1OI8 - Header Asymmetric Unit

HEADER HYDROLASE 10-JUN-03 1OI8

TITLE 5'-NUCLEOTIDASE (E. COLI) WITH AN ENGINEERED DISULFIDE TITLE 2 BRIDGE (P90C, L424C)

COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN USHA; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: 5-NUCLEOTIDASE; COMPND 5 EC: 3.1.3.5, 3.6.1.45; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: ER2566; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PET28A; SOURCE 8 OTHER_DETAILS: DISULFIDE CROSSLINK BETWEEN N- AND C-TERMINAL DOMAINS

KEYWDS METALLOPROTEIN, HYDROLASE, DOMAIN MOVEMENT, DISULFIDE ENGINEERING, KEYWDS 2 UDP-SUGAR HYDROLASE

EXPDTA X-RAY DIFFRACTION

AUTHOR R.SCHULTZ-HEIENBROK,T.MAIER,N.STRAETER

REVDAT 4 13-JUL-11 1OI8 1 VERSN REVDAT 3 24-FEB-09 1OI8 1 VERSN REVDAT 2 05-AUG-04 1OI8 1 JRNL REVDAT 1 10-JUN-04 1OI8 0

JRNL AUTH R.SCHULTZ-HEIENBROK,T.MAIER,N.STRAETER JRNL TITL TRAPPING A 96 DEGREE DOMAIN ROTATION IN TWO DISTINCT JRNL TITL 2 CONFORMATIONS BY ENGINEERED DISULFIDE BRIDGES JRNL REF PROTEIN SCI. V. 13 1811 2004 JRNL REFN ISSN 0961-8368 JRNL PMID 15215524 JRNL DOI 10.1110/PS.04629604

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.KNOEFEL,N.STRAETER REMARK 1 TITL E. COLI 5'-NUCLEOTIDASE UNDERGOES A HINGE-BENDING DOMAIN REMARK 1 TITL 2 ROTATION RESEMBLING A BALL-AND-SOCKET MOTION REMARK 1 REF J.MOL.BIOL. V. 309 255 2001 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 11491294 REMARK 1 DOI 10.1006/JMBI.2001.4657 REMARK 1 REFERENCE 2 REMARK 1 AUTH T.KNOEFEL,N.STRAETER REMARK 1 TITL X-RAY STRUCTURE OF THE ESCHERICHIA COLI PERIPLASMIC REMARK 1 TITL 2 5'-NUCLEOTIDASE CONTAINING A DIMETAL CATALYTIC SITE REMARK 1 REF NAT.STRUCT.BIOL. V. 6 448 1999 REMARK 1 REFN ISSN 1072-8368 REMARK 1 PMID 10331872 REMARK 1 DOI 10.1038/8253

REMARK 2 REMARK 2 RESOLUTION. 2.1 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.1.19 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.96 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 95.3 REMARK 3 NUMBER OF REFLECTIONS : 80645 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) : 0.159 REMARK 3 R VALUE (WORKING SET) : 0.156 REMARK 3 FREE R VALUE : 0.205 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 4255 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.15 REMARK 3 REFLECTION IN BIN (WORKING SET) : 5849 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.1910 REMARK 3 BIN FREE R VALUE SET COUNT : 312 REMARK 3 BIN FREE R VALUE : 0.2460 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 8194 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 22 REMARK 3 SOLVENT ATOMS : 916 REMARK 3 REMARK 3 B VALUES. REMARK 3 B VALUE TYPE : LIKELY RESIDUAL REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.26 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.03000 REMARK 3 B22 (A**2) : 0.03000 REMARK 3 B33 (A**2) : -0.07000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.154 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.150 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.098 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.674 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.966 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.943 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 8386 ; 0.022 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 7410 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 11346 ; 1.743 ; 1.953 REMARK 3 BOND ANGLES OTHERS (DEGREES): 17356 ; 0.922 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 1048 ; 6.581 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 1208 ; 0.114 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 9448 ; 0.010 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 1608 ; 0.012 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1736 ; 0.208 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 8845 ; 0.252 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): 4922 ; 0.089 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 744 ; 0.201 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 23 ; 0.181 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 135 ; 0.291 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 43 ; 0.239 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 5208 ; 0.970 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 8350 ; 1.754 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 3178 ; 2.933 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 2996 ; 4.709 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 4 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 26 A 340 REMARK 3 ORIGIN FOR THE GROUP (A): 63.3288 16.9939 20.2982 REMARK 3 T TENSOR REMARK 3 T11: 0.0424 T22: 0.0694 REMARK 3 T33: 0.0408 T12: 0.0384 REMARK 3 T13: -0.0053 T23: -0.0024 REMARK 3 L TENSOR REMARK 3 L11: 0.2277 L22: 0.3405 REMARK 3 L33: 0.1207 L12: -0.1934 REMARK 3 L13: 0.0078 L23: 0.1005 REMARK 3 S TENSOR REMARK 3 S11: 0.0411 S12: 0.0553 S13: 0.0113 REMARK 3 S21: -0.0047 S22: -0.0335 S23: -0.0231 REMARK 3 S31: 0.0137 S32: 0.0029 S33: -0.0076 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 360 A 550 REMARK 3 ORIGIN FOR THE GROUP (A): 55.7269 47.9446 25.2279 REMARK 3 T TENSOR REMARK 3 T11: 0.0434 T22: 0.0640 REMARK 3 T33: 0.0667 T12: 0.0057 REMARK 3 T13: -0.0110 T23: 0.0283 REMARK 3 L TENSOR REMARK 3 L11: 0.1204 L22: 0.3756 REMARK 3 L33: 0.1462 L12: -0.0918 REMARK 3 L13: 0.0042 L23: 0.1464 REMARK 3 S TENSOR REMARK 3 S11: 0.0235 S12: 0.0646 S13: 0.0168 REMARK 3 S21: -0.0556 S22: -0.0646 S23: -0.0069 REMARK 3 S31: -0.0566 S32: 0.0198 S33: 0.0410 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 26 B 340 REMARK 3 ORIGIN FOR THE GROUP (A): 13.3082 63.5140 20.3524 REMARK 3 T TENSOR REMARK 3 T11: 0.0657 T22: 0.0502 REMARK 3 T33: 0.0381 T12: 0.0575 REMARK 3 T13: 0.0098 T23: 0.0080 REMARK 3 L TENSOR REMARK 3 L11: 0.2526 L22: 0.1960 REMARK 3 L33: 0.4505 L12: -0.1255 REMARK 3 L13: 0.1722 L23: -0.0207 REMARK 3 S TENSOR REMARK 3 S11: 0.0110 S12: 0.0129 S13: 0.0091 REMARK 3 S21: -0.0177 S22: -0.0143 S23: -0.0084 REMARK 3 S31: 0.0742 S32: 0.0542 S33: 0.0032 REMARK 3 REMARK 3 TLS GROUP : 4 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 360 B 550 REMARK 3 ORIGIN FOR THE GROUP (A): 7.3879 96.1730 24.4382 REMARK 3 T TENSOR REMARK 3 T11: 0.0542 T22: 0.0686 REMARK 3 T33: 0.0561 T12: -0.0202 REMARK 3 T13: -0.0077 T23: 0.0182 REMARK 3 L TENSOR REMARK 3 L11: -0.0666 L22: 0.2895 REMARK 3 L33: 0.4461 L12: -0.0491 REMARK 3 L13: 0.0377 L23: 0.1301 REMARK 3 S TENSOR REMARK 3 S11: -0.0045 S12: 0.0311 S13: -0.0152 REMARK 3 S21: -0.0513 S22: -0.0245 S23: 0.0021 REMARK 3 S31: -0.1163 S32: 0.0791 S33: 0.0290 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE REMARK 3 RIDING POSITIONS. DENSITY AROUND WATER MOLECULES 921 AND 922 REMARK 3 COULD ALSO BE EXPLAINED BY OTHER REAGENTS PRESENT IN THE REMARK 3 CRYSTALLISATION BUFFER.

REMARK 4 REMARK 4 1OI8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-JUN-03. REMARK 100 THE PDBE ID CODE IS EBI-12815.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-NOV-02 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 8.00 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 : BW7B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8453 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS, TRIANGULAR REMARK 200 MONOCHROMATOR 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 : 89316 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.1 REMARK 200 DATA REDUNDANCY : 3.200 REMARK 200 R MERGE (I) : 0.06900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 17.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.6 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.26700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE, BEAST REMARK 200 STARTING MODEL: PDB ENTRY 1HO5 REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 61.4 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.2 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.8 M LI2SO4, 100MM TRIS, REMARK 280 1MM MNCL, 10 MM BETAINE, 10% 2-METHYL-2,4-PENTANDIOLE

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 156.02550 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 48.84450 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 48.84450 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 78.01275 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 48.84450 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 48.84450 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 234.03825 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 48.84450 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 48.84450 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 78.01275 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 48.84450 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 48.84450 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 234.03825 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 156.02550 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 400 REMARK 400 COMPOUND REMARK 400 ENGINEERED RESIDUES CHAINS A, B PRO 90 CYS, LEU 424 CYS

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 HIS A 552 REMARK 465 HIS A 553 REMARK 465 HIS A 554 REMARK 465 HIS A 555 REMARK 465 HIS A 556 REMARK 465 HIS A 557 REMARK 465 HIS B 552 REMARK 465 HIS B 553 REMARK 465 HIS B 554 REMARK 465 HIS B 555 REMARK 465 HIS B 556 REMARK 465 HIS B 557

REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLU A 551 CA C O CB CG CD OE1 OE2 REMARK 470 GLU B 551 CA C O CB CG CD OE1 OE2

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 NZ LYS A 421 O HOH A 2378 2.07 REMARK 500 OG1 THR B 147 O HOH B 2126 2.13 REMARK 500 O PRO B 535 O HOH B 2423 2.19 REMARK 500 O3 CO3 B 1554 O HOH B 2441 2.19 REMARK 500 O HOH A 2050 O HOH A 2117 2.20 REMARK 500 O HOH A 2082 O HOH A 2083 1.93 REMARK 500 O HOH A 2083 O HOH A 2112 2.20 REMARK 500 O HOH B 2089 O HOH B 2253 2.10 REMARK 500 O HOH B 2421 O HOH B 2423 2.16 REMARK 500 REMARK 500 REMARK: NULL 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 GLU B 235 CG GLU B 235 CD 0.107 REMARK 500 MET B 345 SD MET B 345 CE -0.550 REMARK 500 VAL B 362 CB VAL B 362 CG1 -0.137 REMARK 500 MET B 438 CG MET B 438 SD 0.159 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 ARG A 48 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 ARG A 48 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 CYS A 90 CA - CB - SG ANGL. DEV. = -12.4 DEGREES REMARK 500 ASP A 162 CB - CG - OD2 ANGL. DEV. = 6.3 DEGREES REMARK 500 ARG A 190 NE - CZ - NH1 ANGL. DEV. = 6.9 DEGREES REMARK 500 ARG A 190 NE - CZ - NH2 ANGL. DEV. = -6.7 DEGREES REMARK 500 ASP A 268 CB - CG - OD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 ASP A 395 CB - CG - OD2 ANGL. DEV. = 5.9 DEGREES REMARK 500 ARG A 410 NE - CZ - NH1 ANGL. DEV. = 4.9 DEGREES REMARK 500 ARG A 410 NE - CZ - NH2 ANGL. DEV. = -5.2 DEGREES REMARK 500 ASP A 437 CB - CG - OD2 ANGL. DEV. = 6.1 DEGREES REMARK 500 ASP A 504 CB - CG - OD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 ASP B 41 CB - CG - OD2 ANGL. DEV. = 7.5 DEGREES REMARK 500 CYS B 90 CA - CB - SG ANGL. DEV. = -9.6 DEGREES REMARK 500 ASP B 120 CB - CG - OD2 ANGL. DEV. = 6.0 DEGREES REMARK 500 ASP B 194 CB - CG - OD2 ANGL. DEV. = 6.7 DEGREES REMARK 500 ASP B 210 CB - CG - OD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 GLU B 235 OE1 - CD - OE2 ANGL. DEV. = -11.3 DEGREES REMARK 500 ASP B 395 CB - CG - OD2 ANGL. DEV. = 5.9 DEGREES REMARK 500 ASP B 411 CB - CG - OD2 ANGL. DEV. = 6.3 DEGREES REMARK 500 CYS B 424 CB - CA - C ANGL. DEV. = -8.1 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 ASP A 29 -2.14 63.08 REMARK 500 TYR A 54 -142.23 52.48 REMARK 500 ASP A 84 60.06 62.00 REMARK 500 THR A 87 122.38 85.47 REMARK 500 GLN A 161 -121.79 48.27 REMARK 500 THR A 206 -74.14 -117.66 REMARK 500 HIS A 252 -52.73 81.77 REMARK 500 GLN A 254 61.20 61.91 REMARK 500 HIS A 289 -95.24 68.60 REMARK 500 PHE A 380 -37.54 -131.34 REMARK 500 THR A 495 -167.78 -164.65 REMARK 500 TYR B 54 -142.33 44.54 REMARK 500 THR B 87 124.31 84.36 REMARK 500 THR B 206 -87.42 -125.94 REMARK 500 MET B 218 -31.47 -130.55 REMARK 500 HIS B 252 -52.18 80.80 REMARK 500 HIS B 289 -96.35 65.28 REMARK 500 THR B 495 -169.07 -160.48 REMARK 500 REMARK 500 REMARK: NULL

REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN A1551 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 217 NE2 REMARK 620 2 ASP A 84 OD2 82.8 REMARK 620 3 HIS A 252 ND1 86.4 165.4 REMARK 620 4 CO3 A1554 O1 116.8 80.2 96.0 REMARK 620 5 CO3 A1554 O3 177.6 96.5 94.7 65.2 REMARK 620 6 ASN A 116 OD1 90.0 101.4 88.4 153.0 87.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN A1552 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 254 OE1 REMARK 620 2 HIS A 43 NE2 87.5 REMARK 620 3 ASP A 41 OD1 95.2 101.0 REMARK 620 4 ASP A 84 OD2 175.4 95.4 87.6 REMARK 620 5 CO3 A1554 O1 95.2 157.3 101.2 80.8 REMARK 620 6 CO3 A1554 O2 82.6 102.1 156.7 93.4 56.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN B1551 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 41 OD1 REMARK 620 2 ASP B 84 OD2 93.2 REMARK 620 3 GLN B 254 OE1 94.1 168.8 REMARK 620 4 HIS B 43 NE2 112.5 94.7 90.4 REMARK 620 5 CO3 B1554 O3 159.7 91.5 78.8 86.7 REMARK 620 6 CO3 B1554 O1 98.1 77.9 92.6 148.9 63.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN B1552 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 84 OD2 REMARK 620 2 HIS B 217 NE2 89.3 REMARK 620 3 HIS B 252 ND1 166.0 83.5 REMARK 620 4 CO3 B1554 O1 80.5 115.3 91.7 REMARK 620 5 ASN B 116 OD1 99.8 91.5 92.4 153.2 REMARK 620 N 1 2 3 4

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A1551 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A1552 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A1553 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO3 A1554 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN B1551 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN B1552 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B1553 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO3 B1554

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1HO5 RELATED DB: PDB REMARK 900 5'-NUCLEOTIDASE (E. COLI) IN COMPLEX WITH REMARK 900 ADENOSINE ANDPHOSPHATE REMARK 900 RELATED ID: 1HP1 RELATED DB: PDB REMARK 900 5'-NUCLEOTIDASE (OPEN FORM) COMPLEX WITH ATP REMARK 900 RELATED ID: 1HPU RELATED DB: PDB REMARK 900 5'-NUCLEOTIDASE (CLOSED FORM), COMPLEX WITH REMARK 900 AMPCP REMARK 900 RELATED ID: 1OID RELATED DB: PDB REMARK 900 5'-NUCLEOTIDASE (E. COLI) WITH AN ENGINEERED REMARK 900 DISULFIDE BRIDGE (S228C, P513C) REMARK 900 RELATED ID: 1OIE RELATED DB: PDB REMARK 900 5'-NUCLEOTIDASE (E. COLI) WITH AN ENGINEERED REMARK 900 DISULFIDE BRIDGE (S228C, P513C) REMARK 900 RELATED ID: 1USH RELATED DB: PDB REMARK 900 5'-NUCLEOTIDASE FROM E. COLI REMARK 900 RELATED ID: 2USH RELATED DB: PDB REMARK 900 5'-NUCLEOTIDASE FROM E. COLI

REMARK 999 REMARK 999 SEQUENCE REMARK 999 ADDITIONAL GLU AND 6X HIS AT C-TERMINUS

DBREF 1OI8 A 26 550 UNP P07024 USHA_ECOLI 26 550 DBREF 1OI8 A 551 557 PDB 1OI8 1OI8 551 557 DBREF 1OI8 B 26 550 UNP P07024 USHA_ECOLI 26 550 DBREF 1OI8 B 551 557 PDB 1OI8 1OI8 551 557

SEQADV 1OI8 CYS A 90 UNP P07024 PRO 90 ENGINEERED MUTATION SEQADV 1OI8 CYS A 424 UNP P07024 LEU 424 ENGINEERED MUTATION SEQADV 1OI8 CYS B 90 UNP P07024 PRO 90 ENGINEERED MUTATION SEQADV 1OI8 CYS B 424 UNP P07024 LEU 424 ENGINEERED MUTATION

SEQRES 1 A 532 TYR GLU GLN ASP LYS THR TYR LYS ILE THR VAL LEU HIS SEQRES 2 A 532 THR ASN ASP HIS HIS GLY HIS PHE TRP ARG ASN GLU TYR SEQRES 3 A 532 GLY GLU TYR GLY LEU ALA ALA GLN LYS THR LEU VAL ASP SEQRES 4 A 532 GLY ILE ARG LYS GLU VAL ALA ALA GLU GLY GLY SER VAL SEQRES 5 A 532 LEU LEU LEU SER GLY GLY ASP ILE ASN THR GLY VAL CYS SEQRES 6 A 532 GLU SER ASP LEU GLN ASP ALA GLU PRO ASP PHE ARG GLY SEQRES 7 A 532 MET ASN LEU VAL GLY TYR ASP ALA MET ALA ILE GLY ASN SEQRES 8 A 532 HIS GLU PHE ASP ASN PRO LEU THR VAL LEU ARG GLN GLN SEQRES 9 A 532 GLU LYS TRP ALA LYS PHE PRO LEU LEU SER ALA ASN ILE SEQRES 10 A 532 TYR GLN LYS SER THR GLY GLU ARG LEU PHE LYS PRO TRP SEQRES 11 A 532 ALA LEU PHE LYS ARG GLN ASP LEU LYS ILE ALA VAL ILE SEQRES 12 A 532 GLY LEU THR THR ASP ASP THR ALA LYS ILE GLY ASN PRO SEQRES 13 A 532 GLU TYR PHE THR ASP ILE GLU PHE ARG LYS PRO ALA ASP SEQRES 14 A 532 GLU ALA LYS LEU VAL ILE GLN GLU LEU GLN GLN THR GLU SEQRES 15 A 532 LYS PRO ASP ILE ILE ILE ALA ALA THR HIS MET GLY HIS SEQRES 16 A 532 TYR ASP ASN GLY GLU HIS GLY SER ASN ALA PRO GLY ASP SEQRES 17 A 532 VAL GLU MET ALA ARG ALA LEU PRO ALA GLY SER LEU ALA SEQRES 18 A 532 MET ILE VAL GLY GLY HIS SER GLN ASP PRO VAL CYS MET SEQRES 19 A 532 ALA ALA GLU ASN LYS LYS GLN VAL ASP TYR VAL PRO GLY SEQRES 20 A 532 THR PRO CYS LYS PRO ASP GLN GLN ASN GLY ILE TRP ILE SEQRES 21 A 532 VAL GLN ALA HIS GLU TRP GLY LYS TYR VAL GLY ARG ALA SEQRES 22 A 532 ASP PHE GLU PHE ARG ASN GLY GLU MET LYS MET VAL ASN SEQRES 23 A 532 TYR GLN LEU ILE PRO VAL ASN LEU LYS LYS LYS VAL THR SEQRES 24 A 532 TRP GLU ASP GLY LYS SER GLU ARG VAL LEU TYR THR PRO SEQRES 25 A 532 GLU ILE ALA GLU ASN GLN GLN MET ILE SER LEU LEU SER SEQRES 26 A 532 PRO PHE GLN ASN LYS GLY LYS ALA GLN LEU GLU VAL LYS SEQRES 27 A 532 ILE GLY GLU THR ASN GLY ARG LEU GLU GLY ASP ARG ASP SEQRES 28 A 532 LYS VAL ARG PHE VAL GLN THR ASN MET GLY ARG LEU ILE SEQRES 29 A 532 LEU ALA ALA GLN MET ASP ARG THR GLY ALA ASP PHE ALA SEQRES 30 A 532 VAL MET SER GLY GLY GLY ILE ARG ASP SER ILE GLU ALA SEQRES 31 A 532 GLY ASP ILE SER TYR LYS ASN VAL CYS LYS VAL GLN PRO SEQRES 32 A 532 PHE GLY ASN VAL VAL VAL TYR ALA ASP MET THR GLY LYS SEQRES 33 A 532 GLU VAL ILE ASP TYR LEU THR ALA VAL ALA GLN MET LYS SEQRES 34 A 532 PRO ASP SER GLY ALA TYR PRO GLN PHE ALA ASN VAL SER SEQRES 35 A 532 PHE VAL ALA LYS ASP GLY LYS LEU ASN ASP LEU LYS ILE SEQRES 36 A 532 LYS GLY GLU PRO VAL ASP PRO ALA LYS THR TYR ARG MET SEQRES 37 A 532 ALA THR LEU ASN PHE ASN ALA THR GLY GLY ASP GLY TYR SEQRES 38 A 532 PRO ARG LEU ASP ASN LYS PRO GLY TYR VAL ASN THR GLY SEQRES 39 A 532 PHE ILE ASP ALA GLU VAL LEU LYS ALA TYR ILE GLN LYS SEQRES 40 A 532 SER SER PRO LEU ASP VAL SER VAL TYR GLU PRO LYS GLY SEQRES 41 A 532 GLU VAL SER TRP GLN GLU HIS HIS HIS HIS HIS HIS SEQRES 1 B 532 TYR GLU GLN ASP LYS THR TYR LYS ILE THR VAL LEU HIS SEQRES 2 B 532 THR ASN ASP HIS HIS GLY HIS PHE TRP ARG ASN GLU TYR SEQRES 3 B 532 GLY GLU TYR GLY LEU ALA ALA GLN LYS THR LEU VAL ASP SEQRES 4 B 532 GLY ILE ARG LYS GLU VAL ALA ALA GLU GLY GLY SER VAL SEQRES 5 B 532 LEU LEU LEU SER GLY GLY ASP ILE ASN THR GLY VAL CYS SEQRES 6 B 532 GLU SER ASP LEU GLN ASP ALA GLU PRO ASP PHE ARG GLY SEQRES 7 B 532 MET ASN LEU VAL GLY TYR ASP ALA MET ALA ILE GLY ASN SEQRES 8 B 532 HIS GLU PHE ASP ASN PRO LEU THR VAL LEU ARG GLN GLN SEQRES 9 B 532 GLU LYS TRP ALA LYS PHE PRO LEU LEU SER ALA ASN ILE SEQRES 10 B 532 TYR GLN LYS SER THR GLY GLU ARG LEU PHE LYS PRO TRP SEQRES 11 B 532 ALA LEU PHE LYS ARG GLN ASP LEU LYS ILE ALA VAL ILE SEQRES 12 B 532 GLY LEU THR THR ASP ASP THR ALA LYS ILE GLY ASN PRO SEQRES 13 B 532 GLU TYR PHE THR ASP ILE GLU PHE ARG LYS PRO ALA ASP SEQRES 14 B 532 GLU ALA LYS LEU VAL ILE GLN GLU LEU GLN GLN THR GLU SEQRES 15 B 532 LYS PRO ASP ILE ILE ILE ALA ALA THR HIS MET GLY HIS SEQRES 16 B 532 TYR ASP ASN GLY GLU HIS GLY SER ASN ALA PRO GLY ASP SEQRES 17 B 532 VAL GLU MET ALA ARG ALA LEU PRO ALA GLY SER LEU ALA SEQRES 18 B 532 MET ILE VAL GLY GLY HIS SER GLN ASP PRO VAL CYS MET SEQRES 19 B 532 ALA ALA GLU ASN LYS LYS GLN VAL ASP TYR VAL PRO GLY SEQRES 20 B 532 THR PRO CYS LYS PRO ASP GLN GLN ASN GLY ILE TRP ILE SEQRES 21 B 532 VAL GLN ALA HIS GLU TRP GLY LYS TYR VAL GLY ARG ALA SEQRES 22 B 532 ASP PHE GLU PHE ARG ASN GLY GLU MET LYS MET VAL ASN SEQRES 23 B 532 TYR GLN LEU ILE PRO VAL ASN LEU LYS LYS LYS VAL THR SEQRES 24 B 532 TRP GLU ASP GLY LYS SER GLU ARG VAL LEU TYR THR PRO SEQRES 25 B 532 GLU ILE ALA GLU ASN GLN GLN MET ILE SER LEU LEU SER SEQRES 26 B 532 PRO PHE GLN ASN LYS GLY LYS ALA GLN LEU GLU VAL LYS SEQRES 27 B 532 ILE GLY GLU THR ASN GLY ARG LEU GLU GLY ASP ARG ASP SEQRES 28 B 532 LYS VAL ARG PHE VAL GLN THR ASN MET GLY ARG LEU ILE SEQRES 29 B 532 LEU ALA ALA GLN MET ASP ARG THR GLY ALA ASP PHE ALA SEQRES 30 B 532 VAL MET SER GLY GLY GLY ILE ARG ASP SER ILE GLU ALA SEQRES 31 B 532 GLY ASP ILE SER TYR LYS ASN VAL CYS LYS VAL GLN PRO SEQRES 32 B 532 PHE GLY ASN VAL VAL VAL TYR ALA ASP MET THR GLY LYS SEQRES 33 B 532 GLU VAL ILE ASP TYR LEU THR ALA VAL ALA GLN MET LYS SEQRES 34 B 532 PRO ASP SER GLY ALA TYR PRO GLN PHE ALA ASN VAL SER SEQRES 35 B 532 PHE VAL ALA LYS ASP GLY LYS LEU ASN ASP LEU LYS ILE SEQRES 36 B 532 LYS GLY GLU PRO VAL ASP PRO ALA LYS THR TYR ARG MET SEQRES 37 B 532 ALA THR LEU ASN PHE ASN ALA THR GLY GLY ASP GLY TYR SEQRES 38 B 532 PRO ARG LEU ASP ASN LYS PRO GLY TYR VAL ASN THR GLY SEQRES 39 B 532 PHE ILE ASP ALA GLU VAL LEU LYS ALA TYR ILE GLN LYS SEQRES 40 B 532 SER SER PRO LEU ASP VAL SER VAL TYR GLU PRO LYS GLY SEQRES 41 B 532 GLU VAL SER TRP GLN GLU HIS HIS HIS HIS HIS HIS

HET MN A1551 1 HET MN A1552 1 HET SO4 A1553 5 HET CO3 A1554 4 HET MN B1551 1 HET MN B1552 1 HET SO4 B1553 5 HET CO3 B1554 4

HETNAM MN MANGANESE (II) ION HETNAM SO4 SULFATE ION HETNAM CO3 CARBONATE ION

FORMUL 3 MN 4(MN 2+) FORMUL 5 SO4 2(O4 S 2-) FORMUL 6 CO3 2(C O3 2-) FORMUL 11 HOH *916(H2 O)

HELIX 1 1 GLY A 55 GLU A 73 1 19 HELIX 2 2 VAL A 89 GLN A 95 1 7 HELIX 3 3 ALA A 97 GLY A 108 1 12 HELIX 4 4 GLY A 115 ASP A 120 5 6 HELIX 5 5 PRO A 122 ALA A 133 1 12 HELIX 6 6 ASP A 174 GLY A 179 1 6 HELIX 7 7 ASN A 180 PHE A 184 5 5 HELIX 8 8 LYS A 191 THR A 206 1 16 HELIX 9 9 TYR A 221 GLU A 225 5 5 HELIX 10 10 GLY A 232 LEU A 240 1 9 HELIX 11 11 ASN A 342 GLU A 361 1 20 HELIX 12 12 ASP A 374 ARG A 379 1 6 HELIX 13 13 THR A 383 GLY A 398 1 16 HELIX 14 14 GLY A 407 ILE A 409 5 3 HELIX 15 15 TYR A 420 GLN A 427 1 8 HELIX 16 16 GLY A 440 ALA A 451 1 12 HELIX 17 17 ASN A 497 THR A 501 1 5 HELIX 18 18 GLY A 502 TYR A 506 5 5 HELIX 19 19 ASP A 522 SER A 534 1 13 HELIX 20 20 ASP A 537 GLU A 542 5 6 HELIX 21 21 GLY B 55 GLU B 73 1 19 HELIX 22 22 VAL B 89 GLN B 95 1 7 HELIX 23 23 ALA B 97 GLY B 108 1 12 HELIX 24 24 GLY B 115 ASP B 120 5 6 HELIX 25 25 PRO B 122 ALA B 133 1 12 HELIX 26 26 ASP B 174 GLY B 179 1 6 HELIX 27 27 ASN B 180 PHE B 184 5 5 HELIX 28 28 LYS B 191 THR B 206 1 16 HELIX 29 29 TYR B 221 GLU B 225 5 5 HELIX 30 30 GLY B 232 LEU B 240 1 9 HELIX 31 31 ASN B 342 GLU B 361 1 20 HELIX 32 32 ASP B 374 ARG B 379 1 6 HELIX 33 33 THR B 383 GLY B 398 1 16 HELIX 34 34 GLY B 407 ILE B 409 5 3 HELIX 35 35 TYR B 420 GLN B 427 1 8 HELIX 36 36 GLY B 440 ALA B 451 1 12 HELIX 37 37 ASN B 497 THR B 501 1 5 HELIX 38 38 GLY B 502 TYR B 506 5 5 HELIX 39 39 ASP B 522 SER B 534 1 13 HELIX 40 40 ASP B 537 GLU B 542 5 6

SHEET 1 AA 6 LEU A 137 LEU A 138 0 SHEET 2 AA 6 ALA A 111 ALA A 113 1 O MET A 112 N LEU A 138 SHEET 3 AA 6 SER A 76 SER A 81 1 O SER A 81 N ALA A 113 SHEET 4 AA 6 TYR A 32 THR A 39 1 O LYS A 33 N SER A 76 SHEET 5 AA 6 TYR A 294 ARG A 303 -1 O GLY A 296 N HIS A 38 SHEET 6 AA 6 GLU A 306 PRO A 316 -1 O GLU A 306 N ARG A 303 SHEET 1 AB 3 GLU A 149 ARG A 150 0 SHEET 2 AB 3 ILE A 142 GLN A 144 -1 N GLN A 144 O GLU A 149 SHEET 3 AB 3 ILE A 187 PHE A 189 -1 O GLU A 188 N TYR A 143 SHEET 1 AC 6 TRP A 155 ARG A 160 0 SHEET 2 AC 6 LEU A 163 THR A 171 -1 O LEU A 163 N ARG A 160 SHEET 3 AC 6 ILE A 211 HIS A 217 1 O ILE A 211 N ALA A 166 SHEET 4 AC 6 MET A 247 VAL A 249 1 O MET A 247 N ALA A 214 SHEET 5 AC 6 ILE A 283 VAL A 286 1 O TRP A 284 N ILE A 248 SHEET 6 AC 6 ASP A 278 GLN A 280 -1 O ASP A 278 N ILE A 285 SHEET 1 AD 2 MET A 259 ALA A 261 0 SHEET 2 AD 2 LYS A 264 LYS A 265 -1 O LYS A 264 N ALA A 260 SHEET 1 AE 2 LYS A 320 THR A 324 0 SHEET 2 AE 2 SER A 330 LEU A 334 -1 O GLU A 331 N VAL A 323 SHEET 1 AF 2 LYS A 363 THR A 367 0 SHEET 2 AF 2 GLY A 416 SER A 419 -1 O GLY A 416 N THR A 367 SHEET 1 AG 5 PRO A 461 ALA A 464 0 SHEET 2 AG 5 PHE A 401 SER A 405 -1 O ALA A 402 N ALA A 464 SHEET 3 AG 5 THR A 490 LEU A 496 1 O ALA A 494 N VAL A 403 SHEET 4 AG 5 VAL A 432 THR A 439 -1 O VAL A 434 N THR A 495 SHEET 5 AG 5 TYR A 515 ILE A 521 -1 O VAL A 516 N TYR A 435 SHEET 1 AH 4 GLU A 483 PRO A 484 0 SHEET 2 AH 4 LYS A 474 ILE A 480 -1 O ILE A 480 N GLU A 483 SHEET 3 AH 4 VAL A 466 LYS A 471 -1 O SER A 467 N LYS A 479 SHEET 4 AH 4 VAL A 547 SER A 548 1 O SER A 548 N ALA A 470 SHEET 1 BA 6 LEU B 137 LEU B 138 0 SHEET 2 BA 6 ALA B 111 ALA B 113 1 O MET B 112 N LEU B 138 SHEET 3 BA 6 SER B 76 SER B 81 1 O SER B 81 N ALA B 113 SHEET 4 BA 6 TYR B 32 THR B 39 1 O LYS B 33 N SER B 76 SHEET 5 BA 6 TYR B 294 ARG B 303 -1 O GLY B 296 N HIS B 38 SHEET 6 BA 6 GLU B 306 PRO B 316 -1 O GLU B 306 N ARG B 303 SHEET 1 BB 3 GLU B 149 ARG B 150 0 SHEET 2 BB 3 ILE B 142 GLN B 144 -1 N GLN B 144 O GLU B 149 SHEET 3 BB 3 ILE B 187 PHE B 189 -1 O GLU B 188 N TYR B 143 SHEET 1 BC 6 TRP B 155 ARG B 160 0 SHEET 2 BC 6 LEU B 163 THR B 171 -1 O LEU B 163 N ARG B 160 SHEET 3 BC 6 ILE B 211 HIS B 217 1 O ILE B 211 N ALA B 166 SHEET 4 BC 6 MET B 247 VAL B 249 1 O MET B 247 N ALA B 214 SHEET 5 BC 6 ILE B 283 VAL B 286 1 O TRP B 284 N ILE B 248 SHEET 6 BC 6 ASP B 278 GLN B 280 -1 O ASP B 278 N ILE B 285 SHEET 1 BD 2 MET B 259 ALA B 261 0 SHEET 2 BD 2 LYS B 264 LYS B 265 -1 O LYS B 264 N ALA B 260 SHEET 1 BE 2 LYS B 320 THR B 324 0 SHEET 2 BE 2 SER B 330 LEU B 334 -1 O GLU B 331 N VAL B 323 SHEET 1 BF 2 LYS B 363 THR B 367 0 SHEET 2 BF 2 GLY B 416 SER B 419 -1 O GLY B 416 N THR B 367 SHEET 1 BG 5 PRO B 461 ALA B 464 0 SHEET 2 BG 5 PHE B 401 SER B 405 -1 O ALA B 402 N ALA B 464 SHEET 3 BG 5 THR B 490 LEU B 496 1 O ALA B 494 N VAL B 403 SHEET 4 BG 5 VAL B 432 THR B 439 -1 O VAL B 434 N THR B 495 SHEET 5 BG 5 TYR B 515 ILE B 521 -1 O VAL B 516 N TYR B 435 SHEET 1 BH 4 GLU B 483 PRO B 484 0 SHEET 2 BH 4 LYS B 474 ILE B 480 -1 O ILE B 480 N GLU B 483 SHEET 3 BH 4 VAL B 466 LYS B 471 -1 O SER B 467 N LYS B 479 SHEET 4 BH 4 VAL B 547 TRP B 549 1 O SER B 548 N ALA B 470

SSBOND 1 CYS A 90 CYS A 424 1555 1555 1.93 SSBOND 2 CYS A 258 CYS A 275 1555 1555 2.03 SSBOND 3 CYS B 90 CYS B 424 1555 1555 1.98 SSBOND 4 CYS B 258 CYS B 275 1555 1555 2.09

LINK MN MN A1551 NE2 HIS A 217 1555 1555 2.12 LINK MN MN A1551 OD2 ASP A 84 1555 1555 2.43 LINK MN MN A1551 ND1 HIS A 252 1555 1555 2.19 LINK MN MN A1551 O1 CO3 A1554 1555 1555 2.08 LINK MN MN A1551 O3 CO3 A1554 1555 1555 2.34 LINK MN MN A1551 OD1 ASN A 116 1555 1555 2.18 LINK MN MN A1552 OE1 GLN A 254 1555 1555 2.27 LINK MN MN A1552 NE2 HIS A 43 1555 1555 2.26 LINK MN MN A1552 OD1 ASP A 41 1555 1555 2.15 LINK MN MN A1552 OD2 ASP A 84 1555 1555 2.28 LINK MN MN A1552 O1 CO3 A1554 1555 1555 2.22 LINK MN MN A1552 O2 CO3 A1554 1555 1555 2.76 LINK MN MN B1551 OD2 ASP B 84 1555 1555 2.37 LINK MN MN B1551 OE1 GLN B 254 1555 1555 2.39 LINK MN MN B1551 NE2 HIS B 43 1555 1555 2.39 LINK MN MN B1551 O3 CO3 B1554 1555 1555 2.35 LINK MN MN B1551 O1 CO3 B1554 1555 1555 2.12 LINK MN MN B1551 OD1 ASP B 41 1555 1555 2.24 LINK MN MN B1552 NE2 HIS B 217 1555 1555 2.14 LINK MN MN B1552 ND1 HIS B 252 1555 1555 2.08 LINK MN MN B1552 O1 CO3 B1554 1555 1555 2.07 LINK MN MN B1552 OD1 ASN B 116 1555 1555 2.22 LINK MN MN B1552 OD2 ASP B 84 1555 1555 2.30

CISPEP 1 SER A 534 PRO A 535 0 -2.67 CISPEP 2 SER B 534 PRO B 535 0 2.81

SITE 1 AC1 6 ASP A 84 ASN A 116 HIS A 217 HIS A 252 SITE 2 AC1 6 MN A1552 CO3 A1554 SITE 1 AC2 6 ASP A 41 HIS A 43 ASP A 84 GLN A 254 SITE 2 AC2 6 MN A1551 CO3 A1554 SITE 1 AC3 5 ARG A 410 PRO A 428 PHE A 429 HOH A2381 SITE 2 AC3 5 HOH A2474 SITE 1 AC4 10 ASP A 41 ASP A 84 ASN A 116 HIS A 117 SITE 2 AC4 10 HIS A 217 HIS A 252 GLN A 254 MN A1551 SITE 3 AC4 10 MN A1552 HOH A2475 SITE 1 AC5 6 ASP B 41 HIS B 43 ASP B 84 GLN B 254 SITE 2 AC5 6 MN B1552 CO3 B1554 SITE 1 AC6 6 ASP B 84 ASN B 116 HIS B 217 HIS B 252 SITE 2 AC6 6 MN B1551 CO3 B1554 SITE 1 AC7 5 ARG B 410 PHE B 429 HOH B2438 HOH B2439 SITE 2 AC7 5 HOH B2440 SITE 1 AC8 12 ASP B 41 HIS B 43 ASP B 84 ASN B 116 SITE 2 AC8 12 HIS B 117 HIS B 217 HIS B 252 GLN B 254 SITE 3 AC8 12 MN B1551 MN B1552 HOH B2203 HOH B2441

CRYST1 97.689 97.689 312.051 90.00 90.00 90.00 P 41 21 2 16

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 0.010236 0.000000 0.000000 0.00000

SCALE2 0.000000 0.010236 0.000000 0.00000

SCALE3 0.000000 0.000000 0.003205 0.00000

MTRIX1 1 0.997570 0.069730 0.001190 -51.37434 1

MTRIX2 1 -0.069730 0.997100 0.030500 51.03961 1

MTRIX3 1 0.000940 -0.030510 0.999530 0.65184 1