HEADER IMMUNE SYSTEM 24-APR-01 1IIS OBSLTE 24-JUL-07 1IIS 1T83 TITLE CRYSTAL STRUCTURE OF A HUMAN FCG RECEPTOR IN COMPLEX WITH TITLE 2 AN FC FRAGMENT OF IGG1 (ORTHORHOMBIC) COMPND MOL_ID: 1; COMPND 2 MOLECULE: IG GAMMA-1 CHAIN C REGION; COMPND 3 CHAIN: A, B; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: LOW AFFINITY IMMUNOGLOBULIN GAMMA FC REGION COMPND 6 RECEPTOR III-B; COMPND 7 CHAIN: C; COMPND 8 SYNONYM: FCRIII; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 MOL_ID: 2; SOURCE 5 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 6 ORGANISM_COMMON: HUMAN; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_COMMON: BACTERIA; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PET28B KEYWDS BETA SANDWICH, IMMUNOGLOBULIN FOLD EXPDTA X-RAY DIFFRACTION AUTHOR S.RADAEV,S.MOTYKA,W.-H.FRIDMAN,C.SAUTES-FRIDMAN,P.D.SUN REVDAT 4 24-JUL-07 1IIS 1 OBSLTE REVDAT 3 01-APR-03 1IIS 1 JRNL REVDAT 2 16-MAY-01 1IIS 1 JRNL AUTHOR REVDAT 1 09-MAY-01 1IIS 0 JRNL AUTH S.RADAEV,S.MOTYKA,W.H.FRIDMAN,C.SAUTES-FRIDMAN, JRNL AUTH 2 P.D.SUN JRNL TITL THE STRUCTURE OF A HUMAN TYPE III FCGAMMA RECEPTOR JRNL TITL 2 IN COMPLEX WITH FC. JRNL REF J.BIOL.CHEM. V. 276 16469 2001 JRNL REFN ASTM JBCHA3 US ISSN 0021-9258 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.9 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 17780 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 SET) : 0.230 REMARK 3 FREE R VALUE : 0.289 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 872 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4719 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 202 REMARK 3 SOLVENT ATOMS : 125 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 82.00 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.82 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1IIS COMPLIES WITH FORMAT V. 3.0, 1-DEC-2006 REMARK 4 REMARK 4 THIS IS THE REMEDIATED VERSION OF THIS PDB ENTRY. REMARK 4 REMEDIATED DATA FILE REVISION 3.101 (2007-05-29) REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB. REMARK 100 THE RCSB ID CODE IS RCSB013309. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-AUG-2000 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.03320 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : CUSTOM-MADE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19063 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 4.800 REMARK 200 R MERGE (I) : 0.06100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.11 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 4.60 REMARK 200 R MERGE FOR SHELL (I) : 0.46000 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 62.62 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG4000, HEPES, HGBR2, PH 6.0, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 1/2-X,-Y,1/2+Z REMARK 290 3555 -X,1/2+Y,1/2-Z REMARK 290 4555 1/2+X,1/2-Y,-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 36.92300 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 61.53450 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 51.19250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 61.53450 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 36.92300 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 51.19250 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 3 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 350 REMARK 350 GENERATING THE BIOMOLECULE 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 APPLY THE FOLLOWING TO CHAINS: A, D 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 350 BIOMOLECULE: 2 REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, E 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 350 BIOMOLECULE: 3 REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 HIS A 224 REMARK 465 THR A 225 REMARK 465 CYS A 226 REMARK 465 PRO A 227 REMARK 465 PRO A 228 REMARK 465 CYS A 229 REMARK 465 PRO A 230 REMARK 465 ALA A 231 REMARK 465 PRO A 232 REMARK 465 GLU A 233 REMARK 465 LEU A 234 REMARK 465 PRO A 445 REMARK 465 GLY A 446 REMARK 465 LYS A 447 REMARK 465 HIS B 224 REMARK 465 THR B 225 REMARK 465 CYS B 226 REMARK 465 PRO B 227 REMARK 465 PRO B 228 REMARK 465 CYS B 229 REMARK 465 PRO B 230 REMARK 465 ALA B 231 REMARK 465 SER B 444 REMARK 465 PRO B 445 REMARK 465 GLY B 446 REMARK 465 LYS B 447 REMARK 465 ARG C 1 REMARK 465 THR C 2 REMARK 465 GLU C 3 REMARK 465 ASP C 4 REMARK 465 ILE C 172 REMARK 465 THR C 173 REMARK 465 GLN C 174 REMARK 465 GLY C 175 REMARK 465 LEU C 176 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 REMARK 500 OE2 GLU B 294 O5 FUL E 8 1.79 REMARK 500 OE2 GLU B 294 O6 NAG E 1 1.96 REMARK 500 OE1 GLU A 293 OE1 GLN A 295 1.98 REMARK 500 OE1 GLU B 294 O6 NAG E 1 1.98 REMARK 500 O4 NAG E 1 O5 NAG E 2 2.00 REMARK 500 O4 NAG E 2 C2 BMA E 3 2.04 REMARK 500 OE2 GLU B 294 C1 FUL E 8 2.05 REMARK 500 CD GLU B 294 O6 NAG E 1 2.06 REMARK 500 C6 NDG D 1 C1 MAN D 9 2.12 REMARK 500 C6 NAG E 1 O2 FUL E 8 2.15 REMARK 500 O3 NAG D 2 O5 BMA D 3 2.16 REMARK 500 O4 NDG D 1 O5 NAG D 2 2.17 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),F6.3) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU A 294 CB GLU A 294 CG -0.070 REMARK 500 GLU A 294 CA GLU A 294 C -0.115 REMARK 500 GLN A 295 N GLN A 295 CA -0.149 REMARK 500 GLN A 295 CB GLN A 295 CG 0.079 REMARK 500 GLN A 295 CA GLN A 295 C -0.104 REMARK 500 GLN A 295 C GLN A 295 O -0.090 REMARK 500 TYR A 296 CA TYR A 296 CB -0.065 REMARK 500 MET B 252 CG MET B 252 SD 0.085 REMARK 500 GLU B 294 CB GLU B 294 CG -0.085 REMARK 500 GLU B 294 CG GLU B 294 CD -0.105 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: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 GLN A 295 C - N - CA ANGL. DEV. =-42.3 DEGREES REMARK 500 TYR A 296 N - CA - C ANGL. DEV. =-29.1 DEGREES REMARK 500 GLN A 295 CA - C - N ANGL. DEV. =-16.2 DEGREES REMARK 500 TYR A 296 C - N - CA ANGL. DEV. = 12.4 DEGREES REMARK 500 ASN A 297 N - CA - C ANGL. DEV. = 11.9 DEGREES REMARK 500 GLN A 347 N - CA - C ANGL. DEV. =-12.0 DEGREES REMARK 500 ASN A 384 N - CA - C ANGL. DEV. =-12.6 DEGREES REMARK 500 PRO A 396 C - N - CA ANGL. DEV. =-11.6 DEGREES REMARK 500 VAL B 279 N - CA - C ANGL. DEV. =-13.8 DEGREES REMARK 500 ASN B 390 N - CA - C ANGL. DEV. = 11.5 DEGREES REMARK 500 HIS B 433 N - CA - C ANGL. DEV. = 12.3 DEGREES REMARK 500 ASN B 434 N - CA - C ANGL. DEV. =-14.3 DEGREES REMARK 500 LEU B 441 CA - CB - CG ANGL. DEV. = 13.8 DEGREES REMARK 500 GLU C 21 N - CA - C ANGL. DEV. = 12.9 DEGREES REMARK 500 SER C 50 N - CA - C ANGL. DEV. = 12.6 DEGREES REMARK 500 THR C 62 N - CA - C ANGL. DEV. =-11.9 DEGREES REMARK 500 VAL C 158 N - CA - C ANGL. DEV. =-13.8 DEGREES 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 M RES CSSEQI PSI PHI REMARK 500 ASN B 384 -101.24 57.30 REMARK 500 GLU C 46 -63.35 79.03 REMARK 525 REMARK 525 SOLVENT REMARK 525 THE FOLLOWING SOLVENT MOLECULES LIE FARTHER THAN EXPECTED REMARK 525 FROM THE PROTEIN OR NUCLEIC ACID MOLECULE AND MAY BE REMARK 525 ASSOCIATED WITH A SYMMETRY RELATED MOLECULE (M=MODEL REMARK 525 NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH 12 DISTANCE = 6.73 ANGSTROMS REMARK 525 HOH 55 DISTANCE = 5.37 ANGSTROMS REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FNL RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF A HUMAN REMARK 900 FCGRIII REMARK 900 RELATED ID: 1IIX RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF A HUMAN FCG RECEPTOR IN COMPLEX WITH REMARK 900 AN FC FRAGMENT OF IGG1 (HEXAGONAL) DBREF 1IIS A 224 447 UNP P01857 GC1_HUMAN 107 330 DBREF 1IIS B 224 447 UNP P01857 GC1_HUMAN 107 330 DBREF 1IIS C 1 176 UNP O75015 FC3B_HUMAN 19 194 SEQADV 1IIS GLN A 272 UNP P01857 GLU 155 SEE REMARK 999 SEQADV 1IIS ASN A 312 UNP P01857 ASP 195 SEE REMARK 999 SEQADV 1IIS ASP A 315 UNP P01857 ASN 198 SEE REMARK 999 SEQADV 1IIS GLU A 356 UNP P01857 ASP 239 SEE REMARK 999 SEQADV 1IIS MET A 358 UNP P01857 LEU 241 SEE REMARK 999 SEQADV 1IIS GLN B 272 UNP P01857 GLU 155 SEE REMARK 999 SEQADV 1IIS ASN B 312 UNP P01857 ASP 195 SEE REMARK 999 SEQADV 1IIS ASP B 315 UNP P01857 ASN 198 SEE REMARK 999 SEQADV 1IIS GLU B 356 UNP P01857 ASP 239 SEE REMARK 999 SEQADV 1IIS MET B 358 UNP P01857 LEU 241 SEE REMARK 999 SEQRES 1 A 224 HIS THR CYS PRO PRO CYS PRO ALA PRO GLU LEU LEU GLY SEQRES 2 A 224 GLY PRO SER VAL PHE LEU PHE PRO PRO LYS PRO LYS ASP SEQRES 3 A 224 THR LEU MET ILE SER ARG THR PRO GLU VAL THR CYS VAL SEQRES 4 A 224 VAL VAL ASP VAL SER HIS GLU ASP PRO GLN VAL LYS PHE SEQRES 5 A 224 ASN TRP TYR VAL ASP GLY VAL GLU VAL HIS ASN ALA LYS SEQRES 6 A 224 THR LYS PRO ARG GLU GLU GLN TYR ASN SER THR TYR ARG SEQRES 7 A 224 VAL VAL SER VAL LEU THR VAL LEU HIS GLN ASN TRP LEU SEQRES 8 A 224 ASP GLY LYS GLU TYR LYS CYS LYS VAL SER ASN LYS ALA SEQRES 9 A 224 LEU PRO ALA PRO ILE GLU LYS THR ILE SER LYS ALA LYS SEQRES 10 A 224 GLY GLN PRO ARG GLU PRO GLN VAL TYR THR LEU PRO PRO SEQRES 11 A 224 SER ARG GLU GLU MET THR LYS ASN GLN VAL SER LEU THR SEQRES 12 A 224 CYS LEU VAL LYS GLY PHE TYR PRO SER ASP ILE ALA VAL SEQRES 13 A 224 GLU TRP GLU SER ASN GLY GLN PRO GLU ASN ASN TYR LYS SEQRES 14 A 224 THR THR PRO PRO VAL LEU ASP SER ASP GLY SER PHE PHE SEQRES 15 A 224 LEU TYR SER LYS LEU THR VAL ASP LYS SER ARG TRP GLN SEQRES 16 A 224 GLN GLY ASN VAL PHE SER CYS SER VAL MET HIS GLU ALA SEQRES 17 A 224 LEU HIS ASN HIS TYR THR GLN LYS SER LEU SER LEU SER SEQRES 18 A 224 PRO GLY LYS SEQRES 1 B 224 HIS THR CYS PRO PRO CYS PRO ALA PRO GLU LEU LEU GLY SEQRES 2 B 224 GLY PRO SER VAL PHE LEU PHE PRO PRO LYS PRO LYS ASP SEQRES 3 B 224 THR LEU MET ILE SER ARG THR PRO GLU VAL THR CYS VAL SEQRES 4 B 224 VAL VAL ASP VAL SER HIS GLU ASP PRO GLN VAL LYS PHE SEQRES 5 B 224 ASN TRP TYR VAL ASP GLY VAL GLU VAL HIS ASN ALA LYS SEQRES 6 B 224 THR LYS PRO ARG GLU GLU GLN TYR ASN SER THR TYR ARG SEQRES 7 B 224 VAL VAL SER VAL LEU THR VAL LEU HIS GLN ASN TRP LEU SEQRES 8 B 224 ASP GLY LYS GLU TYR LYS CYS LYS VAL SER ASN LYS ALA SEQRES 9 B 224 LEU PRO ALA PRO ILE GLU LYS THR ILE SER LYS ALA LYS SEQRES 10 B 224 GLY GLN PRO ARG GLU PRO GLN VAL TYR THR LEU PRO PRO SEQRES 11 B 224 SER ARG GLU GLU MET THR LYS ASN GLN VAL SER LEU THR SEQRES 12 B 224 CYS LEU VAL LYS GLY PHE TYR PRO SER ASP ILE ALA VAL SEQRES 13 B 224 GLU TRP GLU SER ASN GLY GLN PRO GLU ASN ASN TYR LYS SEQRES 14 B 224 THR THR PRO PRO VAL LEU ASP SER ASP GLY SER PHE PHE SEQRES 15 B 224 LEU TYR SER LYS LEU THR VAL ASP LYS SER ARG TRP GLN SEQRES 16 B 224 GLN GLY ASN VAL PHE SER CYS SER VAL MET HIS GLU ALA SEQRES 17 B 224 LEU HIS ASN HIS TYR THR GLN LYS SER LEU SER LEU SER SEQRES 18 B 224 PRO GLY LYS SEQRES 1 C 176 ARG THR GLU ASP LEU PRO LYS ALA VAL VAL PHE LEU GLU SEQRES 2 C 176 PRO GLN TRP TYR SER VAL LEU GLU LYS ASP SER VAL THR SEQRES 3 C 176 LEU LYS CYS GLN GLY ALA TYR SER PRO GLU ASP ASN SER SEQRES 4 C 176 THR GLN TRP PHE HIS ASN GLU SER LEU ILE SER SER GLN SEQRES 5 C 176 ALA SER SER TYR PHE ILE ASP ALA ALA THR VAL ASN ASP SEQRES 6 C 176 SER GLY GLU TYR ARG CYS GLN THR ASN LEU SER THR LEU SEQRES 7 C 176 SER ASP PRO VAL GLN LEU GLU VAL HIS ILE GLY TRP LEU SEQRES 8 C 176 LEU LEU GLN ALA PRO ARG TRP VAL PHE LYS GLU GLU ASP SEQRES 9 C 176 PRO ILE HIS LEU ARG CYS HIS SER TRP LYS ASN THR ALA SEQRES 10 C 176 LEU HIS LYS VAL THR TYR LEU GLN ASN GLY LYS ASP ARG SEQRES 11 C 176 LYS TYR PHE HIS HIS ASN SER ASP PHE HIS ILE PRO LYS SEQRES 12 C 176 ALA THR LEU LYS ASP SER GLY SER TYR PHE CYS ARG GLY SEQRES 13 C 176 LEU VAL GLY SER LYS ASN VAL SER SER GLU THR VAL ASN SEQRES 14 C 176 ILE THR ILE THR GLN GLY LEU MODRES 1IIS ASN A 297 ASN GLYCOSYLATION SITE MODRES 1IIS ASN B 297 ASN GLYCOSYLATION SITE HET NDG D 1 14 HET NAG D 2 14 HET BMA D 3 11 HET BMA D 4 11 HET MAN D 5 11 HET NDG D 6 14 HET MAN D 8 11 HET MAN D 9 11 HET MAN 7 12 HET NAG E 1 14 HET NAG E 2 14 HET BMA E 3 11 HET BMA E 4 11 HET BMA E 5 11 HET BMA E 6 11 HET BMA E 7 11 HET FUL E 8 10 HETNAM NDG 2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE HETNAM NAG N-ACETYL-D-GLUCOSAMINE HETNAM BMA BETA-D-MANNOSE HETNAM MAN ALPHA-D-MANNOSE HETNAM FUL BETA-L-FUCOSE HETSYN NAG NAG HETSYN FUL 6-DEOXY-BETA-L-GALACTOSE FORMUL 4 NDG 2(C8 H15 N O6) FORMUL 4 NAG 3(C8 H15 N O6) FORMUL 4 BMA 7(C6 H12 O6) FORMUL 4 MAN 4(C6 H12 O6) FORMUL 6 FUL C6 H12 O5 FORMUL 7 HOH *125(H2 O) HELIX 1 1 LYS A 246 MET A 252 1 7 HELIX 2 2 LEU A 309 GLY A 316 1 8 HELIX 3 3 SER A 354 THR A 359 1 6 HELIX 4 4 LYS A 414 GLY A 420 1 7 HELIX 5 5 LYS B 246 MET B 252 1 7 HELIX 6 6 LEU B 309 ASP B 315 1 7 HELIX 7 7 SER B 354 MET B 358 5 5 HELIX 8 8 LYS B 414 GLY B 420 1 7 HELIX 9 9 THR C 62 SER C 66 5 5 HELIX 10 10 LYS C 114 THR C 116 5 3 SHEET 1 A 4 SER A 239 PHE A 243 0 SHEET 2 A 4 GLU A 258 VAL A 266 -1 O THR A 260 N PHE A 243 SHEET 3 A 4 TYR A 300 THR A 307 -1 N TYR A 300 O VAL A 266 SHEET 4 A 4 LYS A 288 THR A 289 -1 O LYS A 288 N VAL A 305 SHEET 1 B 4 GLU A 283 VAL A 284 0 SHEET 2 B 4 LYS A 274 TYR A 278 -1 O TRP A 277 N VAL A 284 SHEET 3 B 4 CYS A 321 SER A 324 -1 N LYS A 322 O ASN A 276 SHEET 4 B 4 ILE A 332 LYS A 334 -1 O ILE A 332 N VAL A 323 SHEET 1 C 4 GLN A 347 LEU A 351 0 SHEET 2 C 4 GLN A 362 PHE A 372 -1 O THR A 366 N LEU A 351 SHEET 3 C 4 PHE A 404 ASP A 413 -1 O PHE A 404 N PHE A 372 SHEET 4 C 4 TYR A 391 THR A 393 -1 O LYS A 392 N LYS A 409 SHEET 1 D 4 GLN A 347 LEU A 351 0 SHEET 2 D 4 GLN A 362 PHE A 372 -1 O THR A 366 N LEU A 351 SHEET 3 D 4 PHE A 404 ASP A 413 -1 O PHE A 404 N PHE A 372 SHEET 4 D 4 VAL A 397 LEU A 398 -1 N VAL A 397 O PHE A 405 SHEET 1 E 3 ALA A 378 GLU A 382 0 SHEET 2 E 3 PHE A 423 MET A 428 -1 N SER A 424 O GLU A 382 SHEET 3 E 3 THR A 437 LEU A 441 -1 O THR A 437 N VAL A 427 SHEET 1 F 4 SER B 239 PHE B 243 0 SHEET 2 F 4 GLU B 258 VAL B 264 -1 N THR B 260 O PHE B 243 SHEET 3 F 4 ARG B 301 THR B 307 -1 O VAL B 302 N VAL B 263 SHEET 4 F 4 ALA B 287 LYS B 290 -1 O LYS B 288 N VAL B 305 SHEET 1 G 4 VAL B 282 VAL B 284 0 SHEET 2 G 4 LYS B 274 VAL B 279 -1 O TRP B 277 N VAL B 284 SHEET 3 G 4 TYR B 319 SER B 324 -1 N LYS B 320 O TYR B 278 SHEET 4 G 4 ILE B 332 ILE B 336 -1 O ILE B 332 N VAL B 323 SHEET 1 H 4 GLN B 347 LEU B 351 0 SHEET 2 H 4 GLN B 362 PHE B 372 -1 O THR B 366 N LEU B 351 SHEET 3 H 4 PHE B 404 ASP B 413 -1 O PHE B 404 N PHE B 372 SHEET 4 H 4 TYR B 391 THR B 393 -1 O LYS B 392 N LYS B 409 SHEET 1 I 4 GLN B 347 LEU B 351 0 SHEET 2 I 4 GLN B 362 PHE B 372 -1 O THR B 366 N LEU B 351 SHEET 3 I 4 PHE B 404 ASP B 413 -1 O PHE B 404 N PHE B 372 SHEET 4 I 4 VAL B 397 LEU B 398 -1 O VAL B 397 N PHE B 405 SHEET 1 J 4 GLN B 386 PRO B 387 0 SHEET 2 J 4 ALA B 378 SER B 383 -1 N SER B 383 O GLN B 386 SHEET 3 J 4 PHE B 423 MET B 428 -1 O SER B 424 N GLU B 382 SHEET 4 J 4 TYR B 436 LEU B 441 -1 O THR B 437 N VAL B 427 SHEET 1 K 3 VAL C 9 GLU C 13 0 SHEET 2 K 3 VAL C 25 GLN C 30 -1 O THR C 26 N GLU C 13 SHEET 3 K 3 SER C 55 ILE C 58 -1 O TYR C 56 N LEU C 27 SHEET 1 L 5 SER C 18 LEU C 20 0 SHEET 2 L 5 GLN C 83 HIS C 87 1 O GLU C 85 N VAL C 19 SHEET 3 L 5 GLY C 67 GLN C 72 -1 O GLY C 67 N LEU C 84 SHEET 4 L 5 GLN C 41 HIS C 44 -1 N GLN C 41 O GLN C 72 SHEET 5 L 5 SER C 47 ILE C 49 -1 O SER C 47 N HIS C 44 SHEET 1 M 3 LEU C 91 GLN C 94 0 SHEET 2 M 3 ILE C 106 SER C 112 -1 O ARG C 109 N GLN C 94 SHEET 3 M 3 ASP C 138 ILE C 141 -1 N PHE C 139 O LEU C 108 SHEET 1 N 4 ASP C 129 HIS C 135 0 SHEET 2 N 4 LEU C 118 GLN C 125 -1 N LYS C 120 O HIS C 134 SHEET 3 N 4 GLY C 150 VAL C 158 -1 O PHE C 153 N LEU C 124 SHEET 4 N 4 LYS C 161 SER C 164 -1 O LYS C 161 N VAL C 158 SHEET 1 O 4 ASP C 129 HIS C 135 0 SHEET 2 O 4 LEU C 118 GLN C 125 -1 N LYS C 120 O HIS C 134 SHEET 3 O 4 GLY C 150 VAL C 158 -1 O PHE C 153 N LEU C 124 SHEET 4 O 4 VAL C 168 ILE C 170 -1 O VAL C 168 N TYR C 152 SSBOND 1 CYS A 261 CYS A 321 SSBOND 2 CYS A 367 CYS A 425 SSBOND 3 CYS B 261 CYS B 321 SSBOND 4 CYS B 367 CYS B 425 SSBOND 5 CYS C 29 CYS C 71 SSBOND 6 CYS C 110 CYS C 154 LINK ND2 ASN A 297 C1 NDG D 1 LINK ND2 ASN B 297 C1 NAG E 1 LINK O4 NDG D 1 C1 NAG D 2 LINK O6 NDG D 1 C1 MAN D 9 LINK O4 NAG D 2 C1 BMA D 3 LINK O3 BMA D 3 C1 BMA D 4 LINK O6 BMA D 3 C1 MAN D 5 LINK O2 MAN D 5 C1 NDG D 6 LINK O6 NDG D 6 C1 MAN D 8 LINK O4 NAG E 1 C1 NAG E 2 LINK O6 NAG E 1 C1 FUL E 8 LINK O4 NAG E 2 C1 BMA E 3 LINK O3 BMA E 3 C1 BMA E 4 LINK O6 BMA E 3 C1 BMA E 5 LINK O6 BMA E 4 C1 BMA E 7 LINK O6 BMA E 5 C1 BMA E 6 CISPEP 1 TYR A 373 PRO A 374 0 0.17 CISPEP 2 TYR B 373 PRO B 374 0 -0.56 CISPEP 3 GLU C 13 PRO C 14 0 -4.71 CRYST1 73.846 102.385 123.069 90.00 90.00 90.00 P 21 21 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 0.013542 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009767 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008126 0.00000