1QNU - Header Asymmetric Unit

HEADER TOXIN 21-OCT-99 1QNU

TITLE SHIGA-LIKE TOXIN I B SUBUNIT COMPLEXED WITH THE TITLE 2 BRIDGED-STARFISH INHIBITOR

COMPND MOL_ID: 1; COMPND 2 MOLECULE: SHIGA-LIKE TOXIN I B SUBUNIT; COMPND 3 CHAIN: A, B, C, D, E; COMPND 4 FRAGMENT: RECEPTOR-BINDING DOMAIN; COMPND 5 SYNONYM: VEROTOXIN I B SUBUNIT; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: COMPLEXED WITH BRIDGE-STARFISH MOLECULE, A COMPND 8 SUBNANOMOLAR TAILORED MULTIVALENT INHIBITOR

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PHAGE H30; SOURCE 3 ORGANISM_TAXID: 12371; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID

KEYWDS TOXIN, SUBNANOMOLAR INHIBITOR, MULTIVALENT PROTEIN- KEYWDS 2 CARBOHYDRATE RECOGNITION, OB-FOLD

EXPDTA X-RAY DIFFRACTION

AUTHOR N.S.PANNU,K.HAYAKAWA,R.J.READ

REVDAT 3 24-FEB-09 1QNU 1 VERSN REVDAT 2 20-SEP-00 1QNU 1 HET REVDAT 1 11-APR-00 1QNU 0

JRNL AUTH P.I.KITOV,J.M.SADOWSKA,G.MULVEY,G.D.ARMSTRONG, JRNL AUTH 2 H.LING,N.S.PANNU,R.J.READ,D.R.BUNDLE JRNL TITL SHIGA-LIKE TOXINS NEUTRALIZED BY TAILORED JRNL TITL 2 MULTIVALENT CARBOHYDRATE LIGANDS JRNL REF NATURE V. 403 669 2000 JRNL REFN ISSN 0028-0836 JRNL PMID 10688205 JRNL DOI 10.1038/35001095

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH H.LING,A.BOODHOO,B.HAZES,M.D.CUMMINGS, REMARK 1 AUTH 2 G.D.ARMSTRONG,J.L.BRUNTON,R.J.READ REMARK 1 TITL STRUCTURE OF THE SHIGA-LIKE TOXIN I B-PENTAMER REMARK 1 TITL 2 COMPLEXED WITH AN ANALOGUE OF ITS RECEPTOR BG3 REMARK 1 REF BIOCHEMISTRY V. 37 1777 1998 REMARK 1 REFN ISSN 0006-2960 REMARK 1 PMID 9485303 REMARK 1 DOI 10.1021/BI971806N

REMARK 2 REMARK 2 RESOLUTION. 2.23 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.5 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.23 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : .0 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1625101.21 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.2 REMARK 3 NUMBER OF REFLECTIONS : 19150 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : SHELLS REMARK 3 R VALUE (WORKING SET) : .171 REMARK 3 FREE R VALUE : .184 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.6 REMARK 3 FREE R VALUE TEST SET COUNT : 1064 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : .006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.23 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.37 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.4 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2968 REMARK 3 BIN R VALUE (WORKING SET) : .202 REMARK 3 BIN FREE R VALUE : .212 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.5 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 141 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : .018 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2700 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 240 REMARK 3 SOLVENT ATOMS : 80 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.8 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.3 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.20 REMARK 3 B22 (A**2) : 5.00 REMARK 3 B33 (A**2) : -6.19 REMARK 3 B12 (A**2) : .00 REMARK 3 B13 (A**2) : 2.85 REMARK 3 B23 (A**2) : .00 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : .20 REMARK 3 ESD FROM SIGMAA (A) : .17 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : .22 REMARK 3 ESD FROM C-V SIGMAA (A) : .17 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : .009 REMARK 3 BOND ANGLES (DEGREES) : 1.3 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.0 REMARK 3 IMPROPER ANGLES (DEGREES) : .70 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.08 ; 1.50 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.66 ; 2.00 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.05 ; 2.00 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.18 ; 2.50 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : .411496 REMARK 3 BSOL : 51.4401 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : 0.25 ; 5 REMARK 3 GROUP 1 B-FACTOR (A**2) : 4.81 ; 1.0 REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : STARFISH.PAR REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : STARFISH.TOP REMARK 3 TOPOLOGY FILE 3 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1QNU COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 22-OCT-99. REMARK 100 THE PDBE ID CODE IS EBI-4244.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-FEB-99 REMARK 200 TEMPERATURE (KELVIN) : 287.0 REMARK 200 PH : 7.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU/MSC RU- REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : YALE MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19159 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.230 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : 0.14800 REMARK 200 R SYM (I) : 0.14800 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 3.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.23 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.35 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.2 REMARK 200 DATA REDUNDANCY IN SHELL : 3.70 REMARK 200 R MERGE FOR SHELL (I) : 0.29100 REMARK 200 R SYM FOR SHELL (I) : 0.29100 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS 0.5 REMARK 200 STARTING MODEL: 1BOS REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.39 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: REMARK 280 COMPLEX PREPARED BY ADDING 15 MICROLITRES OF BRIDGE-STARFIS REMARK 280 (0.35MM) SLOWLY TO 15 MICROLITRES OF SLT-I B-SUBUNIT (10 MG REMARK 280 WHILE AGITATING. HANGING DROPS WERE PREPARED BY MIXING THI REMARK 280 SOLUTION WITH AN EQUAL VOLUME OF RESERVOIR SOLUTION (28% SA REMARK 280 NH4SO4, 2% 2-METHYL-2,4-PENTANEDIOL, 0.1M NACL, 0.1 M HEPES

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 52.23500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.80500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 52.23500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 35.80500 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 300 DETAILS:BIOLOGICAL_UNIT: PENTAMER

REMARK 350 REMARK 350 GENERATING THE BIOMOLECULE 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: DECAMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 TOTAL BURIED SURFACE AREA: 17830 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 33650 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -84.1 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, E, C, D 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 -18.36762 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 53.28302

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 O2 GAL D 491 - C2 EMB D 493 2.18 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 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 ALA A 156 59.71 -97.53 REMARK 500 ALA B 256 58.80 -97.83 REMARK 500 SER B 264 -18.71 -140.45 REMARK 500 ALA C 356 57.34 -95.48 REMARK 500 SER C 364 -18.73 -140.99 REMARK 500 ALA D 456 59.35 -95.63 REMARK 500 SER D 464 -18.49 -141.03 REMARK 500 ALA E 556 58.70 -95.78 REMARK 500 SER E 564 -18.03 -140.66 REMARK 500 REMARK 500 REMARK: NULL

REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE):

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GAL A 190 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GAL A 191 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLC A 192 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GAL B 290 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GAL B 291 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLC B 292 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GAL C 390 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GAL C 391 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLC C 392 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GAL D 490 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GAL D 491 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLC D 492 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GAL E 590 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GAL E 591 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLC E 592 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EMB A 193 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MEC A 194 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EMB B 293 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MEC B 294 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EMB C 393 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MEC C 394 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EMB D 493 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MEC D 494 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EMB E 593 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MEC E 594

DBREF 1QNU A 101 169 UNP AAA71894 AAA71894 21 89 DBREF 1QNU B 201 269 UNP AAA71894 AAA71894 21 89 DBREF 1QNU C 301 369 UNP AAA71894 AAA71894 21 89 DBREF 1QNU D 401 469 UNP AAA71894 AAA71894 21 89 DBREF 1QNU E 501 569 UNP AAA71894 AAA71894 21 89

SEQRES 1 A 69 THR PRO ASP CYS VAL THR GLY LYS VAL GLU TYR THR LYS SEQRES 2 A 69 TYR ASN ASP ASP ASP THR PHE THR VAL LYS VAL GLY ASP SEQRES 3 A 69 LYS GLU LEU PHE THR ASN ARG TRP ASN LEU GLN SER LEU SEQRES 4 A 69 LEU LEU SER ALA GLN ILE THR GLY MET THR VAL THR ILE SEQRES 5 A 69 LYS THR ASN ALA CYS HIS ASN GLY GLY GLY PHE SER GLU SEQRES 6 A 69 VAL ILE PHE ARG SEQRES 1 B 69 THR PRO ASP CYS VAL THR GLY LYS VAL GLU TYR THR LYS SEQRES 2 B 69 TYR ASN ASP ASP ASP THR PHE THR VAL LYS VAL GLY ASP SEQRES 3 B 69 LYS GLU LEU PHE THR ASN ARG TRP ASN LEU GLN SER LEU SEQRES 4 B 69 LEU LEU SER ALA GLN ILE THR GLY MET THR VAL THR ILE SEQRES 5 B 69 LYS THR ASN ALA CYS HIS ASN GLY GLY GLY PHE SER GLU SEQRES 6 B 69 VAL ILE PHE ARG SEQRES 1 C 69 THR PRO ASP CYS VAL THR GLY LYS VAL GLU TYR THR LYS SEQRES 2 C 69 TYR ASN ASP ASP ASP THR PHE THR VAL LYS VAL GLY ASP SEQRES 3 C 69 LYS GLU LEU PHE THR ASN ARG TRP ASN LEU GLN SER LEU SEQRES 4 C 69 LEU LEU SER ALA GLN ILE THR GLY MET THR VAL THR ILE SEQRES 5 C 69 LYS THR ASN ALA CYS HIS ASN GLY GLY GLY PHE SER GLU SEQRES 6 C 69 VAL ILE PHE ARG SEQRES 1 D 69 THR PRO ASP CYS VAL THR GLY LYS VAL GLU TYR THR LYS SEQRES 2 D 69 TYR ASN ASP ASP ASP THR PHE THR VAL LYS VAL GLY ASP SEQRES 3 D 69 LYS GLU LEU PHE THR ASN ARG TRP ASN LEU GLN SER LEU SEQRES 4 D 69 LEU LEU SER ALA GLN ILE THR GLY MET THR VAL THR ILE SEQRES 5 D 69 LYS THR ASN ALA CYS HIS ASN GLY GLY GLY PHE SER GLU SEQRES 6 D 69 VAL ILE PHE ARG SEQRES 1 E 69 THR PRO ASP CYS VAL THR GLY LYS VAL GLU TYR THR LYS SEQRES 2 E 69 TYR ASN ASP ASP ASP THR PHE THR VAL LYS VAL GLY ASP SEQRES 3 E 69 LYS GLU LEU PHE THR ASN ARG TRP ASN LEU GLN SER LEU SEQRES 4 E 69 LEU LEU SER ALA GLN ILE THR GLY MET THR VAL THR ILE SEQRES 5 E 69 LYS THR ASN ALA CYS HIS ASN GLY GLY GLY PHE SER GLU SEQRES 6 E 69 VAL ILE PHE ARG

HET GAL A 190 11 HET GAL A 191 11 HET GLC A 192 12 HET GAL B 290 11 HET GAL B 291 11 HET GLC B 292 12 HET GAL C 390 11 HET GAL C 391 11 HET GLC C 392 12 HET GAL D 490 11 HET GAL D 491 11 HET GLC D 492 12 HET GAL E 590 11 HET GAL E 591 11 HET GLC E 592 12 HET EMB A 193 7 HET MEC A 194 7 HET EMB B 293 7 HET MEC B 294 7 HET EMB C 393 7 HET MEC C 394 7 HET EMB D 493 7 HET MEC D 494 7 HET EMB E 593 7 HET MEC E 594 7

HETNAM GAL BETA-D-GALACTOSE HETNAM GLC ALPHA-D-GLUCOSE HETNAM EMB METHYL-CARBAMIC ACID ETHYL ESTER HETNAM MEC ETHYL-CARBAMIC ACID METHYL ESTER

HETSYN EMB LINKER1 HETSYN MEC LINKER2

FORMUL 6 GAL 10(C6 H12 O6) FORMUL 6 GLC 5(C6 H12 O6) FORMUL 11 EMB 5(C4 H9 N O2) FORMUL 12 MEC 5(C4 H9 N O2) FORMUL 21 HOH *80(H2 O1)

HELIX 1 1 ASN A 135 THR A 146 1 12 HELIX 2 2 ASN B 235 THR B 246 1 12 HELIX 3 3 ASN C 335 THR C 346 1 12 HELIX 4 4 ASN D 435 THR D 446 1 12 HELIX 5 5 ASN E 535 THR E 546 1 12

SHEET 1 A 3 LYS A 127 THR A 131 0 SHEET 2 A 3 PHE A 120 VAL A 124 -1 N VAL A 124 O LYS A 127 SHEET 3 A 3 VAL A 109 TYR A 114 -1 N LYS A 113 O THR A 121 SHEET 1 B 3 GLU A 165 ARG A 169 0 SHEET 2 B 3 THR A 149 LYS A 153 -1 N LYS A 153 O GLU A 165 SHEET 3 B 3 ASP A 103 LYS A 108 -1 N GLY A 107 O VAL A 150 SHEET 1 C 3 LYS B 227 THR B 231 0 SHEET 2 C 3 PHE B 220 VAL B 224 -1 N VAL B 224 O LYS B 227 SHEET 3 C 3 VAL B 209 TYR B 214 -1 N LYS B 213 O THR B 221 SHEET 1 D 3 GLU B 265 ARG B 269 0 SHEET 2 D 3 THR B 249 LYS B 253 -1 N LYS B 253 O GLU B 265 SHEET 3 D 3 ASP B 203 LYS B 208 -1 N GLY B 207 O VAL B 250 SHEET 1 E 3 LYS C 327 THR C 331 0 SHEET 2 E 3 PHE C 320 VAL C 324 -1 N VAL C 324 O LYS C 327 SHEET 3 E 3 VAL C 309 TYR C 314 -1 N LYS C 313 O THR C 321 SHEET 1 F 3 GLU C 365 ARG C 369 0 SHEET 2 F 3 THR C 349 LYS C 353 -1 N LYS C 353 O GLU C 365 SHEET 3 F 3 ASP C 303 LYS C 308 -1 N GLY C 307 O VAL C 350 SHEET 1 G 3 LYS D 427 THR D 431 0 SHEET 2 G 3 PHE D 420 VAL D 424 -1 N VAL D 424 O LYS D 427 SHEET 3 G 3 VAL D 409 TYR D 414 -1 N LYS D 413 O THR D 421 SHEET 1 H 3 GLU D 465 ARG D 469 0 SHEET 2 H 3 THR D 449 LYS D 453 -1 N LYS D 453 O GLU D 465 SHEET 3 H 3 ASP D 403 LYS D 408 -1 N GLY D 407 O VAL D 450 SHEET 1 I 3 LYS E 527 THR E 531 0 SHEET 2 I 3 PHE E 520 VAL E 524 -1 N VAL E 524 O LYS E 527 SHEET 3 I 3 VAL E 509 TYR E 514 -1 N LYS E 513 O THR E 521 SHEET 1 J 3 GLU E 565 ARG E 569 0 SHEET 2 J 3 THR E 549 LYS E 553 -1 N LYS E 553 O GLU E 565 SHEET 3 J 3 ASP E 503 LYS E 508 -1 N GLY E 507 O VAL E 550

SSBOND 1 CYS A 104 CYS A 157 1555 1555 2.04 SSBOND 2 CYS B 204 CYS B 257 1555 1555 2.04 SSBOND 3 CYS C 304 CYS C 357 1555 1555 2.04 SSBOND 4 CYS D 404 CYS D 457 1555 1555 2.05 SSBOND 5 CYS E 504 CYS E 557 1555 1555 2.04

LINK C1 GAL A 190 O4 GAL A 191 1555 1555 1.40 LINK O2 GAL A 191 C1 EMB A 193 1555 1555 1.44 LINK C1 GAL A 191 O4 GLC A 192 1555 1555 1.39 LINK C4 EMB A 193 C2 MEC A 194 1555 1555 1.53 LINK C1 GAL B 290 O4 GAL B 291 1555 1555 1.40 LINK C1 GAL B 291 O4 GLC B 292 1555 1555 1.39 LINK O2 GAL B 291 C1 EMB B 293 1555 1555 1.44 LINK C4 EMB B 293 C2 MEC B 294 1555 1555 1.53 LINK C1 GAL C 390 O4 GAL C 391 1555 1555 1.40 LINK C1 GAL C 391 O4 GLC C 392 1555 1555 1.39 LINK O2 GAL C 391 C1 EMB C 393 1555 1555 1.44 LINK C4 EMB C 393 C2 MEC C 394 2555 1555 1.89 LINK C4 EMB C 393 C2 MEC C 394 1555 1555 1.53 LINK C4 EMB C 393 C2 MEC C 394 1555 2555 1.89 LINK C1 GAL D 490 O4 GAL D 491 1555 1555 1.40 LINK C1 GAL D 491 O4 GLC D 492 1555 1555 1.39 LINK O2 GAL D 491 C1 EMB D 493 1555 1555 1.44 LINK C4 EMB D 493 C2 MEC D 494 1555 1555 1.53 LINK C4 EMB D 493 C2 MEC B 294 1555 2555 2.01 LINK C4 EMB D 493 C2 MEC B 294 2555 1555 2.01 LINK C2 MEC D 494 C4 EMB B 293 2555 1555 1.87 LINK C2 MEC D 494 C4 EMB B 293 1555 2555 1.87 LINK C1 GAL E 590 O4 GAL E 591 1555 1555 1.40 LINK O2 GAL E 591 C1 EMB E 593 1555 1555 1.44 LINK C1 GAL E 591 O4 GLC E 592 1555 1555 1.39 LINK C4 EMB E 593 C2 MEC A 194 2555 1555 1.72 LINK C4 EMB E 593 C2 MEC E 594 1555 1555 1.53 LINK C4 EMB E 593 C2 MEC A 194 1555 2555 1.72 LINK C2 MEC E 594 C4 EMB A 193 1555 2555 1.89 LINK C2 MEC E 594 C2 MEC A 194 1555 2555 2.01 LINK C2 MEC E 594 C2 MEC A 194 2555 1555 2.01 LINK C2 MEC E 594 C4 EMB A 193 2555 1555 1.89

SITE 1 AC1 9 THR A 131 ASN A 132 ARG A 133 GLY A 162 SITE 2 AC1 9 PHE A 163 GAL A 191 MEC A 194 HOH A2014 SITE 3 AC1 9 ASP B 216 SITE 1 AC2 8 THR A 154 ASN A 155 GLY A 162 GAL A 190 SITE 2 AC2 8 GLC A 192 EMB A 193 HOH A2014 HOH A2015 SITE 1 AC3 2 GAL A 191 EMB A 193 SITE 1 AC4 9 THR B 231 ASN B 232 ARG B 233 GLY B 262 SITE 2 AC4 9 PHE B 263 GAL B 291 MEC B 294 HOH B2013 SITE 3 AC4 9 ASP C 316 SITE 1 AC5 9 THR B 254 ASN B 255 GLY B 262 GAL B 290 SITE 2 AC5 9 GLC B 292 EMB B 293 HOH B2011 HOH B2013 SITE 3 AC5 9 HOH B2014 SITE 1 AC6 4 ASN B 255 GAL B 291 EMB B 293 HOH B2015 SITE 1 AC7 10 THR C 331 ASN C 332 ARG C 333 GLY C 362 SITE 2 AC7 10 PHE C 363 SER C 364 GAL C 391 MEC C 394 SITE 3 AC7 10 HOH C2016 ASP D 416 SITE 1 AC8 7 THR C 354 ASN C 355 GLY C 362 GAL C 390 SITE 2 AC8 7 GLC C 392 EMB C 393 HOH C2016 SITE 1 AC9 2 GAL C 391 EMB C 393 SITE 1 BC1 10 THR D 431 ASN D 432 ARG D 433 GLY D 462 SITE 2 BC1 10 PHE D 463 SER D 464 GAL D 491 MEC D 494 SITE 3 BC1 10 HOH D2016 ASP E 516 SITE 1 BC2 9 THR D 454 ASN D 455 GLY D 462 GAL D 490 SITE 2 BC2 9 GLC D 492 EMB D 493 HOH D2012 HOH D2016 SITE 3 BC2 9 HOH D2017 SITE 1 BC3 3 GAL D 491 EMB D 493 HOH D2016 SITE 1 BC4 10 ASP A 116 THR E 531 ASN E 532 ARG E 533 SITE 2 BC4 10 GLY E 562 PHE E 563 SER E 564 GAL E 591 SITE 3 BC4 10 MEC E 594 HOH E2015 SITE 1 BC5 9 THR E 554 ASN E 555 GLY E 562 GAL E 590 SITE 2 BC5 9 GLC E 592 EMB E 593 HOH E2015 HOH E2016 SITE 3 BC5 9 HOH E2017 SITE 1 BC6 2 GAL E 591 EMB E 593 SITE 1 BC7 5 GAL A 191 GLC A 192 MEC A 194 EMB E 593 SITE 2 BC7 5 MEC E 594 SITE 1 BC8 6 ASN A 132 GAL A 190 EMB A 193 ASN E 532 SITE 2 BC8 6 EMB E 593 MEC E 594 SITE 1 BC9 5 GAL B 291 GLC B 292 MEC B 294 EMB D 493 SITE 2 BC9 5 MEC D 494 SITE 1 CC1 6 GAL B 290 EMB B 293 THR D 419 ASN D 432 SITE 2 CC1 6 EMB D 493 MEC D 494 SITE 1 CC2 3 GAL C 391 GLC C 392 MEC C 394 SITE 1 CC3 3 ASN C 332 GAL C 390 EMB C 393 SITE 1 CC4 5 EMB B 293 MEC B 294 GAL D 491 GLC D 492 SITE 2 CC4 5 MEC D 494 SITE 1 CC5 5 ASN B 232 EMB B 293 MEC B 294 GAL D 490 SITE 2 CC5 5 EMB D 493 SITE 1 CC6 5 EMB A 193 MEC A 194 GAL E 591 GLC E 592 SITE 2 CC6 5 MEC E 594 SITE 1 CC7 7 ASN A 132 EMB A 193 MEC A 194 ASN E 532 SITE 2 CC7 7 ARG E 533 GAL E 590 EMB E 593

CRYST1 104.470 71.610 56.360 90.00 109.02 90.00 C 1 2 1 20

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 0.009572 0.000000 0.003300 0.00000

SCALE2 0.000000 0.013964 0.000000 0.00000

SCALE3 0.000000 0.000000 0.018768 0.00000

MTRIX1 1 0.382759 0.898950 -0.213035 -0.01800 1

MTRIX2 1 -0.898579 0.308693 -0.311871 0.08500 1

MTRIX3 1 0.214594 0.310801 0.925933 -0.01300 1

MTRIX1 2 -0.616651 0.553131 -0.560167 0.06000 1

MTRIX2 2 -0.551662 -0.811247 -0.193769 0.10100 1

MTRIX3 2 -0.561614 0.189535 0.805398 0.06300 1

MTRIX1 3 -0.612174 -0.555757 -0.562474 0.07800 1

MTRIX2 3 0.557655 -0.807756 0.191180 0.06400 1

MTRIX3 3 -0.560592 -0.196631 0.804408 0.11400 1

MTRIX1 4 0.387512 -0.896514 -0.214701 0.00900 1

MTRIX2 4 0.896586 0.312356 0.313953 -0.06800 1

MTRIX3 4 -0.214400 -0.314159 0.924844 0.08100 1