HEADER HYDROLASE 31-DEC-03 1S0I TITLE TRYPANOSOMA CRUZI TRANS-SIALIDASE IN COMPLEX WITH SIALYL-LACTOSE TITLE 2 (MICHAELIS COMPLEX) COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANS-SIALIDASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.2.1.18; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TRYPANOSOMA CRUZI; SOURCE 3 ORGANISM_TAXID: 5693; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: TOP10F; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PTRCHISA KEYWDS TRANSGLYCOSIDASE, SIALYLLACTOSE, TRYPANOSOMA CRUZI, MICHAELIS KEYWDS 2 COMPLEX, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR M.F.AMAYA,A.G.WATTS,I.DAMAGER,A.WEHENKEL,T.NGUYEN,A.BUSCHIAZZO, AUTHOR 2 G.PARIS,A.C.FRASCH,S.G.WITHERS,P.M.ALZARI REVDAT 6 30-OCT-24 1S0I 1 REMARK REVDAT 5 23-AUG-23 1S0I 1 REMARK REVDAT 4 27-OCT-21 1S0I 1 SEQADV HETSYN REVDAT 3 29-JUL-20 1S0I 1 COMPND REMARK SEQADV HET REVDAT 3 2 1 HETNAM HETSYN FORMUL LINK REVDAT 3 3 1 SITE ATOM REVDAT 2 24-FEB-09 1S0I 1 VERSN REVDAT 1 18-MAY-04 1S0I 0 JRNL AUTH M.F.AMAYA,A.G.WATTS,I.DAMAGER,A.WEHENKEL,T.NGUYEN, JRNL AUTH 2 A.BUSCHIAZZO,G.PARIS,A.C.FRASCH,S.G.WITHERS,P.M.ALZARI JRNL TITL STRUCTURAL INSIGHTS INTO THE CATALYTIC MECHANISM OF JRNL TITL 2 TRYPANOSOMA CRUZI TRANS-SIALIDASE. JRNL REF STRUCTURE V. 12 775 2004 JRNL REFN ISSN 0969-2126 JRNL PMID 15130470 JRNL DOI 10.1016/J.STR.2004.02.036 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.BUSCHIAZZO,M.F.AMAYA,M.L.CREMONA,A.C.FRASCH,P.M.ALZARI REMARK 1 TITL THE CRYSTAL STRUCTURE AND MODE OF ACTION OF TRANS-SIALIDASE, REMARK 1 TITL 2 A KEY ENZYME IN TRYPANOSOMA CRUZI PATHOGENESIS REMARK 1 REF MOL.CELL V. 10 757 2002 REMARK 1 REFN ISSN 1097-2765 REMARK 1 DOI 10.1016/S1097-2765(02)00680-9 REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.0 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.2 REMARK 3 NUMBER OF REFLECTIONS : 85504 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) : 0.165 REMARK 3 R VALUE (WORKING SET) : 0.164 REMARK 3 FREE R VALUE : 0.187 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 4534 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) : 1.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.64 REMARK 3 REFLECTION IN BIN (WORKING SET) : 4880 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.1770 REMARK 3 BIN FREE R VALUE SET COUNT : 234 REMARK 3 BIN FREE R VALUE : 0.2570 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4842 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 43 REMARK 3 SOLVENT ATOMS : 590 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.43 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.67000 REMARK 3 B22 (A**2) : -0.76000 REMARK 3 B33 (A**2) : 0.74000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.06000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.079 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.078 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.052 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.438 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.962 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.954 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 5002 ; 0.013 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 6796 ; 1.616 ; 1.946 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 621 ; 5.496 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 865 ;16.315 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 758 ; 0.114 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3767 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 2310 ; 0.211 ; 0.300 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): 738 ; 0.129 ; 0.500 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): 36 ; 0.300 ; 0.300 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 13 ; 0.106 ; 0.500 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): 3083 ; 0.890 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 4971 ; 1.596 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1919 ; 2.580 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1825 ; 4.015 ; 4.500 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 : 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: NULL REMARK 4 REMARK 4 1S0I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-JAN-04. REMARK 100 THE DEPOSITION ID IS D_1000021212. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-SEP-02 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9330 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 90100 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 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 (%) : 96.2 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.03400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.63 REMARK 200 COMPLETENESS FOR SHELL (%) : 80.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.11400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1MS1 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.66 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.54 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, TRIS-HCL, ISOPROPANOL, PH REMARK 280 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 64.72150 REMARK 290 SMTRY3 2 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, 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 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 -13 REMARK 465 GLY A -12 REMARK 465 GLY A -11 REMARK 465 SER A -10 REMARK 465 HIS A -9 REMARK 465 HIS A -8 REMARK 465 HIS A -7 REMARK 465 HIS A -6 REMARK 465 HIS A -5 REMARK 465 HIS A -4 REMARK 465 GLY A -3 REMARK 465 MET A -2 REMARK 465 ALA A -1 REMARK 465 SER A 0 REMARK 465 ASP A 400 REMARK 465 PRO A 401 REMARK 465 ALA A 402 REMARK 465 ALA A 403 REMARK 465 SER A 404 REMARK 465 SER A 405 REMARK 465 SER A 406 REMARK 465 GLU A 407 REMARK 465 ARG A 408 REMARK 465 MET A 633 REMARK 465 ASP A 634 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 O HOH A 1120 O HOH A 1380 2.08 REMARK 500 O HOH A 1094 O HOH A 1235 2.08 REMARK 500 OE1 GLN A 523 O HOH A 1128 2.11 REMARK 500 CE1 HIS A 391 O HOH A 1478 2.11 REMARK 500 O HOH A 1159 O HOH A 1455 2.12 REMARK 500 N LEU A 1 O HOH A 1143 2.14 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 117 NE - CZ - NH1 ANGL. DEV. = 7.6 DEGREES REMARK 500 ARG A 117 NE - CZ - NH2 ANGL. DEV. = -6.8 DEGREES REMARK 500 ASP A 506 CB - CG - OD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 ARG A 544 CG - CD - NE ANGL. DEV. = -18.6 DEGREES REMARK 500 ASP A 561 CB - CG - OD2 ANGL. DEV. = 5.4 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 15 -61.07 -147.87 REMARK 500 ASP A 43 51.93 38.72 REMARK 500 ASN A 60 68.78 -101.99 REMARK 500 SER A 115 -2.36 -144.88 REMARK 500 THR A 142 43.89 -102.70 REMARK 500 ASN A 173 -78.70 -126.46 REMARK 500 ALA A 179 163.86 79.95 REMARK 500 GLU A 230 59.81 30.37 REMARK 500 THR A 269 -76.43 -138.53 REMARK 500 ARG A 311 -138.11 52.61 REMARK 500 ARG A 316 65.74 66.70 REMARK 500 GLN A 325 -67.98 -133.23 REMARK 500 SER A 340 82.76 -157.84 REMARK 500 SER A 424 -125.56 -140.61 REMARK 500 VAL A 466 -94.14 -116.47 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1S0J RELATED DB: PDB REMARK 900 TRYPANOSOMA CRUZI TRANS-SIALIDASE IN COMPLEX WITH MUNANA (MICHAELIS REMARK 900 COMPLEX) REMARK 900 RELATED ID: 1S0K RELATED DB: PDB REMARK 900 TRYPANOSOMA CRUZI TRANS-SIALIDASE IN COMPLEX WITH 2,3-DIFLUORO REMARK 900 SIALIC ACID (COVALENT INTERMEDIATE) REMARK 999 REMARK 999 SEQUENCE REMARK 999 AUTHOR INDICATES THAT THE SEQUENCE IN THE DATABASE REMARK 999 IS INCORRECT. DBREF 1S0I A 1 634 UNP Q26966 Q26966_TRYCR 2 635 SEQADV 1S0I MET A -13 UNP Q26966 CLONING ARTIFACT SEQADV 1S0I GLY A -12 UNP Q26966 CLONING ARTIFACT SEQADV 1S0I GLY A -11 UNP Q26966 CLONING ARTIFACT SEQADV 1S0I SER A -10 UNP Q26966 CLONING ARTIFACT SEQADV 1S0I HIS A -9 UNP Q26966 CLONING ARTIFACT SEQADV 1S0I HIS A -8 UNP Q26966 CLONING ARTIFACT SEQADV 1S0I HIS A -7 UNP Q26966 CLONING ARTIFACT SEQADV 1S0I HIS A -6 UNP Q26966 CLONING ARTIFACT SEQADV 1S0I HIS A -5 UNP Q26966 CLONING ARTIFACT SEQADV 1S0I HIS A -4 UNP Q26966 CLONING ARTIFACT SEQADV 1S0I GLY A -3 UNP Q26966 CLONING ARTIFACT SEQADV 1S0I MET A -2 UNP Q26966 CLONING ARTIFACT SEQADV 1S0I ALA A -1 UNP Q26966 CLONING ARTIFACT SEQADV 1S0I SER A 0 UNP Q26966 CLONING ARTIFACT SEQADV 1S0I PHE A 58 UNP Q26966 ASN 59 ENGINEERED MUTATION SEQADV 1S0I ALA A 59 UNP Q26966 ASP 60 ENGINEERED MUTATION SEQADV 1S0I THR A 262 UNP Q26966 SER 263 SEE REMARK 999 SEQADV 1S0I HIS A 476 UNP Q26966 ARG 477 SEE REMARK 999 SEQADV 1S0I LEU A 484 UNP Q26966 VAL 485 SEE REMARK 999 SEQADV 1S0I LYS A 495 UNP Q26966 SER 496 ENGINEERED MUTATION SEQADV 1S0I GLY A 496 UNP Q26966 VAL 497 ENGINEERED MUTATION SEQADV 1S0I LYS A 520 UNP Q26966 GLU 521 ENGINEERED MUTATION SEQADV 1S0I VAL A 558 UNP Q26966 GLU 559 SEE REMARK 999 SEQADV 1S0I GLY A 593 UNP Q26966 ASP 594 ENGINEERED MUTATION SEQADV 1S0I ASP A 597 UNP Q26966 ILE 598 ENGINEERED MUTATION SEQADV 1S0I ARG A 599 UNP Q26966 HIS 600 ENGINEERED MUTATION SEQRES 1 A 648 MET GLY GLY SER HIS HIS HIS HIS HIS HIS GLY MET ALA SEQRES 2 A 648 SER LEU ALA PRO GLY SER SER ARG VAL GLU LEU PHE LYS SEQRES 3 A 648 ARG GLN SER SER LYS VAL PRO PHE GLU LYS ASP GLY LYS SEQRES 4 A 648 VAL THR GLU ARG VAL VAL HIS SER PHE ARG LEU PRO ALA SEQRES 5 A 648 LEU VAL ASN VAL ASP GLY VAL MET VAL ALA ILE ALA ASP SEQRES 6 A 648 ALA ARG TYR GLU THR SER PHE ALA ASN SER LEU ILE ASP SEQRES 7 A 648 THR VAL ALA LYS TYR SER VAL ASP ASP GLY GLU THR TRP SEQRES 8 A 648 GLU THR GLN ILE ALA ILE LYS ASN SER ARG ALA SER SER SEQRES 9 A 648 VAL SER ARG VAL VAL ASP PRO THR VAL ILE VAL LYS GLY SEQRES 10 A 648 ASN LYS LEU TYR VAL LEU VAL GLY SER TYR ASN SER SER SEQRES 11 A 648 ARG SER TYR TRP THR SER HIS GLY ASP ALA ARG ASP TRP SEQRES 12 A 648 ASP ILE LEU LEU ALA VAL GLY GLU VAL THR LYS SER THR SEQRES 13 A 648 ALA GLY GLY LYS ILE THR ALA SER ILE LYS TRP GLY SER SEQRES 14 A 648 PRO VAL SER LEU LYS GLU PHE PHE PRO ALA GLU MET GLU SEQRES 15 A 648 GLY MET HIS THR ASN GLN PHE LEU GLY GLY ALA GLY VAL SEQRES 16 A 648 ALA ILE VAL ALA SER ASN GLY ASN LEU VAL TYR PRO VAL SEQRES 17 A 648 GLN VAL THR ASN LYS LYS LYS GLN VAL PHE SER LYS ILE SEQRES 18 A 648 PHE TYR SER GLU ASP GLU GLY LYS THR TRP LYS PHE GLY SEQRES 19 A 648 LYS GLY ARG SER ALA PHE GLY CYS SER GLU PRO VAL ALA SEQRES 20 A 648 LEU GLU TRP GLU GLY LYS LEU ILE ILE ASN THR ARG VAL SEQRES 21 A 648 ASP TYR ARG ARG ARG LEU VAL TYR GLU SER SER ASP MET SEQRES 22 A 648 GLY ASN THR TRP LEU GLU ALA VAL GLY THR LEU SER ARG SEQRES 23 A 648 VAL TRP GLY PRO SER PRO LYS SER ASN GLN PRO GLY SER SEQRES 24 A 648 GLN SER SER PHE THR ALA VAL THR ILE GLU GLY MET ARG SEQRES 25 A 648 VAL MET LEU PHE THR HIS PRO LEU ASN PHE LYS GLY ARG SEQRES 26 A 648 TRP LEU ARG ASP ARG LEU ASN LEU TRP LEU THR ASP ASN SEQRES 27 A 648 GLN ARG ILE TYR ASN VAL GLY GLN VAL SER ILE GLY ASP SEQRES 28 A 648 GLU ASN SER ALA TYR SER SER VAL LEU TYR LYS ASP ASP SEQRES 29 A 648 LYS LEU TYR CYS LEU HIS GLU ILE ASN SER ASN GLU VAL SEQRES 30 A 648 TYR SER LEU VAL PHE ALA ARG LEU VAL GLY GLU LEU ARG SEQRES 31 A 648 ILE ILE LYS SER VAL LEU GLN SER TRP LYS ASN TRP ASP SEQRES 32 A 648 SER HIS LEU SER SER ILE CYS THR PRO ALA ASP PRO ALA SEQRES 33 A 648 ALA SER SER SER GLU ARG GLY CYS GLY PRO ALA VAL THR SEQRES 34 A 648 THR VAL GLY LEU VAL GLY PHE LEU SER HIS SER ALA THR SEQRES 35 A 648 LYS THR GLU TRP GLU ASP ALA TYR ARG CYS VAL ASN ALA SEQRES 36 A 648 SER THR ALA ASN ALA GLU ARG VAL PRO ASN GLY LEU LYS SEQRES 37 A 648 PHE ALA GLY VAL GLY GLY GLY ALA LEU TRP PRO VAL SER SEQRES 38 A 648 GLN GLN GLY GLN ASN GLN ARG TYR HIS PHE ALA ASN HIS SEQRES 39 A 648 ALA PHE THR LEU VAL ALA SER VAL THR ILE HIS GLU VAL SEQRES 40 A 648 PRO LYS GLY ALA SER PRO LEU LEU GLY ALA SER LEU ASP SEQRES 41 A 648 SER SER GLY GLY LYS LYS LEU LEU GLY LEU SER TYR ASP SEQRES 42 A 648 LYS ARG HIS GLN TRP GLN PRO ILE TYR GLY SER THR PRO SEQRES 43 A 648 VAL THR PRO THR GLY SER TRP GLU MET GLY LYS ARG TYR SEQRES 44 A 648 HIS VAL VAL LEU THR MET ALA ASN LYS ILE GLY SER VAL SEQRES 45 A 648 TYR ILE ASP GLY GLU PRO LEU GLU GLY SER GLY GLN THR SEQRES 46 A 648 VAL VAL PRO ASP GLU ARG THR PRO ASP ILE SER HIS PHE SEQRES 47 A 648 TYR VAL GLY GLY TYR LYS ARG SER GLY MET PRO THR ASP SEQRES 48 A 648 SER ARG VAL THR VAL ASN ASN VAL LEU LEU TYR ASN ARG SEQRES 49 A 648 GLN LEU ASN ALA GLU GLU ILE ARG THR LEU PHE LEU SER SEQRES 50 A 648 GLN ASP LEU ILE GLY THR GLU ALA HIS MET ASP HET GLC B 1 12 HET GAL B 2 11 HET SIA B 3 20 HETNAM GLC ALPHA-D-GLUCOPYRANOSE HETNAM GAL BETA-D-GALACTOPYRANOSE HETNAM SIA N-ACETYL-ALPHA-NEURAMINIC ACID HETSYN GLC ALPHA-D-GLUCOSE; D-GLUCOSE; GLUCOSE HETSYN GAL BETA-D-GALACTOSE; D-GALACTOSE; GALACTOSE HETSYN SIA N-ACETYLNEURAMINIC ACID; SIALIC ACID; ALPHA-SIALIC HETSYN 2 SIA ACID; O-SIALIC ACID FORMUL 2 GLC C6 H12 O6 FORMUL 2 GAL C6 H12 O6 FORMUL 2 SIA C11 H19 N O9 FORMUL 3 HOH *590(H2 O) HELIX 1 1 TYR A 119 HIS A 123 5 5 HELIX 2 2 LYS A 160 PHE A 163 5 4 HELIX 3 3 LEU A 371 ILE A 395 1 25 HELIX 4 4 SER A 467 GLY A 470 5 4 HELIX 5 5 TYR A 475 ASN A 479 5 5 HELIX 6 6 ASN A 613 SER A 623 1 11 SHEET 1 A 4 SER A 6 PHE A 11 0 SHEET 2 A 4 VAL A 363 ARG A 370 -1 O ARG A 370 N SER A 6 SHEET 3 A 4 LYS A 351 SER A 360 -1 N CYS A 354 O ALA A 369 SHEET 4 A 4 SER A 343 LYS A 348 -1 N LEU A 346 O TYR A 353 SHEET 1 B 2 LYS A 17 LYS A 22 0 SHEET 2 B 2 LYS A 25 VAL A 30 -1 O ARG A 29 N VAL A 18 SHEET 1 C 4 SER A 33 VAL A 42 0 SHEET 2 C 4 VAL A 45 ARG A 53 -1 O ASP A 51 N ARG A 35 SHEET 3 C 4 ILE A 63 SER A 70 -1 O LYS A 68 N ALA A 48 SHEET 4 C 4 GLU A 78 ILE A 83 -1 O GLN A 80 N ALA A 67 SHEET 1 D 3 THR A 148 TRP A 153 0 SHEET 2 D 3 TRP A 129 SER A 141 -1 N SER A 141 O THR A 148 SHEET 3 D 3 VAL A 157 SER A 158 -1 O VAL A 157 N LEU A 133 SHEET 1 E 5 THR A 148 TRP A 153 0 SHEET 2 E 5 TRP A 129 SER A 141 -1 N SER A 141 O THR A 148 SHEET 3 E 5 LYS A 105 TYR A 113 -1 N VAL A 110 O LEU A 132 SHEET 4 E 5 ARG A 93 LYS A 102 -1 N ILE A 100 O TYR A 107 SHEET 5 E 5 GLY A 180 VAL A 181 1 O GLY A 180 N VAL A 99 SHEET 1 F 4 GLU A 166 MET A 167 0 SHEET 2 F 4 MET A 170 GLY A 177 -1 O MET A 170 N MET A 167 SHEET 3 F 4 LEU A 190 ASN A 198 -1 O THR A 197 N GLN A 174 SHEET 4 F 4 ILE A 183 VAL A 184 -1 N ILE A 183 O VAL A 191 SHEET 1 G 5 GLU A 166 MET A 167 0 SHEET 2 G 5 MET A 170 GLY A 177 -1 O MET A 170 N MET A 167 SHEET 3 G 5 LEU A 190 ASN A 198 -1 O THR A 197 N GLN A 174 SHEET 4 G 5 VAL A 203 SER A 210 -1 O PHE A 204 N VAL A 196 SHEET 5 G 5 LYS A 218 PHE A 219 -1 O LYS A 218 N TYR A 209 SHEET 1 H 4 CYS A 228 TRP A 236 0 SHEET 2 H 4 LYS A 239 VAL A 246 -1 O ASN A 243 N VAL A 232 SHEET 3 H 4 VAL A 253 SER A 256 -1 O SER A 256 N LEU A 240 SHEET 4 H 4 LEU A 264 GLU A 265 -1 O LEU A 264 N GLU A 255 SHEET 1 I 4 PHE A 289 ILE A 294 0 SHEET 2 I 4 MET A 297 PRO A 305 -1 O VAL A 299 N VAL A 292 SHEET 3 I 4 LEU A 317 THR A 322 -1 O THR A 322 N MET A 300 SHEET 4 I 4 ILE A 327 GLN A 332 -1 O TYR A 328 N LEU A 321 SHEET 1 J 7 ALA A 446 VAL A 449 0 SHEET 2 J 7 GLY A 452 PHE A 455 -1 O LYS A 454 N GLU A 447 SHEET 3 J 7 VAL A 600 TYR A 608 -1 O VAL A 600 N PHE A 455 SHEET 4 J 7 ALA A 481 ILE A 490 -1 N THR A 483 O TYR A 608 SHEET 5 J 7 ARG A 544 ALA A 552 -1 O TYR A 545 N VAL A 488 SHEET 6 J 7 ILE A 555 ILE A 560 -1 O TYR A 559 N VAL A 548 SHEET 7 J 7 GLU A 563 PRO A 564 -1 O GLU A 563 N ILE A 560 SHEET 1 K13 TRP A 524 TYR A 528 0 SHEET 2 K13 LYS A 512 ASP A 519 -1 N SER A 517 O GLN A 525 SHEET 3 K13 ALA A 497 SER A 504 -1 N LEU A 501 O LEU A 516 SHEET 4 K13 HIS A 583 VAL A 586 -1 O HIS A 583 N SER A 504 SHEET 5 K13 GLY A 461 PRO A 465 -1 N TRP A 464 O PHE A 584 SHEET 6 K13 ALA A 441 ALA A 444 -1 N SER A 442 O LEU A 463 SHEET 7 K13 GLU A 431 ASP A 434 -1 N TRP A 432 O ALA A 441 SHEET 8 K13 LEU A 419 ALA A 427 -1 N SER A 426 O GLU A 433 SHEET 9 K13 VAL A 600 TYR A 608 -1 O LEU A 607 N VAL A 420 SHEET 10 K13 ALA A 481 ILE A 490 -1 N THR A 483 O TYR A 608 SHEET 11 K13 ARG A 544 ALA A 552 -1 O TYR A 545 N VAL A 488 SHEET 12 K13 ILE A 555 ILE A 560 -1 O TYR A 559 N VAL A 548 SHEET 13 K13 GLN A 570 THR A 571 -1 O GLN A 570 N GLY A 556 SSBOND 1 CYS A 396 CYS A 410 1555 1555 2.03 LINK O4 GLC B 1 C1 GAL B 2 1555 1555 1.41 LINK O3 GAL B 2 C2 SIA B 3 1555 1555 1.44 CRYST1 54.296 129.443 54.316 90.00 107.94 90.00 P 1 21 1 2 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 0.018418 0.000000 0.005964 0.00000 SCALE2 0.000000 0.007725 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019352 0.00000