HEADER HYDROLASE 20-JAN-99 8A3H TITLE CELLOBIOSE-DERIVED IMIDAZOLE COMPLEX OF THE ENDOGLUCANASE CEL5A FROM TITLE 2 BACILLUS AGARADHAERENS AT 0.97 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (ENDOGLUCANASE); COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC CORE DOMAIN; COMPND 5 SYNONYM: CELLULASE; COMPND 6 EC: 3.2.1.4; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS AGARADHAERENS; SOURCE 3 ORGANISM_TAXID: 76935; SOURCE 4 STRAIN: AC13 (NCIMB 40482); SOURCE 5 EXPRESSION_SYSTEM: BACILLUS SUBTILIS; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 1423; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: PL2306; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: BACILLUS, CELLULASE NEGATIVE STRAIN; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PMOL995; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: THERRAMYL-AMYLASE PROMOTER SYSTEM KEYWDS CELLULOSE DEGRADATION, GLYCOSIDE HYDROLASE FAMILY 5, ENDOGLUCANASE, KEYWDS 2 TRANSITION STATE ANALOGUE, LATERAL PROTONATION, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR A.VARROT,M.SCHULEIN,M.PIPELIER,A.VASELLA,G.J.DAVIES REVDAT 6 27-DEC-23 8A3H 1 HETSYN REVDAT 5 29-JUL-20 8A3H 1 COMPND REMARK SEQADV HETNAM REVDAT 5 2 1 SITE ATOM REVDAT 4 13-JUL-11 8A3H 1 VERSN REVDAT 3 24-FEB-09 8A3H 1 VERSN REVDAT 2 29-MAR-05 8A3H 1 JRNL REVDAT 1 21-JAN-00 8A3H 0 JRNL AUTH A.VARROT,M.SCHULEIN,M.PIPELIER,A.VASELLA,G.J.DAVIES JRNL TITL LATERAL PROTONATION OF A GLYCOSIDASE INHIBITOR. STRUCTURE OF JRNL TITL 2 THE BACILLUS AGARADHAERENS CEL5A IN COMPLEX WITH A JRNL TITL 3 CELLOBIOSE-DERIVED IMIDAZOLE AT 0.97 A RESOLUTION JRNL REF J.AM.CHEM.SOC. V. 121 2621 1999 JRNL REFN ISSN 0002-7863 REMARK 2 REMARK 2 RESOLUTION. 0.97 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 0.97 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 93.0 REMARK 3 NUMBER OF REFLECTIONS : 152310 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 + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.104 REMARK 3 FREE R VALUE : 0.118 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 8085 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2377 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 76 REMARK 3 SOLVENT ATOMS : 499 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 6.44 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.017 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.033 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.043 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.034 ; 0.040 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.124 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.169 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.256 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : 0.099 ; 0.300 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 6.200 ; 7.000 REMARK 3 STAGGERED (DEGREES) : 11.800; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 28.800; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.922 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.585 ; 3.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.755 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.626 ; 3.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 8A3H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-AUG-99. REMARK 100 THE DEPOSITION ID IS D_1000007240. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-OCT-98 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 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) : 0.9076 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 149215 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.970 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.0 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : 0.03200 REMARK 200 R SYM (I) : 0.03200 REMARK 200 FOR THE DATA SET : 44.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.97 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 54.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.20 REMARK 200 R MERGE FOR SHELL (I) : 0.32100 REMARK 200 R SYM FOR SHELL (I) : 0.32100 REMARK 200 FOR SHELL : 3.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: CCP4 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.14 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN CONCENTRATION 20 MG/ML, 2 M REMARK 280 AMMONIUM SULPHATE, 100 MM SODIUM CITRATE PH 5.5, 10% GLYCEROL 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 27.22500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 38.66000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 34.94000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 38.66000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.22500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 34.94000 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 400 REMARK 400 COMPOUND REMARK 400 THE THREE FIRST RESIDUES ARE DISORDERED SO SEQUENCE STARTS REMARK 400 AT RESIDUE SER A 4 . THIS IS THE NATURALLY OCCURING CORE REMARK 400 DOMAIN AFTER LOSS OF THE CELLULOSE BINDING DOMAIN 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 ASP A 1 REMARK 465 ASN A 2 REMARK 465 ASP A 3 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),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 PRO A 153 CD PRO A 153 N 0.090 REMARK 500 PRO A 167 CD PRO A 167 N 0.096 REMARK 500 PRO A 276 CD PRO A 276 N 0.089 REMARK 500 PRO A 276 CD PRO A 276 N 0.090 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 GLU A 7 OE1 - CD - OE2 ANGL. DEV. = -11.1 DEGREES REMARK 500 ARG A 23 NE - CZ - NH1 ANGL. DEV. = -3.4 DEGREES REMARK 500 ASP A 74 CB - CG - OD2 ANGL. DEV. = 5.4 DEGREES REMARK 500 ASP A 99 CB - CG - OD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 MET A 122 CA - CB - CG ANGL. DEV. = 14.5 DEGREES REMARK 500 VAL A 132 CA - CB - CG2 ANGL. DEV. = 10.6 DEGREES REMARK 500 ASP A 144 CB - CG - OD1 ANGL. DEV. = 14.4 DEGREES REMARK 500 ASP A 144 CB - CG - OD2 ANGL. DEV. = -8.4 DEGREES REMARK 500 GLU A 157 OE1 - CD - OE2 ANGL. DEV. = 9.6 DEGREES REMARK 500 ASP A 181 CB - CG - OD1 ANGL. DEV. = 6.3 DEGREES REMARK 500 ARG A 255 CA - CB - CG ANGL. DEV. = -15.8 DEGREES REMARK 500 ARG A 255 NE - CZ - NH2 ANGL. DEV. = -4.4 DEGREES REMARK 500 ARG A 255 NE - CZ - NH2 ANGL. DEV. = -4.5 DEGREES REMARK 500 ARG A 255 CA - C - N ANGL. DEV. = 14.9 DEGREES REMARK 500 ARG A 255 O - C - N ANGL. DEV. = 10.0 DEGREES REMARK 500 ARG A 255 O - C - N ANGL. DEV. = -13.3 DEGREES REMARK 500 PRO A 276 CA - C - N ANGL. DEV. = 13.8 DEGREES REMARK 500 ARG A 301 NE - CZ - NH1 ANGL. DEV. = 3.0 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 SER A 68 -164.10 -100.45 REMARK 500 LEU A 103 -79.05 -159.86 REMARK 500 ALA A 137 96.16 -165.79 REMARK 500 ASN A 168 8.21 -158.86 REMARK 500 ASP A 237 -153.66 -134.07 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 62 0.10 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 THE IMIDAZOLE-DERIVED CELLOBIOSIDE IS REMARK 600 BOUND IN THE -2 AND -1 SUBSITE. THE REMARK 600 IMIDAZOLE RING SITE IN THE +1 SUBSITE REMARK 600 REMARK 600 GLYCEROL MOLECULE COMING FROM THE REMARK 600 CRYOPROTECTANT SOLUTION REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACI REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC ACID/BASE REMARK 800 REMARK 800 SITE_IDENTIFIER: NUC REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC NUCLEOPHILE REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE FIRST 26 RESIDUES IN THE DATABASE CORRESPONDS REMARK 999 TO THE PROSEQUENCE. OUR NUMBERING BEGINS AT THE REMARK 999 FIRST RESIDUE OBTAINED AFTER CLEAVAGE OF THE REMARK 999 PROSEQUENCE DBREF 8A3H A 1 303 UNP P06565 GUN2_BACS4 27 329 SEQADV 8A3H ASN A 2 UNP P06565 ASP 28 CONFLICT SEQADV 8A3H ASP A 3 UNP P06565 TYR 29 CONFLICT SEQRES 1 A 303 ASP ASN ASP SER VAL VAL GLU GLU HIS GLY GLN LEU SER SEQRES 2 A 303 ILE SER ASN GLY GLU LEU VAL ASN GLU ARG GLY GLU GLN SEQRES 3 A 303 VAL GLN LEU LYS GLY MET SER SER HIS GLY LEU GLN TRP SEQRES 4 A 303 TYR GLY GLN PHE VAL ASN TYR GLU SER MET LYS TRP LEU SEQRES 5 A 303 ARG ASP ASP TRP GLY ILE ASN VAL PHE ARG ALA ALA MET SEQRES 6 A 303 TYR THR SER SER GLY GLY TYR ILE ASP ASP PRO SER VAL SEQRES 7 A 303 LYS GLU LYS VAL LYS GLU ALA VAL GLU ALA ALA ILE ASP SEQRES 8 A 303 LEU ASP ILE TYR VAL ILE ILE ASP TRP HIS ILE LEU SER SEQRES 9 A 303 ASP ASN ASP PRO ASN ILE TYR LYS GLU GLU ALA LYS ASP SEQRES 10 A 303 PHE PHE ASP GLU MET SER GLU LEU TYR GLY ASP TYR PRO SEQRES 11 A 303 ASN VAL ILE TYR GLU ILE ALA ASN GLU PRO ASN GLY SER SEQRES 12 A 303 ASP VAL THR TRP GLY ASN GLN ILE LYS PRO TYR ALA GLU SEQRES 13 A 303 GLU VAL ILE PRO ILE ILE ARG ASN ASN ASP PRO ASN ASN SEQRES 14 A 303 ILE ILE ILE VAL GLY THR GLY THR TRP SER GLN ASP VAL SEQRES 15 A 303 HIS HIS ALA ALA ASP ASN GLN LEU ALA ASP PRO ASN VAL SEQRES 16 A 303 MET TYR ALA PHE HIS PHE TYR ALA GLY THR HIS GLY GLN SEQRES 17 A 303 ASN LEU ARG ASP GLN VAL ASP TYR ALA LEU ASP GLN GLY SEQRES 18 A 303 ALA ALA ILE PHE VAL SER GLU TRP GLY THR SER ALA ALA SEQRES 19 A 303 THR GLY ASP GLY GLY VAL PHE LEU ASP GLU ALA GLN VAL SEQRES 20 A 303 TRP ILE ASP PHE MET ASP GLU ARG ASN LEU SER TRP ALA SEQRES 21 A 303 ASN TRP SER LEU THR HIS LYS ASP GLU SER SER ALA ALA SEQRES 22 A 303 LEU MET PRO GLY ALA ASN PRO THR GLY GLY TRP THR GLU SEQRES 23 A 303 ALA GLU LEU SER PRO SER GLY THR PHE VAL ARG GLU LYS SEQRES 24 A 303 ILE ARG GLU SER HET SO4 A 607 5 HET ACT A 608 4 HET IDC A 500 25 HET GOL A 600 6 HET GOL A 601 6 HET GOL A 602 6 HET GOL A 603 12 HET GOL A 604 6 HET GOL A 605 6 HET GOL A 606 12 HETNAM SO4 SULFATE ION HETNAM ACT ACETATE ION HETNAM IDC (5R,6R,7R,8S)-7,8-DIHYDROXY-5-(HYDROXYMETHYL)-5,6,7,8- HETNAM 2 IDC TETRAHYDROIMIDAZO[1,2-A]PYRIDIN-6-YL BETA-D- HETNAM 3 IDC GLUCOPYRANOSIDE HETNAM GOL GLYCEROL HETSYN IDC 5-HYDROXYMETHYL-5,6,7,8-TETRAHYDRO-IMIDAZO[1,2- HETSYN 2 IDC A]PYRIDIN-6YL-7,8-DIOL-GLUCOPYRANOSIDE; IMIDAZOLE- HETSYN 3 IDC DERIVED CELLOBIOSE; (5R,6R,7R,8S)-7,8-DIHYDROXY-5- HETSYN 4 IDC (HYDROXYMETHYL)-5,6,7,8-TETRAHYDROIMIDAZO[1,2- HETSYN 5 IDC A]PYRIDIN-6-YL BETA-D-GLUCOSIDE; (5R,6R,7R,8S)-7,8- HETSYN 6 IDC DIHYDROXY-5-(HYDROXYMETHYL)-5,6,7,8- HETSYN 7 IDC TETRAHYDROIMIDAZO[1,2-A]PYRIDIN-6-YL D-GLUCOSIDE; (5R, HETSYN 8 IDC 6R,7R,8S)-7,8-DIHYDROXY-5-(HYDROXYMETHYL)-5,6,7,8- HETSYN 9 IDC TETRAHYDROIMIDAZO[1,2-A]PYRIDIN-6-YL GLUCOSIDE HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 SO4 O4 S 2- FORMUL 3 ACT C2 H3 O2 1- FORMUL 4 IDC C14 H22 N2 O9 FORMUL 5 GOL 7(C3 H8 O3) FORMUL 12 HOH *499(H2 O) HELIX 1 1 VAL A 5 HIS A 9 1 5 HELIX 2 2 LEU A 37 PHE A 43 1 7 HELIX 3 3 TYR A 46 ASP A 55 1 10 HELIX 4 4 PRO A 76 LEU A 92 5 17 HELIX 5 5 PRO A 108 TYR A 126 5 19 HELIX 6 6 ILE A 151 ASN A 165 1 15 HELIX 7 7 GLY A 176 SER A 179 1 4 HELIX 8 8 VAL A 182 ALA A 186 1 5 HELIX 9 9 GLN A 208 GLN A 220 1 13 HELIX 10 10 LEU A 242 GLU A 254 1 13 HELIX 11 11 GLU A 286 GLU A 288 5 3 HELIX 12 12 PRO A 291 ARG A 301 1 11 SHEET 1 A 2 SER A 13 SER A 15 0 SHEET 2 A 2 GLU A 18 VAL A 20 -1 N VAL A 20 O SER A 13 SHEET 1 B 5 TRP A 259 ASN A 261 0 SHEET 2 B 5 LYS A 30 SER A 33 1 N GLY A 31 O TRP A 259 SHEET 3 B 5 VAL A 60 TYR A 66 1 N VAL A 60 O MET A 32 SHEET 4 B 5 TYR A 95 HIS A 101 1 N TYR A 95 O PHE A 61 SHEET 5 B 5 VAL A 132 GLU A 135 1 N ILE A 133 O VAL A 96 SHEET 1 C 2 ILE A 171 VAL A 173 0 SHEET 2 C 2 VAL A 195 TYR A 197 1 N MET A 196 O ILE A 171 SHEET 1 D 2 HIS A 200 TYR A 202 0 SHEET 2 D 2 GLU A 228 GLY A 230 1 N GLU A 228 O PHE A 201 CISPEP 1 TRP A 262 SER A 263 0 3.34 SITE 1 ACI 1 GLU A 139 SITE 1 NUC 1 GLU A 228 CRYST1 54.450 69.880 77.320 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 0.018365 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014310 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012933 0.00000