 STRUCTURES REMARK 900 RELATED ID: 1AJ3 RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF THE SPECTRIN REPEAT, NMR, 20 STRUCTURES REMARK 900 RELATED ID: 1BK2 RELATED DB: PDB REMARK 900 A-SPECTRIN SH3 DOMAIN D48G MUTANT REMARK 900 RELATED ID: 1CUN RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF REPEATS 16 AND 17 OF CHICKEN BRAIN ALPHA REMARK 900 SPECTRIN REMARK 900 RELATED ID: 1E6G RELATED DB: PDB REMARK 900 A-SPECTRIN SH3 DOMAIN D48G MUTANT REMARK 900 RELATED ID: 1E6H RELATED DB: PDB REMARK 900 A-SPECTRIN SH3 DOMAIN A11V, M25I, V44I, V58L MUTANTS REMARK 900 RELATED ID: 1E7O RELATED DB: PDB REMARK 900 A-SPECTRIN SH3 DOMAIN A11V, V23L, M25V, V44I, V58L MUTATIONS REMARK 900 RELATED ID: 1PWT RELATED DB: PDB REMARK 900 THERMODYNAMIC ANALYSIS OF ALPHA-SPECTRIN SH3 AND TWO OF ITSCIRCULAR REMARK 900 PERMUTANTS WITH DIFFERENT LOOP LENGTHS: DISCERNINGTHE REASONS FOR REMARK 900 RAPID FOLDING IN PROTEINS REMARK 900 RELATED ID: 1QKW RELATED DB: PDB REMARK 900 ALPHA-SPECTRIN SRC HOMOLOGY 3 DOMAIN, N47G MUTANT IN THE DISTAL LOOP REMARK 900 RELATED ID: 1QKX RELATED DB: PDB REMARK 900 ALPHA-SPECTRIN SRC HOMOLOGY 3 DOMAIN, N47A MUTANT IN THE DISTAL REMARK 900 LOOP. REMARK 900 RELATED ID: 1TUC RELATED DB: PDB REMARK 900 ALPHA-SPECTRIN SRC HOMOLOGY 3 DOMAIN, CIRCULAR PERMUTANT, CUT AT REMARK 900 S19-P20 REMARK 900 RELATED ID: 1TUD RELATED DB: PDB REMARK 900 ALPHA-SPECTRIN SRC HOMOLOGY 3 DOMAIN, CIRCULAR PERMUTANT, CUT AT REMARK 900 N47-D48 REMARK 999 REMARK 999 SEQUENCE REMARK 999 1SHG SWS P07751 1 - 968 NOT IN ATOMS LIST REMARK 999 1SHG SWS P07751 1026 - 2477 NOT IN ATOMS LIST DBREF 1HD3 A 1 62 UNP P07751 SPCN_CHICK 964 1025 SEQADV 1HD3 TYR A 52 UNP P07751 PHE 1015 ENGINEERED MUTATION SEQRES 1 A 62 MET ASP GLU THR GLY LYS GLU LEU VAL LEU ALA LEU TYR SEQRES 2 A 62 ASP TYR GLN GLU LYS SER PRO ARG GLU VAL THR MET LYS SEQRES 3 A 62 LYS GLY ASP ILE LEU THR LEU LEU ASN SER THR ASN LYS SEQRES 4 A 62 ASP TRP TRP LYS VAL GLU VAL ASN ASP ARG GLN GLY TYR SEQRES 5 A 62 VAL PRO ALA ALA TYR VAL LYS LYS LEU ASP HET SO4 A 161 5 HET GOL A 162 6 HET GOL A 163 6 HETNAM SO4 SULFATE ION HETNAM GOL GLYCEROL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 SO4 O4 S 2- FORMUL 3 GOL 2(C3 H8 O3) FORMUL 5 HOH *58(H2 O) SHEET 1 AA 5 ARG A 49 PRO A 54 0 SHEET 2 AA 5 TRP A 41 VAL A 46 -1 O TRP A 42 N VAL A 53 SHEET 3 AA 5 ILE A 30 ASN A 35 -1 O THR A 32 N GLU A 45 SHEET 4 AA 5 GLU A 7 ALA A 11 -1 O GLU A 7 N LEU A 33 SHEET 5 AA 5 VAL A 58 LYS A 60 -1 O LYS A 59 N LEU A 10 SITE 1 AC1 2 TRP A 42 LYS A 60 SITE 1 AC2 4 TYR A 13 TRP A 41 HOH A2002 HOH A2056 SITE 1 AC3 9 GLN A 16 GLU A 17 ASP A 40 PRO A 54 SITE 2 AC3 9 ALA A 55 ALA A 56 HOH A2022 HOH A2057 SITE 3 AC3 9 HOH A2058 CRYST1 32.970 42.370 49.610 90.00 90.00 90.00 P 21 21 21 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 0.030331 0.000000 0.000000 0.00000 SCALE2 0.000000 0.023602 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020157 0.00000