HEADER TRANSFERASE 22-MAR-13 4JS1 TITLE CRYSTAL STRUCTURE OF HUMAN BETA-GALACTOSIDE ALPHA-2,6- TITLE 2 SIALYLTRANSFERASE 1 IN COMPLEX WITH CYTIDINE AND PHOSPHATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-GALACTOSIDE ALPHA-2,6-SIALYLTRANSFERASE 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN, UNP RESIDUES 89-406; COMPND 5 SYNONYM: ALPHA 2,6-ST 1, B-CELL ANTIGEN CD75, CMP-N- COMPND 6 ACETYLNEURAMINATE-BETA-GALACTOSAMIDE-ALPHA-2,6-SIALYLTRANSFERASE 1, COMPND 7 ST6GAL I, ST6GALI, SIALYLTRANSFERASE 1; COMPND 8 EC: 2.4.99.1; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: ST6GAL1, SIAT1; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_COMMON: HUMAN; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 9 EXPRESSION_SYSTEM_CELL_LINE: HEK 293 KEYWDS ROSSMANN, GT-A, SIALYLTRANSFERASE, GLYCOPROTEIN, SIALYLATION, KEYWDS 2 ENDOPLASMATIC RETICULUM, GOLGI, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR B.KUHN,J.BENZ,M.GREIF,A.M.ENGEL,H.SOBEK,M.G.RUDOLPH REVDAT 5 29-JUL-20 4JS1 1 COMPND REMARK HETNAM LINK REVDAT 5 2 1 SITE ATOM REVDAT 4 18-DEC-19 4JS1 1 JRNL LINK REVDAT 3 15-NOV-17 4JS1 1 REMARK REVDAT 2 28-AUG-13 4JS1 1 JRNL REVDAT 1 31-JUL-13 4JS1 0 JRNL AUTH B.KUHN,J.BENZ,M.GREIF,A.M.ENGEL,H.SOBEK,M.G.RUDOLPH JRNL TITL THE STRUCTURE OF HUMAN ALPHA-2,6-SIALYLTRANSFERASE REVEALS JRNL TITL 2 THE BINDING MODE OF COMPLEX GLYCANS. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 69 1826 2013 JRNL REFN ESSN 1399-0047 JRNL PMID 23999306 JRNL DOI 10.1107/S0907444913015412 REMARK 2 REMARK 2 RESOLUTION. 2.09 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: DEV_1327) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.09 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.39 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.9 REMARK 3 NUMBER OF REFLECTIONS : 22159 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.195 REMARK 3 R VALUE (WORKING SET) : 0.193 REMARK 3 FREE R VALUE : 0.228 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.160 REMARK 3 FREE R VALUE TEST SET COUNT : 1143 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 46.3980 - 4.1794 1.00 2763 155 0.1415 0.1562 REMARK 3 2 4.1794 - 3.3176 0.99 2681 169 0.1783 0.2185 REMARK 3 3 3.3176 - 2.8983 1.00 2751 145 0.2264 0.3006 REMARK 3 4 2.8983 - 2.6333 0.99 2688 161 0.2446 0.2962 REMARK 3 5 2.6333 - 2.4446 0.99 2741 136 0.2750 0.3203 REMARK 3 6 2.4446 - 2.3005 0.99 2707 145 0.2848 0.3579 REMARK 3 7 2.3005 - 2.1852 0.72 1973 104 0.3417 0.4374 REMARK 3 8 2.1852 - 2.0901 0.99 2712 128 0.3319 0.3733 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.240 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 34.080 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.009 2816 REMARK 3 ANGLE : 1.252 3835 REMARK 3 CHIRALITY : 0.081 428 REMARK 3 PLANARITY : 0.005 472 REMARK 3 DIHEDRAL : 25.993 1087 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN A AND (RESID 89:406 ) REMARK 3 ORIGIN FOR THE GROUP (A): 2.3395 44.8877 32.6420 REMARK 3 T TENSOR REMARK 3 T11: 0.8266 T22: 0.3110 REMARK 3 T33: 0.3112 T12: 0.0185 REMARK 3 T13: 0.0431 T23: -0.0073 REMARK 3 L TENSOR REMARK 3 L11: 3.6997 L22: 4.0448 REMARK 3 L33: 8.6045 L12: -1.0168 REMARK 3 L13: -1.6255 L23: 3.1222 REMARK 3 S TENSOR REMARK 3 S11: -0.2335 S12: -0.0938 S13: -0.1270 REMARK 3 S21: 1.0391 S22: 0.2734 S23: -0.0865 REMARK 3 S31: 1.4709 S32: 0.2644 S33: -0.0626 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN A AND (RESID 501:509 ) REMARK 3 ORIGIN FOR THE GROUP (A): -7.8249 25.7520 9.7658 REMARK 3 T TENSOR REMARK 3 T11: 0.9100 T22: 1.1090 REMARK 3 T33: 0.9239 T12: -0.1058 REMARK 3 T13: -0.2386 T23: -0.1895 REMARK 3 L TENSOR REMARK 3 L11: 1.2595 L22: 0.4733 REMARK 3 L33: 1.2789 L12: -0.3638 REMARK 3 L13: -1.0275 L23: -0.0903 REMARK 3 S TENSOR REMARK 3 S11: 1.6800 S12: -0.3088 S13: -0.9208 REMARK 3 S21: 0.2395 S22: 0.0680 S23: -1.0318 REMARK 3 S31: 1.4399 S32: 1.0577 S33: -1.2164 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4JS1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-MAR-13. REMARK 100 THE DEPOSITION ID IS D_1000078431. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-NOV-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X10SA 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 : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SADABS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22378 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.090 REMARK 200 RESOLUTION RANGE LOW (A) : 46.400 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 9.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.09 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.16 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : 10.20 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SIRAS REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.63 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.71 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M MES/NAOH, PH 5.8, 20% PEG 2000 REMARK 280 MME, 0.01M CACL2, 0.01M MGCL2, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 294K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 54.07733 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 108.15467 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 81.11600 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 135.19333 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 27.03867 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, 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 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 ND2 ASN A 149 C2 NAG B 1 2.17 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 142 CA - CB - SG ANGL. DEV. = 8.2 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 PRO A 129 -26.95 -34.20 REMARK 500 ASN A 212 -121.59 46.02 REMARK 500 ASN A 218 -2.14 77.39 REMARK 500 PRO A 318 46.30 -81.46 REMARK 500 LYS A 349 123.82 -34.85 REMARK 500 ASP A 361 111.57 -163.94 REMARK 500 ALA A 368 -78.99 -139.59 REMARK 500 PRO A 371 46.38 -78.43 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4JS2 RELATED DB: PDB DBREF 4JS1 A 89 406 UNP P15907 SIAT1_HUMAN 89 406 SEQRES 1 A 318 PRO GLU ALA SER PHE GLN VAL TRP ASN LYS ASP SER SER SEQRES 2 A 318 SER LYS ASN LEU ILE PRO ARG LEU GLN LYS ILE TRP LYS SEQRES 3 A 318 ASN TYR LEU SER MET ASN LYS TYR LYS VAL SER TYR LYS SEQRES 4 A 318 GLY PRO GLY PRO GLY ILE LYS PHE SER ALA GLU ALA LEU SEQRES 5 A 318 ARG CYS HIS LEU ARG ASP HIS VAL ASN VAL SER MET VAL SEQRES 6 A 318 GLU VAL THR ASP PHE PRO PHE ASN THR SER GLU TRP GLU SEQRES 7 A 318 GLY TYR LEU PRO LYS GLU SER ILE ARG THR LYS ALA GLY SEQRES 8 A 318 PRO TRP GLY ARG CYS ALA VAL VAL SER SER ALA GLY SER SEQRES 9 A 318 LEU LYS SER SER GLN LEU GLY ARG GLU ILE ASP ASP HIS SEQRES 10 A 318 ASP ALA VAL LEU ARG PHE ASN GLY ALA PRO THR ALA ASN SEQRES 11 A 318 PHE GLN GLN ASP VAL GLY THR LYS THR THR ILE ARG LEU SEQRES 12 A 318 MET ASN SER GLN LEU VAL THR THR GLU LYS ARG PHE LEU SEQRES 13 A 318 LYS ASP SER LEU TYR ASN GLU GLY ILE LEU ILE VAL TRP SEQRES 14 A 318 ASP PRO SER VAL TYR HIS SER ASP ILE PRO LYS TRP TYR SEQRES 15 A 318 GLN ASN PRO ASP TYR ASN PHE PHE ASN ASN TYR LYS THR SEQRES 16 A 318 TYR ARG LYS LEU HIS PRO ASN GLN PRO PHE TYR ILE LEU SEQRES 17 A 318 LYS PRO GLN MET PRO TRP GLU LEU TRP ASP ILE LEU GLN SEQRES 18 A 318 GLU ILE SER PRO GLU GLU ILE GLN PRO ASN PRO PRO SER SEQRES 19 A 318 SER GLY MET LEU GLY ILE ILE ILE MET MET THR LEU CYS SEQRES 20 A 318 ASP GLN VAL ASP ILE TYR GLU PHE LEU PRO SER LYS ARG SEQRES 21 A 318 LYS THR ASP VAL CYS TYR TYR TYR GLN LYS PHE PHE ASP SEQRES 22 A 318 SER ALA CYS THR MET GLY ALA TYR HIS PRO LEU LEU TYR SEQRES 23 A 318 GLU LYS ASN LEU VAL LYS HIS LEU ASN GLN GLY THR ASP SEQRES 24 A 318 GLU ASP ILE TYR LEU LEU GLY LYS ALA THR LEU PRO GLY SEQRES 25 A 318 PHE ARG THR ILE HIS CYS MODRES 4JS1 ASN A 149 ASN GLYCOSYLATION SITE HET NAG B 1 14 HET NAG B 2 14 HET BMA B 3 11 HET MAN B 4 11 HET NAG B 5 14 HET GAL B 6 11 HET MAN B 7 11 HET NAG B 8 14 HET GAL B 9 11 HET CTN A 510 17 HET PO4 A 511 5 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM BMA BETA-D-MANNOPYRANOSE HETNAM MAN ALPHA-D-MANNOPYRANOSE HETNAM GAL BETA-D-GALACTOPYRANOSE HETNAM CTN 4-AMINO-1-BETA-D-RIBOFURANOSYL-2(1H)-PYRIMIDINONE HETNAM PO4 PHOSPHATE ION HETSYN CTN CYTIDINE FORMUL 2 NAG 4(C8 H15 N O6) FORMUL 2 BMA C6 H12 O6 FORMUL 2 MAN 2(C6 H12 O6) FORMUL 2 GAL 2(C6 H12 O6) FORMUL 3 CTN C9 H13 N3 O5 FORMUL 4 PO4 O4 P 3- FORMUL 5 HOH *41(H2 O) HELIX 1 1 SER A 101 LEU A 105 5 5 HELIX 2 2 ILE A 106 MET A 119 1 14 HELIX 3 3 SER A 136 VAL A 148 1 13 HELIX 4 4 THR A 162 GLU A 166 5 5 HELIX 5 5 SER A 173 ALA A 178 1 6 HELIX 6 6 ALA A 190 LYS A 194 5 5 HELIX 7 7 LEU A 198 ASP A 203 1 6 HELIX 8 8 PHE A 219 GLY A 224 1 6 HELIX 9 9 SER A 234 GLU A 240 1 7 HELIX 10 10 LYS A 241 LYS A 245 5 5 HELIX 11 11 ASP A 246 GLU A 251 5 6 HELIX 12 12 ASP A 265 ASN A 272 1 8 HELIX 13 13 PHE A 277 HIS A 288 1 12 HELIX 14 14 PRO A 298 SER A 312 1 15 HELIX 15 15 SER A 322 LEU A 334 1 13 HELIX 16 16 SER A 362 GLY A 367 1 6 HELIX 17 17 PRO A 371 ASN A 383 1 13 HELIX 18 18 THR A 386 GLY A 394 1 9 HELIX 19 19 PHE A 401 ILE A 404 5 4 SHEET 1 A 7 PHE A 293 ILE A 295 0 SHEET 2 A 7 ILE A 253 TRP A 257 1 N LEU A 254 O TYR A 294 SHEET 3 A 7 ILE A 229 ASN A 233 1 N ARG A 230 O ILE A 253 SHEET 4 A 7 ALA A 207 PHE A 211 1 N ARG A 210 O LEU A 231 SHEET 5 A 7 TRP A 181 VAL A 187 1 N VAL A 187 O LEU A 209 SHEET 6 A 7 CYS A 335 TYR A 341 1 O ASP A 339 N CYS A 184 SHEET 7 A 7 LYS A 395 PRO A 399 -1 O LEU A 398 N VAL A 338 SSBOND 1 CYS A 184 CYS A 335 1555 1555 2.04 SSBOND 2 CYS A 353 CYS A 364 1555 1555 2.04 LINK ND2 ASN A 149 C1 NAG B 1 1555 1555 1.44 LINK O4 NAG B 1 C1 NAG B 2 1555 1555 1.44 LINK O4 NAG B 2 C1 BMA B 3 1555 1555 1.44 LINK O3 BMA B 3 C1 MAN B 4 1555 1555 1.44 LINK O6 BMA B 3 C1 MAN B 7 1555 1555 1.44 LINK O2 MAN B 4 C1 NAG B 5 1555 1555 1.44 LINK O4 NAG B 5 C1 GAL B 6 1555 1555 1.44 LINK O2 MAN B 7 C1 NAG B 8 1555 1555 1.44 LINK O4 NAG B 8 C1 GAL B 9 1555 1555 1.45 CISPEP 1 PHE A 158 PRO A 159 0 5.26 CISPEP 2 GLY A 179 PRO A 180 0 7.24 CRYST1 65.292 65.292 162.232 90.00 90.00 120.00 P 61 6 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 0.015316 0.008843 0.000000 0.00000 SCALE2 0.000000 0.017685 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006164 0.00000