HEADER HYDROLASE 02-NOV-98 2NLR TITLE STREPTOMYCES LIVIDANS ENDOGLUCANASE (EC: 3.2.1.4) COMPLEX WITH TITLE 2 MODIFIED GLUCOSE TRIMER COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (ENDOGLUCANASE (E.C.3.2.1.4)); COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN; COMPND 5 SYNONYM: CELB; COMPND 6 EC: 3.2.1.4; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES LIVIDANS; SOURCE 3 ORGANISM_TAXID: 1916; SOURCE 4 STRAIN: 66; SOURCE 5 GENE: CELB; SOURCE 6 EXPRESSION_SYSTEM: STREPTOMYCES LIVIDANS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 1916; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: 66; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PIAF9, PIAF18 KEYWDS HYDROLASE (ENDOGLUCANASE), GLYCOSYL HYDROLASE, FAMILY 12, KEYWDS 2 ENDOGLUCANASE, CELB2, GLYCOSYL-ENZYME INTERMEDIATE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR G.SULZENBACHER,C.DUPONT,G.J.DAVIES REVDAT 11 30-OCT-24 2NLR 1 REMARK REVDAT 10 30-AUG-23 2NLR 1 HETSYN REVDAT 9 29-JUL-20 2NLR 1 COMPND REMARK HETNAM LINK REVDAT 9 2 1 SITE ATOM REVDAT 8 04-OCT-17 2NLR 1 REMARK REVDAT 7 13-JUL-11 2NLR 1 VERSN REVDAT 6 12-JAN-11 2NLR 1 HETNAM REVDAT 5 24-FEB-09 2NLR 1 VERSN REVDAT 4 07-FEB-00 2NLR 1 LINK REVDAT 3 08-DEC-99 2NLR 1 JRNL REVDAT 2 12-NOV-99 2NLR 1 SITE REVDAT 1 10-NOV-99 2NLR 0 JRNL AUTH G.SULZENBACHER,L.F.MACKENZIE,K.S.WILSON,S.G.WITHERS, JRNL AUTH 2 C.DUPONT,G.J.DAVIES JRNL TITL THE CRYSTAL STRUCTURE OF A 2-FLUOROCELLOTRIOSYL COMPLEX OF JRNL TITL 2 THE STREPTOMYCES LIVIDANS ENDOGLUCANASE CELB2 AT 1.2 A JRNL TITL 3 RESOLUTION. JRNL REF BIOCHEMISTRY V. 38 4826 1999 JRNL REFN ISSN 0006-2960 JRNL PMID 10200171 JRNL DOI 10.1021/BI982648I REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH G.SULZENBACHER,F.SHAREK,R.MOROSOLI,C.DUPONT,G.J.DAVIES REMARK 1 TITL THE STREPTOMYCES LIVIDANS FAMILY 12 ENDOGLUCANASE: REMARK 1 TITL 2 CONSTRUCTION OF THE CATALYTIC CORE, EXPRESSION AND X-RAY REMARK 1 TITL 3 STRUCTURE AT 1.75 A RESOLUTION REMARK 1 REF BIOCHEMISTRY V. 36 16032 1997 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 2 REMARK 1 AUTH S.WITTMANN,F.SHARECK,D.KLUEPFEL,R.MOROSOLI REMARK 1 TITL PURIFICATION AND CHARACTERISATION OF THE CELB ENDOGLUCANASE REMARK 1 TITL 2 FROM STREPTOMYCES LIVIDANS 66 AND DNA SEQUENCE OF THE REMARK 1 TITL 3 ENCODING GENE REMARK 1 REF APPL.ENVIRON.MICROBIOL. V. 60 1701 1994 REMARK 1 REFN ISSN 0099-2240 REMARK 2 REMARK 2 RESOLUTION. 1.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.112 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.111 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.142 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 3513 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 69645 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.102 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.101 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.130 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 2959 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 58165 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1662 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 45 REMARK 3 SOLVENT ATOMS : 270 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 1936.6 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 1509.0 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 34 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 20212 REMARK 3 NUMBER OF RESTRAINTS : 28536 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.017 REMARK 3 ANGLE DISTANCES (A) : 0.035 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.002 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.032 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.084 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.077 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.025 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.005 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.043 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.084 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: SHELX SWAT REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: TARGET VALUES FOR 2-DEOXY-2-FLUORO-CELLOTRIO WERE REMARK 3 TAKEN FROM THE CRYSTAL STRUCTURE OF METHYL-BETA- REMARK 3 CELL TRIOSIDE; S.RAYMOND, B.HENRISSAT,D.T.QUI, REMARK 3 A.KVICK, H.CHANZY, CAROBOHYDRATE RESEARCH 277,209- REMARK 3 229. REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 ANISOTROPIC REFINEMENT REDUCED FREE R (NO CUTOFF) BY 3.95. REMARK 3 RESIDUES ASP 104, GLU 120 AND MET 122 EXHIBIT DISORDER REMARK 3 WHICH IS COUPLED TO THE TWO CONFORMATIONS OF REMARK 3 2-DEOXY-2-FLUORO-GLUCOSE. REMARK 3 THE NUCLEOPHILE GLU 120 IS PRESENT IN TRIPLE CONFORMATION. REMARK 3 CONFORMER B AND C ARE COVALENTLY LINKED TO THE REMARK 3 FLUOROCELLOTRIOSIDE. REMARK 3 HYDROGEN ATOMS HAVE NOT BEEN LOCATED ONLY ON ALL DISORDERED REMARK 3 RESIDUES. REMARK 3 ASP 95 AND GLY 96 SIT NEAR THE CRYSTALLOGRAPHIC TWOFOLD REMARK 3 AXIS AND ARE PRESENT IN TWO ALTERNATIVE AND COMPLEMENTARY REMARK 3 CONFORMATIONS. REMARK 3 THR 222 IS THE LAST VISIBLE RESIDUE IN THE ELECTRON DENSITY REMARK 3 MAP. REMARK 3 PRO 76 IS PRESENT IN THE CIS CONFORMATION. REMARK 4 REMARK 4 2NLR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-NOV-98. REMARK 100 THE DEPOSITION ID IS D_1000000014. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-OCT-97 REMARK 200 TEMPERATURE (KELVIN) : 120 REMARK 200 PH : 4.5 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 : X11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : SI REMARK 200 OPTICS : FOCUSING MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 69645 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.200 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 5.960 REMARK 200 R MERGE (I) : 0.05400 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 14.9300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.22 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.2 REMARK 200 DATA REDUNDANCY IN SHELL : 4.49 REMARK 200 R MERGE FOR SHELL (I) : 0.40800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.740 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 1NLR REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 4.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 29.58033 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 59.16067 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 59.16067 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 29.58033 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, 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 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 A1218 LIES ON A SPECIAL POSITION. REMARK 400 REMARK 400 COMPOUND REMARK 400 ENDOGLUCANASE CELB BELONGS TO GLYCOSYL HYDROLASASE FAMILY REMARK 400 12. THE ENZYME PERFORMS CATALYSIS WITH RETENTION OF REMARK 400 CONFIGURATION AT THE ANOMERIC CARBON. REMARK 400 REMARK 400 THE COORDINATES GIVEN DEFINE THE STRUCTURE OF CELB2, THE REMARK 400 TRUNCATED, CATALYTICALLY COMPETENT, FORM OF ENDOGLUCANASE REMARK 400 CELB, IN COMPLEX WITH 2-DEOXY-2-FLUORO-CELLOTRIOSE. REMARK 400 REMARK 400 TWO SPECIES ARE PRESENT IN THE CRYSTAL, ONE IS THE REMARK 400 GLYCOSYL-ENZYME INTERMEDIATE, WITH 2-DEOXY-2-FLUORO- REMARK 400 CELLOTRIOSYL COVALENTLY BOUND TO THE NUCLEOPHILE GLU 120, REMARK 400 THE OTHER SPECIES IS THE REACTION PRODUCT REMARK 400 2-DEOXY-2-FLUORO-CELLOTRIOSE BOUND TO THE ACTIVE SITE. REMARK 400 THIS IS REPRESENTED BY A DOUBLE CONFORMATION FOR THE REMARK 400 PROXIMAL SACCHARIDE, 2-DEOXY-2FLUORO-GLUCOSE. 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 GLY A 223 REMARK 465 THR A 224 REMARK 465 PRO A 225 REMARK 465 GLY A 226 REMARK 465 GLY A 227 REMARK 465 THR A 228 REMARK 465 ASP A 229 REMARK 465 PRO A 230 REMARK 465 GLY A 231 REMARK 465 ASP A 232 REMARK 465 PRO A 233 REMARK 465 GLY A 234 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 GLN A 14 CA - CB - CG ANGL. DEV. = 18.0 DEGREES REMARK 500 ARG A 16 NE - CZ - NH2 ANGL. DEV. = -7.0 DEGREES REMARK 500 ARG A 23 NE - CZ - NH2 ANGL. DEV. = -4.2 DEGREES REMARK 500 ARG A 40 CD - NE - CZ ANGL. DEV. = 18.2 DEGREES REMARK 500 ARG A 40 NE - CZ - NH1 ANGL. DEV. = -5.8 DEGREES REMARK 500 ARG A 40 NE - CZ - NH1 ANGL. DEV. = 6.5 DEGREES REMARK 500 ARG A 40 NE - CZ - NH2 ANGL. DEV. = -4.7 DEGREES REMARK 500 ASP A 80 CB - CG - OD1 ANGL. DEV. = 5.8 DEGREES REMARK 500 ASP A 95 CB - CA - C ANGL. DEV. = 12.5 DEGREES REMARK 500 ASP A 95 CB - CG - OD2 ANGL. DEV. = 7.4 DEGREES REMARK 500 ARG A 112 NE - CZ - NH2 ANGL. DEV. = -4.2 DEGREES REMARK 500 PHE A 125 CB - CG - CD2 ANGL. DEV. = -4.7 DEGREES REMARK 500 ARG A 127 NE - CZ - NH1 ANGL. DEV. = -7.5 DEGREES REMARK 500 ARG A 127 NE - CZ - NH2 ANGL. DEV. = 7.6 DEGREES REMARK 500 ARG A 181 CD - NE - CZ ANGL. DEV. = 18.5 DEGREES REMARK 500 ARG A 181 CD - NE - CZ ANGL. DEV. = 8.8 DEGREES REMARK 500 ARG A 181 NH1 - CZ - NH2 ANGL. DEV. = 6.7 DEGREES REMARK 500 ARG A 181 NE - CZ - NH2 ANGL. DEV. = -4.3 DEGREES REMARK 500 ARG A 186 CD - NE - CZ ANGL. DEV. = 9.0 DEGREES REMARK 500 ARG A 186 NE - CZ - NH1 ANGL. DEV. = 10.5 DEGREES REMARK 500 ARG A 186 NE - CZ - NH2 ANGL. DEV. = -8.2 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 GLN A 14 28.19 45.40 REMARK 500 GLN A 14 46.71 23.49 REMARK 500 ARG A 16 -28.91 -142.85 REMARK 500 ALA A 44 79.67 -156.01 REMARK 500 THR A 67 -10.81 75.72 REMARK 500 ALA A 97 -177.45 67.72 REMARK 500 ASN A 207 -143.57 57.03 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ABC REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: ACID BASE CATALYST, GLU 203. REMARK 800 REMARK 800 SITE_IDENTIFIER: NUC REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC NUCLEOPHILE, CGLU 120, OVALENTLY REMARK 800 LINKED TO THE FLUOROCELLOTRIOSIDE. REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE CONSTRUCT CELB2 WAS AMPLIFIED UP TO RESIDUE 274 (U04629 REMARK 999 WHICH IS THE END OF THE JUNCTION BETWEEN THE CATALYTIC REMARK 999 DOMAIN AND THE CELLULOSE BINDING DOMAIN OF CELB. REMARK 999 REMARK 999 THE DEPOSITED COORDINATES CORRESPOND TO THE MATURE REMARK 999 CATALYTIC DOMAIN OF CELB. REMARK 999 RESIDUES 1 TO 40 OF THE ENTRY U04629 CORRESPOND TO THE REMARK 999 SIGNALLING PEPTIDE OF CELB AND ARE NOT PART OF THE MATURE REMARK 999 PROTEIN CELB2. REMARK 999 REMARK 999 IT FOLLOWS THAT THERE IS A DISCREPANCY BETWEEN THE REMARK 999 NUMBERING OF THE ENTRY U04629 AND THE PESENT ENTRY, REMARK 999 CORRESPONDING TO THE 40 MISSING RESIDUES OF THE C-TERMINAL. REMARK 999 REMARK 999 RESIDUES 263 TO 274 (U04629) CORRESPOND TO THE FLEXIBLE REMARK 999 LINKER REGION, NOT VISIBLE IN THE ELECTRON DENSITY MAP, REMARK 999 MAY BE NOT EVEN PRESENT IN THE PROTEIN BECAUSE OF REMARK 999 PROTEOLYTIC DIGESTION. REMARK 999 REMARK 999 RESIDUES 274 -381 ((U04629) CORRESPOND TO THE CELLULOSE REMARK 999 BINDING DOMAIN (CBD-DOMAIN) AND ARE NOT PRESENT IN THIS REMARK 999 ENTRY. REMARK 999 REMARK 999 CELB (ENTRY U04629) CELB2 (PRESENT ENTRY) REMARK 999 RESIDUE 1-40 (SIGNALLING PEP.) ABSENT REMARK 999 RESIDUE 41-263 (CATALYTIC DOM.) RESIDUE 1-222 REMARK 999 RESIDUE 263-274 (FLEXIBLE LINKER) ABSENT (RES. 223-234) REMARK 999 RESIDUE 274-381 ( CBD-DOMAIN) ABSENT DBREF 2NLR A 1 234 GB 2462718 U04629 41 274 SEQRES 1 A 234 ASP THR THR ILE CYS GLU PRO PHE GLY THR THR THR ILE SEQRES 2 A 234 GLN GLY ARG TYR VAL VAL GLN ASN ASN ARG TRP GLY SER SEQRES 3 A 234 THR ALA PRO GLN CYS VAL THR ALA THR ASP THR GLY PHE SEQRES 4 A 234 ARG VAL THR GLN ALA ASP GLY SER ALA PRO THR ASN GLY SEQRES 5 A 234 ALA PRO LYS SER TYR PRO SER VAL PHE ASN GLY CYS HIS SEQRES 6 A 234 TYR THR ASN CYS SER PRO GLY THR ASP LEU PRO VAL ARG SEQRES 7 A 234 LEU ASP THR VAL SER ALA ALA PRO SER SER ILE SER TYR SEQRES 8 A 234 GLY PHE VAL ASP GLY ALA VAL TYR ASN ALA SER TYR ASP SEQRES 9 A 234 ILE TRP LEU ASP PRO THR ALA ARG THR ASP GLY VAL ASN SEQRES 10 A 234 GLN THR GLU ILE MET ILE TRP PHE ASN ARG VAL GLY PRO SEQRES 11 A 234 ILE GLN PRO ILE GLY SER PRO VAL GLY THR ALA SER VAL SEQRES 12 A 234 GLY GLY ARG THR TRP GLU VAL TRP SER GLY GLY ASN GLY SEQRES 13 A 234 SER ASN ASP VAL LEU SER PHE VAL ALA PRO SER ALA ILE SEQRES 14 A 234 SER GLY TRP SER PHE ASP VAL MET ASP PHE VAL ARG ALA SEQRES 15 A 234 THR VAL ALA ARG GLY LEU ALA GLU ASN ASP TRP TYR LEU SEQRES 16 A 234 THR SER VAL GLN ALA GLY PHE GLU PRO TRP GLN ASN GLY SEQRES 17 A 234 ALA GLY LEU ALA VAL ASN SER PHE SER SER THR VAL GLU SEQRES 18 A 234 THR GLY THR PRO GLY GLY THR ASP PRO GLY ASP PRO GLY HET SHG B 1 12 HET G2F B 1 11 HET BGC B 2 19 HET BGC B 3 22 HETNAM SHG 2-DEOXY-2-FLUORO-BETA-D-GLUCOPYRANOSE HETNAM G2F 2-DEOXY-2-FLUORO-ALPHA-D-GLUCOPYRANOSE HETNAM BGC BETA-D-GLUCOPYRANOSE HETSYN SHG 2-DEOXY-2-FLUORO-BETA-D-GLUCOSE; 2-DEOXY-2-FLUORO-D- HETSYN 2 SHG GLUCOSE; 2-DEOXY-2-FLUORO-GLUCOSE HETSYN G2F 2-DEOXY-2-FLUORO-ALPHA-D-GLUCOSE; 2-DEOXY-2-FLUORO-D- HETSYN 2 G2F GLUCOSE; 2-DEOXY-2-FLUORO-GLUCOSE HETSYN BGC BETA-D-GLUCOSE; D-GLUCOSE; GLUCOSE FORMUL 2 SHG C6 H11 F O5 FORMUL 2 G2F C6 H11 F O5 FORMUL 2 BGC 2(C6 H12 O6) FORMUL 3 HOH *270(H2 O) HELIX 1 1 LEU A 79 THR A 81 5 3 HELIX 2 2 VAL A 176 ALA A 185 1 10 SHEET 1 A 3 THR A 2 ILE A 4 0 SHEET 2 A 3 GLN A 30 ALA A 34 0 SHEET 3 A 3 PHE A 39 ALA A 44 -1 N GLN A 43 O CYS A 31 SHEET 1 B 9 THR A 10 ILE A 13 0 SHEET 2 B 9 TYR A 17 GLN A 20 0 SHEET 3 B 9 SER A 59 GLY A 63 -1 N PHE A 61 O VAL A 18 SHEET 4 B 9 SER A 197 GLN A 206 -1 N ALA A 200 O VAL A 60 SHEET 5 B 9 VAL A 98 LEU A 107 -1 N TRP A 106 O SER A 197 SHEET 6 B 9 THR A 119 VAL A 128 -1 N VAL A 128 O TYR A 99 SHEET 7 B 9 ASP A 159 ALA A 165 1 N ASP A 159 O GLU A 120 SHEET 8 B 9 ARG A 146 GLY A 154 -1 N GLY A 153 O VAL A 160 SHEET 9 B 9 SER A 136 VAL A 143 -1 N VAL A 143 O ARG A 146 SHEET 1 C 3 GLY A 171 ASP A 175 0 SHEET 2 C 3 PRO A 86 GLY A 92 0 SHEET 3 C 3 ALA A 212 SER A 218 -1 N SER A 217 O SER A 88 SSBOND 1 CYS A 5 CYS A 31 1555 1555 2.05 SSBOND 2 CYS A 64 CYS A 69 1555 1555 2.07 LINK OE2BGLU A 120 C1 BG2F B 1 1555 1555 1.55 LINK O4 BG2F B 1 C1 BGC B 2 1555 1555 1.44 LINK O4 ASHG B 1 C1 BGC B 2 1555 1555 1.42 LINK O4 BGC B 2 C1 BGC B 3 1555 1555 1.40 CISPEP 1 LEU A 75 PRO A 76 0 -6.63 CISPEP 2 LEU A 75 PRO A 76 0 4.82 SITE 1 ABC 1 GLU A 203 SITE 1 NUC 1 GLU A 120 CRYST1 65.960 65.960 88.741 90.00 90.00 120.00 P 31 2 1 6 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 0.015161 0.008753 0.000000 0.00000 SCALE2 0.000000 0.017506 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011269 0.00000