PDB Short entry for 1CEC HEADER HYDROLASE (GLYCOSYL) 07-JUN-95 1CEC TITLE A COMMON PROTEIN FOLD AND SIMILAR ACTIVE SITE IN TWO DISTINCT FAMILIES TITLE 2 OF BETA-GLYCANASES COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENDOGLUCANASE CELC; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: EGC, CELLULASE CELC, ENDO-1\,4-BETA-GLUCANASE CELC; COMPND 5 EC: 3.2.1.4; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: CELLULASE FAMILY A/5 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CLOSTRIDIUM THERMOCELLUM; SOURCE 3 ORGANISM_TAXID: 1515; SOURCE 4 STRAIN: NCIB 10682; SOURCE 5 GENE: MC1061; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PCT301; SOURCE 9 EXPRESSION_SYSTEM_GENE: MC1061 KEYWDS GLYCOSYL HYDROLASE, CELLULASE, FAMILY A/5 OF CELLULASES/GLYCOSYL KEYWDS 2 HYDROLASES, CLOSTRIDIUM THERMOCELLUM, ENDOGLUCANASE C, HYDROLASE KEYWDS 3 (GLYCOSYL) EXPDTA X-RAY DIFFRACTION AUTHOR P.M.ALZARI,R.DOMINGUEZ REVDAT 3 07-FEB-24 1CEC 1 REMARK SEQADV REVDAT 2 24-FEB-09 1CEC 1 VERSN REVDAT 1 29-JAN-96 1CEC 0 JRNL AUTH R.DOMINGUEZ,H.SOUCHON,S.SPINELLI,Z.DAUTER,K.S.WILSON, JRNL AUTH 2 S.CHAUVAUX,P.BEGUIN,P.M.ALZARI JRNL TITL A COMMON PROTEIN FOLD AND SIMILAR ACTIVE SITE IN TWO JRNL TITL 2 DISTINCT FAMILIES OF BETA-GLYCANASES. JRNL REF NAT.STRUCT.BIOL. V. 2 569 1995 JRNL REFN ISSN 1072-8368 JRNL PMID 7664125 JRNL DOI 10.1038/NSB0795-569 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.DOMINGUEZ,H.SOUCHON,P.M.ALZARI REMARK 1 TITL CHARACTERIZATION OF TWO CRYSTAL FORMS OF CLOSTRIDIUM REMARK 1 TITL 2 THERMOCELLUM ENDOGLUCANASE CELC REMARK 1 REF PROTEINS V. 19 158 1994 REMARK 1 REFN ISSN 0887-3585 REMARK 2 REMARK 2 RESOLUTION. 2.15 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 18363 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.168 REMARK 3 FREE R VALUE : 0.215 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL 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 : 2777 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 165 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.51 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.470 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.62 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.320 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1CEC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000172272. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NOV-93 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.92 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19891 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.7 REMARK 200 DATA REDUNDANCY : 7.600 REMARK 200 R MERGE (I) : 0.08600 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.87 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 25.70000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 43.75000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.16500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 43.75000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.70000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 42.16500 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 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 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 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 TYR A 95 REMARK 465 ARG A 96 REMARK 465 PHE A 97 REMARK 465 GLN A 98 REMARK 465 ASP A 99 REMARK 465 PHE A 100 REMARK 465 LYS A 101 REMARK 465 THR A 102 REMARK 465 ARG A 341 REMARK 465 LYS A 342 REMARK 465 THR A 343 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 LEU A 10 59.12 -119.20 REMARK 500 TRP A 13 -78.93 -86.75 REMARK 500 GLU A 140 80.77 -66.42 REMARK 500 TYR A 192 54.52 -107.71 REMARK 500 LYS A 317 -158.48 59.26 REMARK 500 REMARK 500 REMARK: NULL DBREF 1CEC A 1 343 UNP P07985 GUNC_CLOTM 1 343 SEQADV 1CEC CYS A 156 UNP P07985 TYR 156 CONFLICT SEQRES 1 A 343 MET VAL SER PHE LYS ALA GLY ILE ASN LEU GLY GLY TRP SEQRES 2 A 343 ILE SER GLN TYR GLN VAL PHE SER LYS GLU HIS PHE ASP SEQRES 3 A 343 THR PHE ILE THR GLU LYS ASP ILE GLU THR ILE ALA GLU SEQRES 4 A 343 ALA GLY PHE ASP HIS VAL ARG LEU PRO PHE ASP TYR PRO SEQRES 5 A 343 ILE ILE GLU SER ASP ASP ASN VAL GLY GLU TYR LYS GLU SEQRES 6 A 343 ASP GLY LEU SER TYR ILE ASP ARG CYS LEU GLU TRP CYS SEQRES 7 A 343 LYS LYS TYR ASN LEU GLY LEU VAL LEU ASP MET HIS HIS SEQRES 8 A 343 ALA PRO GLY TYR ARG PHE GLN ASP PHE LYS THR SER THR SEQRES 9 A 343 LEU PHE GLU ASP PRO ASN GLN GLN LYS ARG PHE VAL ASP SEQRES 10 A 343 ILE TRP ARG PHE LEU ALA LYS ARG TYR ILE ASN GLU ARG SEQRES 11 A 343 GLU HIS ILE ALA PHE GLU LEU LEU ASN GLU VAL VAL GLU SEQRES 12 A 343 PRO ASP SER THR ARG TRP ASN LYS LEU MET LEU GLU CYS SEQRES 13 A 343 ILE LYS ALA ILE ARG GLU ILE ASP SER THR MET TRP LEU SEQRES 14 A 343 TYR ILE GLY GLY ASN ASN TYR ASN SER PRO ASP GLU LEU SEQRES 15 A 343 LYS ASN LEU ALA ASP ILE ASP ASP ASP TYR ILE VAL TYR SEQRES 16 A 343 ASN PHE HIS PHE TYR ASN PRO PHE PHE PHE THR HIS GLN SEQRES 17 A 343 LYS ALA HIS TRP SER GLU SER ALA MET ALA TYR ASN ARG SEQRES 18 A 343 THR VAL LYS TYR PRO GLY GLN TYR GLU GLY ILE GLU GLU SEQRES 19 A 343 PHE VAL LYS ASN ASN PRO LYS TYR SER PHE MET MET GLU SEQRES 20 A 343 LEU ASN ASN LEU LYS LEU ASN LYS GLU LEU LEU ARG LYS SEQRES 21 A 343 ASP LEU LYS PRO ALA ILE GLU PHE ARG GLU LYS LYS LYS SEQRES 22 A 343 CYS LYS LEU TYR CYS GLY GLU PHE GLY VAL ILE ALA ILE SEQRES 23 A 343 ALA ASP LEU GLU SER ARG ILE LYS TRP HIS GLU ASP TYR SEQRES 24 A 343 ILE SER LEU LEU GLU GLU TYR ASP ILE GLY GLY ALA VAL SEQRES 25 A 343 TRP ASN TYR LYS LYS MET ASP PHE GLU ILE TYR ASN GLU SEQRES 26 A 343 ASP ARG LYS PRO VAL SER GLN GLU LEU VAL ASN ILE LEU SEQRES 27 A 343 ALA ARG ARG LYS THR FORMUL 2 HOH *165(H2 O) HELIX 1 1 LYS A 22 THR A 27 1 6 HELIX 2 2 GLU A 31 ALA A 40 1 10 HELIX 3 3 TYR A 51 ILE A 53 5 3 HELIX 4 4 GLU A 65 TYR A 81 1 17 HELIX 5 5 PRO A 109 ARG A 125 1 17 HELIX 6 6 THR A 147 ILE A 163 1 17 HELIX 7 7 ASN A 174 ASN A 177 1 4 HELIX 8 8 PRO A 179 ASN A 184 5 6 HELIX 9 9 PHE A 203 THR A 206 1 4 HELIX 10 10 GLU A 214 TYR A 219 1 6 HELIX 11 11 ILE A 232 ASN A 238 1 7 HELIX 12 12 PRO A 240 LEU A 248 5 9 HELIX 13 13 LYS A 255 LYS A 272 1 18 HELIX 14 14 LEU A 289 GLU A 305 1 17 HELIX 15 15 GLN A 332 LEU A 338 1 7 SHEET 1 A 5 GLY A 310 VAL A 312 0 SHEET 2 A 5 ALA A 6 ASN A 9 1 N GLY A 7 O GLY A 310 SHEET 3 A 5 HIS A 44 PHE A 49 1 N HIS A 44 O ILE A 8 SHEET 4 A 5 GLY A 84 MET A 89 1 N GLY A 84 O VAL A 45 SHEET 5 A 5 ILE A 133 GLU A 136 1 N ALA A 134 O LEU A 85 SHEET 1 B 3 LEU A 169 GLY A 172 0 SHEET 2 B 3 ILE A 193 PHE A 199 1 N VAL A 194 O LEU A 169 SHEET 3 B 3 LYS A 275 PHE A 281 1 N LYS A 275 O TYR A 195 CISPEP 1 ASN A 201 PRO A 202 0 -9.69 CISPEP 2 TYR A 225 PRO A 226 0 -8.84 CISPEP 3 TRP A 313 ASN A 314 0 1.73 CRYST1 51.400 84.330 87.500 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 0.019455 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011858 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011429 0.00000