HEADER HYDROLASE 25-OCT-13 4NCS TITLE HUMAN SIALIDASE 2 IN COMPLEX WITH 2,3-DIFLUOROSIALIC ACID (COVALENT TITLE 2 INTERMEDIATE) CAVEAT 4NCS FSR A 401 HAS WRONG CHIRALITY AT ATOM C2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: SIALIDASE-2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CYTOSOLIC SIALIDASE, N-ACETYL-ALPHA-NEURAMINIDASE 2; COMPND 5 EC: 3.2.1.18; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: NEU2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PGEX-2T KEYWDS SIALIDASE, HUMAN NEURAMINIDASE, FLUORO-SIALIC ACID, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR S.BUCHINI,F.-X.GALLAT,I.R.GREIG,J.-H.KIM,S.WAKATSUKI,L.M.G.CHAVAS, AUTHOR 2 S.G.WITHERS REVDAT 5 20-SEP-23 4NCS 1 REMARK REVDAT 4 29-JUL-20 4NCS 1 CAVEAT REMARK SEQADV LINK REVDAT 4 2 1 SITE REVDAT 3 15-NOV-17 4NCS 1 REMARK REVDAT 2 02-APR-14 4NCS 1 JRNL REVDAT 1 25-DEC-13 4NCS 0 JRNL AUTH S.BUCHINI,F.X.GALLAT,I.R.GREIG,J.H.KIM,S.WAKATSUKI, JRNL AUTH 2 L.M.CHAVAS,S.G.WITHERS JRNL TITL TUNING MECHANISM-BASED INACTIVATORS OF NEURAMINIDASES: JRNL TITL 2 MECHANISTIC AND STRUCTURAL INSIGHTS. JRNL REF ANGEW.CHEM.INT.ED.ENGL. V. 53 3382 2014 JRNL REFN ISSN 1433-7851 JRNL PMID 24591206 JRNL DOI 10.1002/ANIE.201309675 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.7.0032 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.20 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 9306 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) : 0.164 REMARK 3 R VALUE (WORKING SET) : 0.161 REMARK 3 FREE R VALUE : 0.225 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 953 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) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.26 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1266 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.56 REMARK 3 BIN R VALUE (WORKING SET) : 0.1640 REMARK 3 BIN FREE R VALUE SET COUNT : 82 REMARK 3 BIN FREE R VALUE : 0.2410 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2749 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 31 REMARK 3 SOLVENT ATOMS : 212 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.01 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.58000 REMARK 3 B22 (A**2) : 3.61000 REMARK 3 B33 (A**2) : -3.03000 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): 0.271 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.210 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.136 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.204 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.961 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.934 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2947 ; 0.016 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 2704 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4037 ; 1.918 ; 1.962 REMARK 3 BOND ANGLES OTHERS (DEGREES): 6212 ; 0.837 ; 3.001 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 368 ; 7.647 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 143 ;35.615 ;23.217 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 442 ;15.533 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 25 ;18.327 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 429 ; 0.104 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3393 ; 0.009 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 717 ; 0.001 ; 0.020 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): 1432 ; 2.505 ; 2.826 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1432 ; 2.505 ; 2.826 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1792 ; 3.786 ; 4.215 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1793 ; 3.785 ; 4.218 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1515 ; 3.203 ; 3.264 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1486 ; 3.153 ; 3.235 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 2197 ; 4.979 ; 4.710 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 3431 ; 7.793 ;24.421 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 3319 ; 7.568 ;23.917 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 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: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 4NCS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-OCT-13. REMARK 100 THE DEPOSITION ID IS D_1000083039. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-NOV-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : AR-NW12A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9808 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 31.200 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.25 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1VCU REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.11 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM/POTASSIUM PHOSPHATE BUFFER, PH REMARK 280 8, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 46.34200 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 46.34200 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 44.07200 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 44.12800 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 44.07200 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 44.12800 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 46.34200 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 44.07200 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 44.12800 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 46.34200 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 44.07200 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 44.12800 REMARK 290 SMTRY3 8 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 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 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 GLY A -1 REMARK 465 SER A 0 REMARK 465 MET A 1 REMARK 465 SER A 43 REMARK 465 LYS A 44 REMARK 465 LYS A 45 REMARK 465 ALA A 46 REMARK 465 GLU A 47 REMARK 465 HIS A 48 REMARK 465 GLN A 108 REMARK 465 VAL A 109 REMARK 465 THR A 110 REMARK 465 GLU A 111 REMARK 465 GLN A 112 REMARK 465 GLN A 113 REMARK 465 GLN A 114 REMARK 465 LEU A 115 REMARK 465 GLN A 116 REMARK 465 THR A 117 REMARK 465 ARG A 118 REMARK 465 THR A 226 REMARK 465 GLY A 227 REMARK 465 GLU A 228 REMARK 465 SER A 284 REMARK 465 GLY A 285 REMARK 465 PRO A 286 REMARK 465 GLY A 287 REMARK 465 SER A 288 REMARK 465 PRO A 289 REMARK 465 LEU A 378 REMARK 465 PRO A 379 REMARK 465 GLN A 380 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 674 O HOH A 683 2.18 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 CYS A 88 CA - CB - SG ANGL. DEV. = 6.7 DEGREES REMARK 500 CYS A 164 CA - CB - SG ANGL. DEV. = 7.3 DEGREES REMARK 500 ARG A 230 NE - CZ - NH2 ANGL. DEV. = 3.7 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 ILE A 22 74.01 69.36 REMARK 500 GLU A 50 -74.13 -136.89 REMARK 500 CYS A 164 -162.85 -111.60 REMARK 500 ASN A 168 40.68 -99.86 REMARK 500 ALA A 213 145.43 167.79 REMARK 500 LEU A 217 -137.14 -116.28 REMARK 500 HIS A 297 148.34 -174.96 REMARK 500 ASP A 306 73.29 67.08 REMARK 500 ALA A 333 -116.50 -133.57 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2A75 RELATED DB: PDB REMARK 900 TRYPANOSOMA RANGELI SIALIDASE IN COMPLEX WITH 2,3- DIFLUOROSIALIC REMARK 900 ACID (COVALENT INTERMEDIATE) REMARK 900 RELATED ID: 2AH2 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF TRYPANOSOMA CRUZI TRANS-SIALIDASE IN COMPLEX REMARK 900 WITH 2,3-DIFLUOROSIALIC ACID (COVALENT INTERMEDIATE) REMARK 900 RELATED ID: 4NC5 RELATED DB: PDB REMARK 900 HUMAN SIALIDASE 2 IN COMPLEX WITH 2,3-DIFLUOROSIALIC ACID (COVALENT REMARK 900 INTERMEDIATE) DBREF 4NCS A 1 380 UNP Q9Y3R4 NEUR2_HUMAN 1 380 SEQADV 4NCS GLY A -1 UNP Q9Y3R4 EXPRESSION TAG SEQADV 4NCS SER A 0 UNP Q9Y3R4 EXPRESSION TAG SEQADV 4NCS ALA A 46 UNP Q9Y3R4 ASP 46 ENGINEERED MUTATION SEQADV 4NCS ASN A 168 UNP Q9Y3R4 HIS 168 ENGINEERED MUTATION SEQRES 1 A 382 GLY SER MET ALA SER LEU PRO VAL LEU GLN LYS GLU SER SEQRES 2 A 382 VAL PHE GLN SER GLY ALA HIS ALA TYR ARG ILE PRO ALA SEQRES 3 A 382 LEU LEU TYR LEU PRO GLY GLN GLN SER LEU LEU ALA PHE SEQRES 4 A 382 ALA GLU GLN ARG ALA SER LYS LYS ALA GLU HIS ALA GLU SEQRES 5 A 382 LEU ILE VAL LEU ARG ARG GLY ASP TYR ASP ALA PRO THR SEQRES 6 A 382 HIS GLN VAL GLN TRP GLN ALA GLN GLU VAL VAL ALA GLN SEQRES 7 A 382 ALA ARG LEU ASP GLY HIS ARG SER MET ASN PRO CYS PRO SEQRES 8 A 382 LEU TYR ASP ALA GLN THR GLY THR LEU PHE LEU PHE PHE SEQRES 9 A 382 ILE ALA ILE PRO GLY GLN VAL THR GLU GLN GLN GLN LEU SEQRES 10 A 382 GLN THR ARG ALA ASN VAL THR ARG LEU CYS GLN VAL THR SEQRES 11 A 382 SER THR ASP HIS GLY ARG THR TRP SER SER PRO ARG ASP SEQRES 12 A 382 LEU THR ASP ALA ALA ILE GLY PRO ALA TYR ARG GLU TRP SEQRES 13 A 382 SER THR PHE ALA VAL GLY PRO GLY HIS CYS LEU GLN LEU SEQRES 14 A 382 ASN ASP ARG ALA ARG SER LEU VAL VAL PRO ALA TYR ALA SEQRES 15 A 382 TYR ARG LYS LEU HIS PRO ILE GLN ARG PRO ILE PRO SER SEQRES 16 A 382 ALA PHE CYS PHE LEU SER HIS ASP HIS GLY ARG THR TRP SEQRES 17 A 382 ALA ARG GLY HIS PHE VAL ALA GLN ASP THR LEU GLU CYS SEQRES 18 A 382 GLN VAL ALA GLU VAL GLU THR GLY GLU GLN ARG VAL VAL SEQRES 19 A 382 THR LEU ASN ALA ARG SER HIS LEU ARG ALA ARG VAL GLN SEQRES 20 A 382 ALA GLN SER THR ASN ASP GLY LEU ASP PHE GLN GLU SER SEQRES 21 A 382 GLN LEU VAL LYS LYS LEU VAL GLU PRO PRO PRO GLN GLY SEQRES 22 A 382 CYS GLN GLY SER VAL ILE SER PHE PRO SER PRO ARG SER SEQRES 23 A 382 GLY PRO GLY SER PRO ALA GLN TRP LEU LEU TYR THR HIS SEQRES 24 A 382 PRO THR HIS SER TRP GLN ARG ALA ASP LEU GLY ALA TYR SEQRES 25 A 382 LEU ASN PRO ARG PRO PRO ALA PRO GLU ALA TRP SER GLU SEQRES 26 A 382 PRO VAL LEU LEU ALA LYS GLY SER CYS ALA TYR SER ASP SEQRES 27 A 382 LEU GLN SER MET GLY THR GLY PRO ASP GLY SER PRO LEU SEQRES 28 A 382 PHE GLY CYS LEU TYR GLU ALA ASN ASP TYR GLU GLU ILE SEQRES 29 A 382 VAL PHE LEU MET PHE THR LEU LYS GLN ALA PHE PRO ALA SEQRES 30 A 382 GLU TYR LEU PRO GLN HET FSR A 401 21 HET PO4 A 402 5 HET PO4 A 403 5 HETNAM FSR (2S,3S,4R,5R,6R)-5-ACETAMIDO-2,3-BIS(FLUORANYL)-4- HETNAM 2 FSR OXIDANYL-6-[(1S,2S)-1,2,3-TRIS(OXIDANYL)PROPYL]OXANE- HETNAM 3 FSR 2-CARBOXYLIC ACID HETNAM PO4 PHOSPHATE ION HETSYN FSR 2,3-DIFLUOROSIALIC ACID FORMUL 2 FSR C11 H17 F2 N O8 FORMUL 3 PO4 2(O4 P 3-) FORMUL 5 HOH *212(H2 O) HELIX 1 1 ALA A 61 HIS A 64 5 4 HELIX 2 2 LEU A 142 GLY A 148 1 7 HELIX 3 3 PRO A 149 ARG A 152 5 4 HELIX 4 4 ALA A 317 TRP A 321 5 5 HELIX 5 5 LEU A 369 PHE A 373 1 5 SHEET 1 A 7 GLN A 8 GLN A 14 0 SHEET 2 A 7 GLU A 361 THR A 368 -1 O PHE A 364 N GLU A 10 SHEET 3 A 7 PRO A 348 ALA A 356 -1 N CYS A 352 O LEU A 365 SHEET 4 A 7 VAL A 325 THR A 342 -1 N GLY A 341 O LEU A 349 SHEET 5 A 7 ALA A 305 ASN A 312 -1 N ASP A 306 O GLY A 330 SHEET 6 A 7 GLN A 291 PRO A 298 -1 N LEU A 293 O ASN A 312 SHEET 7 A 7 SER A 275 PRO A 280 -1 N PHE A 279 O TRP A 292 SHEET 1 B 4 ALA A 19 LEU A 28 0 SHEET 2 B 4 SER A 33 ARG A 41 -1 O GLU A 39 N ARG A 21 SHEET 3 B 4 LEU A 51 ASP A 60 -1 O LEU A 51 N GLN A 40 SHEET 4 B 4 GLN A 65 TRP A 68 -1 O GLN A 65 N ASP A 60 SHEET 1 C 4 ALA A 19 LEU A 28 0 SHEET 2 C 4 SER A 33 ARG A 41 -1 O GLU A 39 N ARG A 21 SHEET 3 C 4 LEU A 51 ASP A 60 -1 O LEU A 51 N GLN A 40 SHEET 4 C 4 GLU A 72 VAL A 73 -1 O GLU A 72 N LEU A 54 SHEET 1 D 4 HIS A 82 ASP A 92 0 SHEET 2 D 4 THR A 97 PRO A 106 -1 O PHE A 99 N LEU A 90 SHEET 3 D 4 ARG A 123 SER A 129 -1 O SER A 129 N LEU A 98 SHEET 4 D 4 ARG A 140 ASP A 141 -1 O ARG A 140 N GLN A 126 SHEET 1 E 3 TRP A 154 VAL A 159 0 SHEET 2 E 3 LEU A 174 ARG A 182 -1 O TYR A 179 N ALA A 158 SHEET 3 E 3 LEU A 165 GLN A 166 -1 N LEU A 165 O VAL A 175 SHEET 1 F 4 TRP A 154 VAL A 159 0 SHEET 2 F 4 LEU A 174 ARG A 182 -1 O TYR A 179 N ALA A 158 SHEET 3 F 4 ILE A 191 SER A 199 -1 O PHE A 197 N VAL A 176 SHEET 4 F 4 ALA A 207 ARG A 208 -1 O ALA A 207 N LEU A 198 SHEET 1 G 4 THR A 216 VAL A 224 0 SHEET 2 G 4 VAL A 231 SER A 238 -1 O VAL A 231 N VAL A 224 SHEET 3 G 4 ALA A 242 SER A 248 -1 O VAL A 244 N ALA A 236 SHEET 4 G 4 GLU A 257 VAL A 265 -1 O VAL A 261 N ARG A 243 SSBOND 1 CYS A 88 CYS A 164 1555 1555 2.10 LINK OH TYR A 334 C2 FSR A 401 1555 1555 1.42 CISPEP 1 GLY A 160 PRO A 161 0 4.15 CISPEP 2 PRO A 268 PRO A 269 0 -0.43 CISPEP 3 PRO A 315 PRO A 316 0 5.42 CRYST1 88.144 88.256 92.684 90.00 90.00 90.00 C 2 2 21 8 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 0.011345 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011331 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010789 0.00000