HEADER HYDROLASE 21-NOV-97 8CEL TITLE THEORETICAL MODEL OF CBH1 IN COMPLEX WITH A CELLULOSE TITLE 2 NANOMER COMPND MOL_ID: 1; COMPND 2 MOLECULE: 1,4-BETA-D-GLUCAN CELLOBIOHYDROLASE I; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN, RESIDUES 1 - 434; COMPND 5 SYNONYM: EXOGLUCANASE, EXOCELLULASE; COMPND 6 EC: 3.2.1.91; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TRICHODERMA REESEI; SOURCE 3 ORGANISM_COMMON: FUNGUS; SOURCE 4 STRAIN: QM 9414; SOURCE 5 VARIANT: VTT-D-93201; SOURCE 6 GENE: CBH1; SOURCE 7 EXPRESSION_SYSTEM: TRICHODERMA REESEI; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PEM-F5; SOURCE 9 EXPRESSION_SYSTEM_GENE: CBH1 KEYWDS HYDROLASE, CELLULOSE DEGRADATION, GLYCOSIDASE, GLYCOPROTEIN, KEYWDS 2 GLYCOSYLATED PROTEIN EXPDTA THEORETICAL MODEL AUTHOR C.DIVNE,J.STAHLBERG,T.A.JONES REVDAT 1 25-FEB-98 8CEL 0 JRNL AUTH C.DIVNE,J.STAHLBERG,T.T.TEERI,T.A.JONES JRNL TITL HIGH-RESOLUTION CRYSTAL STRUCTURES REVEAL HOW A JRNL TITL 2 CELLULOSE CHAIN IS BOUND IN THE 50 A LONG TUNNEL JRNL TITL 3 OF CELLOBIOHYDROLASE I FROM TRICHODERMA REESEI. JRNL REF J.MOL.BIOL. V. 275 309 1998 JRNL REFN ASTM JMOBAK UK ISSN 0022-2836 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.STAHLBERG,C.DIVNE,A.KOIVULA,K.PIENS,M.CLAEYSSENS, REMARK 1 AUTH 2 T.T.TEERI,T.A.JONES REMARK 1 TITL ACTIVITY STUDIES AND CRYSTAL STRUCTURES OF REMARK 1 TITL 2 CATALYTICALLY DEFICIENT MUTANTS OF REMARK 1 TITL 3 CELLOBIOHYDROLASE I FROM TRICHODERMA REESEI REMARK 1 REF J.MOL.BIOL. V. 264 337 1996 REMARK 1 REFN ASTM JMOBAK UK ISSN 0022-2836 REMARK 1 REFERENCE 2 REMARK 1 AUTH C.DIVNE,J.STAHLBERG,T.REINIKAINEN,L.RUOHONEN, REMARK 1 AUTH 2 G.PETTERSSON,J.K.KNOWLES,T.T.TEERI,T.A.JONES REMARK 1 TITL THE THREE-DIMENSIONAL CRYSTAL STRUCTURE OF THE REMARK 1 TITL 2 CATALYTIC CORE OF CELLOBIOHYDROLASE I FROM REMARK 1 TITL 3 TRICHODERMA REESEI REMARK 1 REF SCIENCE V. 265 524 1994 REMARK 1 REFN ASTM SCIEAS US ISSN 0036-8075 REMARK 1 REFERENCE 3 REMARK 1 AUTH C.DIVNE,I.SINNING,J.STAHLBERG,G.PETTERSSON, REMARK 1 AUTH 2 M.BAILEY,M.SIIKA-AHO,E.MARGOLLES-CLARK,T.TEERI, REMARK 1 AUTH 3 T.A.JONES REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY STUDIES ON REMARK 1 TITL 2 THE CORE PROTEINS OF CELLOBIOHYDROLASE I AND REMARK 1 TITL 3 ENDOGLUCANASE I FROM TRICHODERMA REESEI REMARK 1 REF J.MOL.BIOL. V. 234 905 1993 REMARK 1 REFN ASTM JMOBAK UK ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: TO RELIEVE GEOMETRIC STRAIN AND REMARK 3 IMPOSE FAVORABLE VAN DER WAALS CONTACTS, THE MODEL WAS REMARK 3 SUBJECTED TO 200 CYCLES OF CONVENTIONAL ENERGY MINIMIZATION REMARK 3 USING X-PLOR WITHOUT THE X-RAY PSEUDO-ENERGY TERM. DURING REMARK 3 MINIMIZATION, ONLY PROTEIN RESIDUES 217 AND 228 AND GLUCOSYL REMARK 3 RESIDUES 452 - 455 WERE ALLOWED TO MOVE. REMARK 4 REMARK 4 8CEL COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 6 REMARK 6 THE COORDINATES GIVEN DEFINE THE STRUCTURE OF ONLY THE REMARK 6 CATALYTIC DOMAIN (RESIDUES 18 - 451) OF THE 497 RESIDUES IN REMARK 6 THE MATURE PROTEIN. THE N-TERMINUS IN THE MATURE PROTEIN REMARK 6 IS PROTECTED BY A PYROGLUTAMATE RESIDUE. REMARK 7 REMARK 7 AN N-ACETYL-GLUCOSAMINE RESIDUE IS BOUND TO ASN 270 AND HAS REMARK 7 THE RESIDUE NAME NAG. REMARK 8 REMARK 8 THE ACTIVE-SITE RESIDUES THAT ARE INVOLVED IN CATALYSIS ARE REMARK 8 GLU 212, ASP 214, GLU 217, AND HIS 228. THESE ARE REFERRED REMARK 8 TO AS SITE CAT. REMARK 9 REMARK 9 A CELLONONAOSE MOLECULE (RESIDUES 452 - 460) HAS BEEN REMARK 9 MODELLED IN THE CELLULOSE-BINDING TUNNEL OF CBH1. THE REMARK 9 CELLOOLIGOMER COMPRISES RESIDUES 452 - 460 THAT OCCUPY REMARK 9 BINDING SITES +2,+1,-1,-2,-3,-4,-5,-6 AND -7, RESPECTIVELY. REMARK 9 THE GLUCOSYL UNIT IN SITE -1 HAS A BOAT CONFORMATION. REMARK 220 REMARK 220 EXPERIMENTAL DETAILS REMARK 220 EXPERIMENT TYPE : THEORETICAL MODELLING REMARK 220 REMARK 220 REMARK: NULL REMARK 225 REMARK 225 THEORETICAL MODEL REMARK 225 THE COORDINATES IN THIS ENTRY REPRESENT A MODEL STRUCTURE. REMARK 225 PROTEIN DATA BANK CONVENTIONS REQUIRE THAT CRYST1 AND REMARK 225 SCALE RECORDS BE INCLUDED, BUT THE VALUES ON THESE REMARK 225 RECORDS ARE MEANINGLESS. REMARK 460 REMARK 460 NON-IUPAC REMARK 460 BY REQUEST OF THE DEPOSITOR, THE PROTEIN DATA BANK HAS NOT REMARK 460 APPLIED THE IUPAC-IUB RECOMMENDATIONS REGARDING THE REMARK 460 DESIGNATION OF BRANCHES 1 AND 2 OF SIDE-CHAIN ATOMS IN REMARK 460 RESIDUES ARG, ASP, GLU, LEU, PHE, TYR, AND VAL TO THIS REMARK 460 ENTRY. 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),F6.3) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 MET A 213 SD MET A 213 CE -0.041 REMARK 500 GLU A 217 CD GLU A 217 OE2 0.077 REMARK 500 PRO A 276 CB PRO A 276 CG 0.043 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: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 107 N - CA - C ANGL. DEV. = -9.1 DEGREES REMARK 500 GLY A 142 N - CA - C ANGL. DEV. =-10.5 DEGREES REMARK 500 LEU A 144 N - CA - C ANGL. DEV. = -8.6 DEGREES REMARK 500 GLU A 217 N - CA - C ANGL. DEV. =-11.0 DEGREES REMARK 500 THR A 226 N - CA - C ANGL. DEV. = 9.1 DEGREES REMARK 500 THR A 232 N - CA - C ANGL. DEV. = -9.7 DEGREES REMARK 500 ASP A 378 N - CA - C ANGL. DEV. = 9.9 DEGREES REMARK 500 GLY A 402 N - CA - C ANGL. DEV. = 9.1 DEGREES REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 SITE_DESCRIPTION: ACTIVE SITE. REMARK 999 REMARK 999 SEQUENCE REMARK 999 8CEL SWS P00725 1 - 17 NOT IN ATOMS LIST REMARK 999 8CEL SWS P00725 452 - 513 NOT IN ATOMS LIST DBREF 8CEL A 2 434 UNP P62694 GUX1_TRIRE 18 451 SEQADV 8CEL ASP A 94 UNP P62694 GLY 111 CLONING ARTIFACT SEQRES 1 A 434 PCA SER ALA CYS THR LEU GLN SER GLU THR HIS PRO PRO SEQRES 2 A 434 LEU THR TRP GLN LYS CYS SER SER GLY GLY THR CYS THR SEQRES 3 A 434 GLN GLN THR GLY SER VAL VAL ILE ASP ALA ASN TRP ARG SEQRES 4 A 434 TRP THR HIS ALA THR ASN SER SER THR ASN CYS TYR ASP SEQRES 5 A 434 GLY ASN THR TRP SER SER THR LEU CYS PRO ASP ASN GLU SEQRES 6 A 434 THR CYS ALA LYS ASN CYS CYS LEU ASP GLY ALA ALA TYR SEQRES 7 A 434 ALA SER THR TYR GLY VAL THR THR SER GLY ASN SER LEU SEQRES 8 A 434 SER ILE ASP PHE VAL THR GLN SER ALA GLN LYS ASN VAL SEQRES 9 A 434 GLY ALA ARG LEU TYR LEU MET ALA SER ASP THR THR TYR SEQRES 10 A 434 GLN GLU PHE THR LEU LEU GLY ASN GLU PHE SER PHE ASP SEQRES 11 A 434 VAL ASP VAL SER GLN LEU PRO CYS GLY LEU ASN GLY ALA SEQRES 12 A 434 LEU TYR PHE VAL SER MET ASP ALA ASP GLY GLY VAL SER SEQRES 13 A 434 LYS TYR PRO THR ASN THR ALA GLY ALA LYS TYR GLY THR SEQRES 14 A 434 GLY TYR CYS ASP SER GLN CYS PRO ARG ASP LEU LYS PHE SEQRES 15 A 434 ILE ASN GLY GLN ALA ASN VAL GLU GLY TRP GLU PRO SER SEQRES 16 A 434 SER ASN ASN ALA ASN THR GLY ILE GLY GLY HIS GLY SER SEQRES 17 A 434 CYS CYS SER GLU MET ASP ILE TRP GLU ALA ASN SER ILE SEQRES 18 A 434 SER GLU ALA LEU THR PRO HIS PRO CYS THR THR VAL GLY SEQRES 19 A 434 GLN GLU ILE CYS GLU GLY ASP GLY CYS GLY GLY THR TYR SEQRES 20 A 434 SER ASP ASN ARG TYR GLY GLY THR CYS ASP PRO ASP GLY SEQRES 21 A 434 CYS ASP TRP ASN PRO TYR ARG LEU GLY ASN THR SER PHE SEQRES 22 A 434 TYR GLY PRO GLY SER SER PHE THR LEU ASP THR THR LYS SEQRES 23 A 434 LYS LEU THR VAL VAL THR GLN PHE GLU THR SER GLY ALA SEQRES 24 A 434 ILE ASN ARG TYR TYR VAL GLN ASN GLY VAL THR PHE GLN SEQRES 25 A 434 GLN PRO ASN ALA GLU LEU GLY SER TYR SER GLY ASN GLU SEQRES 26 A 434 LEU ASN ASP ASP TYR CYS THR ALA GLU GLU ALA GLU PHE SEQRES 27 A 434 GLY GLY SER SER PHE SER ASP LYS GLY GLY LEU THR GLN SEQRES 28 A 434 PHE LYS LYS ALA THR SER GLY GLY MET VAL LEU VAL MET SEQRES 29 A 434 SER LEU TRP ASP ASP TYR TYR ALA ASN MET LEU TRP LEU SEQRES 30 A 434 ASP SER THR TYR PRO THR ASN GLU THR SER SER THR PRO SEQRES 31 A 434 GLY ALA VAL ARG GLY SER CYS SER THR SER SER GLY VAL SEQRES 32 A 434 PRO ALA GLN VAL GLU SER GLN SER PRO ASN ALA LYS VAL SEQRES 33 A 434 THR PHE SER ASN ILE LYS PHE GLY PRO ILE GLY SER THR SEQRES 34 A 434 GLY ASN PRO SER GLY MODRES ASN A 270 ASN GLYCOSYLATION SITE MODRES 8CEL ASN A 270 ASN GLYCOSYLATION SITE MODRES 8CEL PCA A 1 GLU PYROGLUTAMIC ACID HET PCA A 1 8 HET NAG 435 14 HET GLC 452 12 HET GLC 453 11 HET GLC 454 11 HET GLC 455 11 HET GLC 456 11 HET GLC 457 11 HET GLC 458 11 HET GLC 459 11 HET GLC 460 11 HET CO 461 1 HET CO 1000 1 HETNAM PCA PYROGLUTAMIC ACID HETNAM NAG N-ACETYL-D-GLUCOSAMINE HETNAM GLC GLUCOSE HETNAM CO COBALT (II) ION HETSYN NAG NAG FORMUL 1 PCA C5 H7 N O3 FORMUL 2 NAG C8 H15 N O6 FORMUL 3 GLC 9(C6 H12 O6) FORMUL 4 CO 2(CO 2+) FORMUL 6 HOH *305(H2 O1) HELIX 1 1 ALA A 36 TRP A 38 5 3 HELIX 2 2 ASN A 64 ASN A 70 1 7 HELIX 3 3 TYR A 78 TYR A 82 1 5 HELIX 4 4 ALA A 165 TYR A 167 5 3 HELIX 5 5 GLY A 240 CYS A 243 5 4 HELIX 6 6 ASP A 328 PHE A 338 1 11 HELIX 7 7 SER A 342 ASP A 345 1 4 HELIX 8 8 GLY A 348 SER A 357 1 10 HELIX 9 9 LEU A 375 ASP A 378 1 4 HELIX 10 10 PRO A 404 GLN A 410 1 7 SHEET 1 A11 VAL A 309 GLN A 312 0 SHEET 2 A11 ILE A 300 GLN A 306 -1 N GLN A 306 O VAL A 309 SHEET 3 A11 LEU A 288 PHE A 294 -1 N GLN A 293 O ASN A 301 SHEET 4 A11 ASN A 125 VAL A 131 -1 N VAL A 131 O LEU A 288 SHEET 5 A11 LYS A 422 PRO A 425 -1 N GLY A 424 O GLU A 126 SHEET 6 A11 PRO A 12 CYS A 19 1 N GLN A 17 O PHE A 423 SHEET 7 A11 CYS A 25 ILE A 34 -1 N VAL A 32 O PRO A 12 SHEET 8 A11 ALA A 106 MET A 111 -1 N MET A 111 O SER A 31 SHEET 9 A11 VAL A 361 ASP A 368 -1 N LEU A 366 O ALA A 106 SHEET 10 A11 LEU A 140 VAL A 147 -1 N VAL A 147 O VAL A 361 SHEET 11 A11 TRP A 216 ALA A 218 -1 N ALA A 218 O GLY A 142 SHEET 1 B 2 THR A 41 ALA A 43 0 SHEET 2 B 2 CYS A 71 LEU A 73 -1 N CYS A 72 O HIS A 42 SHEET 1 C 4 VAL A 84 SER A 87 0 SHEET 2 C 4 SER A 90 ASP A 94 -1 N SER A 92 O THR A 85 SHEET 3 C 4 LYS A 415 SER A 419 -1 N PHE A 418 O LEU A 91 SHEET 4 C 4 ASP A 130 ASP A 132 -1 N ASP A 132 O THR A 417 SHEET 1 D 2 VAL A 96 GLN A 98 0 SHEET 2 D 2 LYS A 102 VAL A 104 -1 N ASN A 103 O THR A 97 SHEET 1 E 2 HIS A 206 CYS A 209 0 SHEET 2 E 2 GLU A 236 GLU A 239 -1 N CYS A 238 O GLY A 207 SHEET 1 F 3 GLU A 212 ASP A 214 0 SHEET 2 F 3 LEU A 225 HIS A 228 -1 N HIS A 228 O GLU A 212 SHEET 3 F 3 CYS A 261 TRP A 263 -1 N TRP A 263 O LEU A 225 SHEET 1 G 2 ALA A 316 LEU A 318 0 SHEET 2 G 2 TYR A 321 GLY A 323 -1 N GLY A 323 O ALA A 316 SSBOND 1 CYS A 4 CYS A 72 SSBOND 2 CYS A 19 CYS A 25 SSBOND 3 CYS A 50 CYS A 71 SSBOND 4 CYS A 61 CYS A 67 SSBOND 5 CYS A 138 CYS A 397 SSBOND 6 CYS A 172 CYS A 210 SSBOND 7 CYS A 176 CYS A 209 SSBOND 8 CYS A 230 CYS A 256 SSBOND 9 CYS A 238 CYS A 243 SSBOND 10 CYS A 261 CYS A 331 LINK C PCA A 1 N SER A 2 LINK C1 NAG 435 ND2 ASN A 270 LINK O4 GLC 452 C1 GLC 453 LINK O4 GLC 453 C1 GLC 454 LINK O4 GLC 454 C1 GLC 455 LINK O4 GLC 455 C1 GLC 456 LINK O4 GLC 456 C1 GLC 457 LINK O4 GLC 457 C1 GLC 458 LINK O4 GLC 458 C1 GLC 459 LINK O4 GLC 459 C1 GLC 460 CISPEP 1 TYR A 381 PRO A 382 0 -0.41 SITE 1 CAT 4 GLU A 212 ASP A 214 GLU A 217 HIS A 228 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MASTER 126 0 13 10 26 0 1 6 0 0 0 34 END