HEADER SUGAR BINDING PROTEIN 16-SEP-20 7D2A TITLE CBM32 OF ALYQ IN COMPLEX WITH 4,5-UNSATURATED MANNURONIC ACID COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALYQ; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CBM32; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PERSICOBACTER SP. CCB-QB2; SOURCE 3 ORGANISM_TAXID: 1561025; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS CBM32, ALGINATE, SUGAR BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.H.TEH,P.F.SIM REVDAT 2 29-NOV-23 7D2A 1 REMARK REVDAT 1 30-DEC-20 7D2A 0 JRNL AUTH A.H.TEH,P.F.SIM,T.HISANO JRNL TITL STRUCTURAL BASIS FOR BINDING URONIC ACIDS BY FAMILY 32 JRNL TITL 2 CARBOHYDRATE-BINDING MODULES. JRNL REF BIOCHEM.BIOPHYS.RES.COMMUN. V. 533 257 2020 JRNL REFN ESSN 1090-2104 JRNL PMID 33010888 JRNL DOI 10.1016/J.BBRC.2020.09.064 REMARK 2 REMARK 2 RESOLUTION. 1.57 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0267 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.57 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.34 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 91.4 REMARK 3 NUMBER OF REFLECTIONS : 18763 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.168 REMARK 3 FREE R VALUE : 0.195 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.802 REMARK 3 FREE R VALUE TEST SET COUNT : 901 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.57 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.61 REMARK 3 REFLECTION IN BIN (WORKING SET) : 863 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 60.48 REMARK 3 BIN R VALUE (WORKING SET) : 0.2570 REMARK 3 BIN FREE R VALUE SET COUNT : 43 REMARK 3 BIN FREE R VALUE : 0.3450 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 969 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 39 REMARK 3 SOLVENT ATOMS : 160 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.49 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.42100 REMARK 3 B22 (A**2) : 0.10600 REMARK 3 B33 (A**2) : 0.31500 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): 0.084 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.083 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.041 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.107 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.961 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.949 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): NULL ; NULL ; NULL REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL 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 : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK BULK SOLVENT REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7D2A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 24-SEP-20. REMARK 100 THE DEPOSITION ID IS D_1300018632. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-MAY-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 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 MICROMAX-007 HF REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTALCLEAR REMARK 200 DATA SCALING SOFTWARE : CRYSTALCLEAR REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18779 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.570 REMARK 200 RESOLUTION RANGE LOW (A) : 40.340 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.5 REMARK 200 DATA REDUNDANCY : 6.730 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 22.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.57 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.63 REMARK 200 COMPLETENESS FOR SHELL (%) : 63.6 REMARK 200 DATA REDUNDANCY IN SHELL : 5.97 REMARK 200 R MERGE FOR SHELL (I) : 0.20300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 6.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: 5XNR REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.27 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.21 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M SODIUM HEPES, 2% PEG 400, 2.0M REMARK 280 AMMONIUM SULPHATE, 10MG/ML ENZYMATICALLY DEGRADED SODIUM REMARK 280 ALGINATE, PH 7.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K 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 21.80400 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 29.21350 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 27.88650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 29.21350 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.80400 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 27.88650 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 700 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 5870 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -4.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C 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 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 MET A -7 REMARK 465 ASN A -6 REMARK 465 HIS A -5 REMARK 465 LYS A -4 REMARK 465 VAL A -3 REMARK 465 GLY A 315 REMARK 465 GLU A 316 REMARK 465 GLU A 317 REMARK 465 GLY A 318 REMARK 465 ASP A 319 REMARK 465 GLY A 320 REMARK 465 ASN A 321 REMARK 465 GLU A 322 REMARK 465 GLU A 323 REMARK 465 HIS A 324 REMARK 465 HIS A 325 REMARK 465 HIS A 326 REMARK 465 HIS A 327 REMARK 465 HIS A 328 REMARK 465 HIS A 329 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 262 47.04 -147.28 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 CA A 401 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 206 O REMARK 620 2 ASP A 209 OD1 77.9 REMARK 620 3 ASN A 211 O 170.3 92.5 REMARK 620 4 THR A 214 O 101.7 143.9 85.1 REMARK 620 5 THR A 214 OG1 92.3 73.8 83.4 70.2 REMARK 620 6 THR A 307 O 85.3 138.6 103.2 76.3 145.1 REMARK 620 7 GLU A 308 OE2 89.2 68.7 88.7 146.9 141.3 73.6 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 403 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 604 O REMARK 620 2 HOH A 660 O 77.2 REMARK 620 N 1 DBREF1 7D2A A -7 323 UNP A0A3B6UEP6_9BACT DBREF2 7D2A A A0A3B6UEP6 1 143 SEQADV 7D2A HIS A 324 UNP A0A3B6UEP EXPRESSION TAG SEQADV 7D2A HIS A 325 UNP A0A3B6UEP EXPRESSION TAG SEQADV 7D2A HIS A 326 UNP A0A3B6UEP EXPRESSION TAG SEQADV 7D2A HIS A 327 UNP A0A3B6UEP EXPRESSION TAG SEQADV 7D2A HIS A 328 UNP A0A3B6UEP EXPRESSION TAG SEQADV 7D2A HIS A 329 UNP A0A3B6UEP EXPRESSION TAG SEQRES 1 A 149 MET ASN HIS LYS VAL HIS MET GLN TYR ASP ILE VAL ALA SEQRES 2 A 149 VAL THR ALA SER ALA HIS ASP GLY ASN LEU PRO GLU ASN SEQRES 3 A 149 THR ILE ASP GLY ASN LEU SER THR ARG TRP SER ALA ASN SEQRES 4 A 149 GLY SER GLY GLN TYR ILE THR PHE ASP LEU GLY SER ALA SEQRES 5 A 149 LYS THR VAL ASN GLN VAL LYS ALA ALA TRP TYR ASN GLY SEQRES 6 A 149 ASP SER ARG THR SER GLY PHE SER ILE SER LEU GLY SER SEQRES 7 A 149 ASP PRO ALA SER LEU THR GLU VAL TYR SER GLY THR SER SEQRES 8 A 149 SER GLY GLN THR ASN ALA LEU GLU SER TYR SER PHE THR SEQRES 9 A 149 ALA THR THR ALA ARG TYR ILE ARG ILE THR GLY PHE GLY SEQRES 10 A 149 ASN SER SER ASN THR TRP ASN SER ILE THR GLU VAL ALA SEQRES 11 A 149 ILE PHE HIS ALA GLY GLU GLU GLY ASP GLY ASN GLU GLU SEQRES 12 A 149 HIS HIS HIS HIS HIS HIS HET LGU C 1 13 HET MAW C 2 11 HET CA A 401 1 HET PG4 A 402 13 HET NA A 403 1 HETNAM LGU ALPHA-L-GULOPYRANURONIC ACID HETNAM MAW 4-DEOXY-ALPHA-L-ERYTHRO-HEX-4-ENOPYRANURONIC ACID HETNAM CA CALCIUM ION HETNAM PG4 TETRAETHYLENE GLYCOL HETNAM NA SODIUM ION HETSYN LGU ALPHA-L-GULURONIC ACID; L-GULURONIC ACID; GULURONIC HETSYN 2 LGU ACID; ALPHA-L-GULURONATE HETSYN MAW 4-DEOXY-ALPHA-L-ERYTHRO-HEX-4-ENURONIC ACID; 4-DEOXY-L- HETSYN 2 MAW ERYTHRO-HEX-4-ENURONIC ACID; 4-DEOXY-ERYTHRO-HEX-4- HETSYN 3 MAW ENURONIC ACID FORMUL 2 LGU C6 H10 O7 FORMUL 2 MAW C6 H8 O6 FORMUL 3 CA CA 2+ FORMUL 4 PG4 C8 H18 O5 FORMUL 5 NA NA 1+ FORMUL 6 HOH *160(H2 O) HELIX 1 AA1 LEU A 203 ASP A 209 5 7 HELIX 2 AA2 ASP A 259 LEU A 263 5 5 SHEET 1 AA1 4 MET A -1 GLN A 188 0 SHEET 2 AA1 4 TRP A 303 HIS A 313 -1 O HIS A 313 N MET A -1 SHEET 3 AA1 4 GLN A 223 TRP A 242 -1 N LYS A 239 O ALA A 310 SHEET 4 AA1 4 TRP A 216 ASN A 219 0 SHEET 1 AA2 6 ALA A 193 ALA A 196 0 SHEET 2 AA2 6 GLN A 223 TRP A 242 -1 O THR A 226 N THR A 195 SHEET 3 AA2 6 TRP A 303 HIS A 313 -1 O ALA A 310 N LYS A 239 SHEET 4 AA2 6 GLU A 279 ASN A 298 0 SHEET 5 AA2 6 SER A 250 GLY A 257 -1 N SER A 255 O ARG A 292 SHEET 6 AA2 6 THR A 264 THR A 270 -1 O VAL A 266 N ILE A 254 LINK O4 LGU C 1 C1 MAW C 2 1555 1555 1.45 LINK O ASN A 206 CA CA A 401 1555 1555 2.21 LINK OD1 ASP A 209 CA CA A 401 1555 1555 2.48 LINK O ASN A 211 CA CA A 401 1555 1555 2.25 LINK O THR A 214 CA CA A 401 1555 1555 2.52 LINK OG1 THR A 214 CA CA A 401 1555 1555 2.43 LINK O THR A 307 CA CA A 401 1555 1555 2.36 LINK OE2 GLU A 308 CA CA A 401 1555 1555 2.37 LINK NA NA A 403 O HOH A 604 1555 1555 3.01 LINK NA NA A 403 O HOH A 660 1555 1555 3.13 CRYST1 43.608 55.773 58.427 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 0.022932 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017930 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017115 0.00000