HEADER CELL ADHESION 23-FEB-06 2DF3 TITLE THE STRUCTURE OF SIGLEC-7 IN COMPLEX WITH ALPHA(2,3)/ALPHA(2,6) TITLE 2 DISIALYL LACTOTETRAOSYL 2-(TRIMETHYLSILYL)ETHYL COMPND MOL_ID: 1; COMPND 2 MOLECULE: SIALIC ACID-BINDING IG-LIKE LECTIN 7; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: IG-LIKE V-TYPE; COMPND 5 SYNONYM: SIGLEC-7,ADHESION INHIBITORY RECEPTOR MOLECULE 1,AIRM-1, COMPND 6 CDW328,D-SIGLEC,QA79 MEMBRANE PROTEIN,P75; COMPND 7 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: SIGLEC7, AIRM1; SOURCE 6 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 7 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 10029; SOURCE 9 EXPRESSION_SYSTEM_CELL_LINE: CHO LEC1; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PDEF KEYWDS SIGLEC, SIALIC ACID, GANGLIOSIDE, CELL ADHESION EXPDTA X-RAY DIFFRACTION AUTHOR H.ATTRILL REVDAT 10 25-OCT-23 2DF3 1 REMARK HETSYN LINK ATOM REVDAT 9 29-JUL-20 2DF3 1 COMPND REMARK HETNAM LINK REVDAT 9 2 1 SITE ATOM REVDAT 8 01-JUL-20 2DF3 1 COMPND SOURCE REMARK LINK REVDAT 8 2 1 SITE ATOM REVDAT 7 14-JAN-15 2DF3 1 CRYST1 REVDAT 6 17-DEC-14 2DF3 1 ATOM LINK REVDAT 5 13-JUL-11 2DF3 1 VERSN REVDAT 4 24-FEB-09 2DF3 1 VERSN REVDAT 3 04-JUL-06 2DF3 1 JRNL REVDAT 2 27-JUN-06 2DF3 1 REMARK REVDAT 1 20-JUN-06 2DF3 0 JRNL AUTH H.ATTRILL,H.TAKAZAWA,S.WITT,S.KELM,R.ISECKE,R.BROSSMER, JRNL AUTH 2 T.ANDO,H.ISHIDA,M.KISO,P.R.CROCKER,D.M.F.VAN AALTEN JRNL TITL THE STRUCTURE OF SIGLEC-7 IN COMPLEX WITH SIALOSIDES: LEADS JRNL TITL 2 FOR RATIONAL STRUCTURE-BASED INHIBITOR DESIGN JRNL REF BIOCHEM.J. V. 397 271 2006 JRNL REFN ISSN 0264-6021 JRNL PMID 16623661 JRNL DOI 10.1042/BJ20060103 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.1.24 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 10960 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) : 0.197 REMARK 3 R VALUE (WORKING SET) : 0.195 REMARK 3 FREE R VALUE : 0.237 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 523 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.95 REMARK 3 REFLECTION IN BIN (WORKING SET) : 715 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2420 REMARK 3 BIN FREE R VALUE SET COUNT : 24 REMARK 3 BIN FREE R VALUE : 0.2650 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 919 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 87 REMARK 3 SOLVENT ATOMS : 94 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.86 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.77000 REMARK 3 B22 (A**2) : 0.77000 REMARK 3 B33 (A**2) : -1.54000 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): 0.164 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): 3.401 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.951 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.917 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1054 ; 0.014 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1440 ; 1.646 ; 2.014 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 111 ; 5.934 ; 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): 166 ; 0.106 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 773 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 438 ; 0.189 ; 0.200 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): 98 ; 0.190 ; 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): 25 ; 0.130 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 9 ; 0.107 ; 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): 578 ; 1.548 ; 3.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 935 ; 2.496 ; 3.200 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 476 ; 2.354 ; 4.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 505 ; 2.964 ; 3.500 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 2DF3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 28-FEB-06. REMARK 100 THE DEPOSITION ID IS D_1000025342. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-FEB-03 REMARK 200 TEMPERATURE (KELVIN) : 100 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 : ID14-4 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.933 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 : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : CCP4 (TRUNCATE) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11014 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 24.0 REMARK 200 DATA REDUNDANCY : 4.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 20.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.80 REMARK 200 R MERGE FOR SHELL (I) : 0.38000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.100 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 1O7S REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.84 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.23 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 8.5% ISO-PROPANOL, 0.095M HEPES, 17% REMARK 280 PEG 4000, 15% GLYCEROL, PH 7.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K 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 46.44000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 26.53500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 26.53500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 23.22000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 26.53500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 26.53500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 69.66000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 26.53500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 26.53500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 23.22000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 26.53500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 26.53500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 69.66000 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 46.44000 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 GLY A 18 REMARK 465 GLN A 19 REMARK 465 LYS A 20 REMARK 465 SER A 21 REMARK 465 ASN A 22 REMARK 465 ARG A 23 REMARK 465 ASP A 53 REMARK 465 SER A 54 REMARK 465 GLN A 55 REMARK 465 GLY A 69 REMARK 465 ASN A 70 REMARK 465 ASP A 71 REMARK 465 ILE A 72 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 LYS A 24 CG CD CE NZ REMARK 470 ASP A 57 CG OD1 OD2 REMARK 470 ARG A 120 CD NE CZ NH1 NH2 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 LYS A 75 CG CD CE NZ 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 SG CYS A 41 SG CYS A 310 2.08 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 TRP A 74 42.45 -70.84 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1O7S RELATED DB: PDB REMARK 900 THE SAME PROTEIN IN APO FORM DBREF 2DF3 A 18 144 UNP Q9Y286 SIGL7_HUMAN 18 144 SEQRES 1 A 127 GLY GLN LYS SER ASN ARG LYS ASP TYR SER LEU THR MET SEQRES 2 A 127 GLN SER SER VAL THR VAL GLN GLU GLY MET CYS VAL HIS SEQRES 3 A 127 VAL ARG CYS SER PHE SER TYR PRO VAL ASP SER GLN THR SEQRES 4 A 127 ASP SER ASP PRO VAL HIS GLY TYR TRP PHE ARG ALA GLY SEQRES 5 A 127 ASN ASP ILE SER TRP LYS ALA PRO VAL ALA THR ASN ASN SEQRES 6 A 127 PRO ALA TRP ALA VAL GLN GLU GLU THR ARG ASP ARG PHE SEQRES 7 A 127 HIS LEU LEU GLY ASP PRO GLN THR LYS ASN CYS THR LEU SEQRES 8 A 127 SER ILE ARG ASP ALA ARG MET SER ASP ALA GLY ARG TYR SEQRES 9 A 127 PHE PHE ARG MET GLU LYS GLY ASN ILE LYS TRP ASN TYR SEQRES 10 A 127 LYS TYR ASP GLN LEU SER VAL ASN VAL THR MODRES 2DF3 ASN A 105 ASN GLYCOSYLATION SITE HET NAG B 1 15 HET GAL B 2 11 HET SIA B 3 20 HET SIA B 4 20 HET NAG A 301 14 HET CYS A 310 7 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM GAL BETA-D-GALACTOPYRANOSE HETNAM SIA N-ACETYL-ALPHA-NEURAMINIC ACID HETNAM CYS CYSTEINE HETSYN NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA- HETSYN 2 NAG D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO- HETSYN 3 NAG 2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE 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 NAG 2(C8 H15 N O6) FORMUL 2 GAL C6 H12 O6 FORMUL 2 SIA 2(C11 H19 N O9) FORMUL 4 CYS C3 H7 N O2 S FORMUL 5 HOH *94(H2 O) HELIX 1 1 ASP A 100 LYS A 104 5 5 HELIX 2 2 ARG A 114 ALA A 118 5 5 SHEET 1 A 2 SER A 27 MET A 30 0 SHEET 2 A 2 CYS A 46 SER A 49 -1 O SER A 49 N SER A 27 SHEET 1 B 5 SER A 33 GLN A 37 0 SHEET 2 B 5 LEU A 139 THR A 144 1 O SER A 140 N VAL A 34 SHEET 3 B 5 GLY A 119 LYS A 127 -1 N GLY A 119 O VAL A 141 SHEET 4 B 5 VAL A 61 ARG A 67 -1 N HIS A 62 O GLU A 126 SHEET 5 B 5 ALA A 79 THR A 80 -1 O ALA A 79 N TRP A 65 SHEET 1 C 4 SER A 33 GLN A 37 0 SHEET 2 C 4 LEU A 139 THR A 144 1 O SER A 140 N VAL A 34 SHEET 3 C 4 GLY A 119 LYS A 127 -1 N GLY A 119 O VAL A 141 SHEET 4 C 4 ILE A 130 ASN A 133 -1 O ILE A 130 N LYS A 127 SHEET 1 D 3 VAL A 42 VAL A 44 0 SHEET 2 D 3 LEU A 108 ILE A 110 -1 O LEU A 108 N VAL A 44 SHEET 3 D 3 PHE A 95 LEU A 97 -1 N HIS A 96 O SER A 109 SSBOND 1 CYS A 46 CYS A 106 1555 1555 2.05 LINK ND2 ASN A 105 C1 NAG A 301 1555 1555 1.44 LINK O3 NAG B 1 C1 GAL B 2 1555 1555 1.41 LINK O6 NAG B 1 C2 SIA B 4 1555 1555 1.43 LINK O3 GAL B 2 C2 SIA B 3 1555 1555 1.43 CRYST1 53.070 53.070 92.880 90.00 90.00 90.00 P 41 21 2 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 0.018840 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018840 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010770 0.00000