HEADER IMMUNE SYSTEM 19-MAY-06 2H2T TITLE CD23 LECTIN DOMAIN, CALCIUM 2+-BOUND COMPND MOL_ID: 1; COMPND 2 MOLECULE: LOW AFFINITY IMMUNOGLOBULIN EPSILON FC RECEPTOR (LYMPHOCYTE COMPND 3 IGE RECEPTOR) (FC-EPSILON-RII) (IMMUNOGLOBULIN E-BINDING FACTOR) COMPND 4 (CD23 ANTIGEN); COMPND 5 CHAIN: B; COMPND 6 FRAGMENT: LECTIN DOMAIN; COMPND 7 ENGINEERED: YES; COMPND 8 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: FCER2; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: SF+; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: RECOMBINANT BACULOVIRUS; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PBACGUS-3 KEYWDS C-TYPE LECTIN, CALCIUM-BOUND, LECTIN DOMAIN, LOW AFFINITY IGE KEYWDS 2 RECEPTOR, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR B.A.WURZBURG REVDAT 6 30-AUG-23 2H2T 1 REMARK REVDAT 5 20-OCT-21 2H2T 1 REMARK SEQADV REVDAT 4 18-OCT-17 2H2T 1 REMARK REVDAT 3 05-OCT-11 2H2T 1 LINK VERSN REVDAT 2 24-FEB-09 2H2T 1 VERSN REVDAT 1 20-JUN-06 2H2T 0 JRNL AUTH B.A.WURZBURG,S.S.TARCHEVSKAYA,T.S.JARDETZKY JRNL TITL STRUCTURAL CHANGES IN THE LECTIN DOMAIN OF CD23, THE JRNL TITL 2 LOW-AFFINITY IGE RECEPTOR, UPON CALCIUM BINDING. JRNL REF STRUCTURE V. 14 1049 2006 JRNL REFN ISSN 0969-2126 JRNL PMID 16765898 JRNL DOI 10.1016/J.STR.2006.03.017 REMARK 2 REMARK 2 RESOLUTION. 1.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 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) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.63 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 28870 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : THIN SHELLS REMARK 3 R VALUE (WORKING + TEST SET) : 0.170 REMARK 3 R VALUE (WORKING SET) : 0.168 REMARK 3 FREE R VALUE : 0.200 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1561 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) : 1.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.33 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2134 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.2920 REMARK 3 BIN FREE R VALUE SET COUNT : 77 REMARK 3 BIN FREE R VALUE : 0.3900 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1001 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 157 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.74 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.87 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.52000 REMARK 3 B22 (A**2) : -0.56000 REMARK 3 B33 (A**2) : 0.04000 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): 0.057 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.054 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.027 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.370 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.963 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.955 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1058 ; 0.017 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 894 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1435 ; 1.658 ; 1.906 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2085 ; 2.527 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 128 ; 6.723 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 55 ;30.961 ;23.091 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 173 ;11.692 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 9 ;17.542 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 139 ; 0.099 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1193 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 241 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 213 ; 0.236 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 951 ; 0.222 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 501 ; 0.194 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 597 ; 0.087 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 102 ; 0.203 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): 1 ; 0.251 ; 0.200 REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 3 ; 0.031 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 11 ; 0.227 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 35 ; 0.400 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 13 ; 0.237 ; 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): 643 ; 4.997 ; 3.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 264 ; 3.363 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 994 ; 5.828 ; 4.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 502 ; 6.069 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 438 ; 7.473 ; 4.000 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): 2315 ; 3.762 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 155 ;18.203 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 1917 ; 7.900 ; 3.000 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 2H2T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-MAY-06. REMARK 100 THE DEPOSITION ID IS D_1000037858. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-MAR-04 REMARK 200 TEMPERATURE (KELVIN) : 113 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 32-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.02336 REMARK 200 MONOCHROMATOR : SI 111 REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MAR REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30523 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.300 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 7.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09000 REMARK 200 FOR THE DATA SET : 41.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.32 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 7.50 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.33800 REMARK 200 FOR SHELL : 3.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 2H2R REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 20.93 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 17% (W/V) PEG 4000, 100 MM MES BUFFER, REMARK 280 PH 6.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K 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 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 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 20.15500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 29.38400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 25.63050 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 29.38400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 20.15500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 25.63050 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 1 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 300 ACCORDING TO AUTHORS, INTACT HUMAN CD23 IS THOUGHT REMARK 300 TO FORM A TRIMER, HOWEVER, THE EXACT RELATIONSHIP REMARK 300 OF THE LECTIN DOMAINS IN THE MULTIMER IS NOT CURRENTLY REMARK 300 KNOWN 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: 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 SER B 147 REMARK 465 PRO B 148 REMARK 465 GLY B 149 REMARK 465 MET B 150 REMARK 465 GLU B 151 REMARK 465 LEU B 152 REMARK 465 GLN B 153 REMARK 465 VAL B 154 REMARK 465 SER B 155 REMARK 465 SER B 156 REMARK 465 GLY B 157 REMARK 465 PHE B 158 REMARK 465 VAL B 159 REMARK 465 ARG B 253 REMARK 465 SER B 254 REMARK 465 GLN B 255 REMARK 465 SER B 256 REMARK 465 GLU B 257 REMARK 465 THR B 289 REMARK 465 PRO B 290 REMARK 465 PRO B 291 REMARK 465 ALA B 292 REMARK 465 SER B 293 REMARK 465 GLU B 294 REMARK 465 GLY B 295 REMARK 465 SER B 296 REMARK 465 ALA B 297 REMARK 465 GLU B 298 REMARK 465 SER B 299 REMARK 465 MET B 300 REMARK 465 GLY B 301 REMARK 465 PRO B 302 REMARK 465 ASP B 303 REMARK 465 SER B 304 REMARK 465 ARG B 305 REMARK 465 PRO B 306 REMARK 465 ASP B 307 REMARK 465 PRO B 308 REMARK 465 ASP B 309 REMARK 465 GLY B 310 REMARK 465 ARG B 311 REMARK 465 LEU B 312 REMARK 465 PRO B 313 REMARK 465 THR B 314 REMARK 465 PRO B 315 REMARK 465 SER B 316 REMARK 465 ALA B 317 REMARK 465 PRO B 318 REMARK 465 LEU B 319 REMARK 465 HIS B 320 REMARK 465 SER B 321 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 OD1 ASP B 208 O HOH B 421 1.77 REMARK 500 N ASP B 258 O HOH B 440 2.14 REMARK 500 REMARK 500 REMARK: NULL 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),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 TRP B 280 CB TRP B 280 CG 0.109 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 LYS B 166 -9.49 82.58 REMARK 500 GLN B 171 -127.63 52.13 REMARK 500 ASP B 227 28.29 45.16 REMARK 500 LEU B 228 29.28 36.52 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 322 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 249 OE1 REMARK 620 2 THR B 251 OG1 89.6 REMARK 620 3 ASN B 269 OD1 71.1 157.4 REMARK 620 4 ASP B 270 O 121.8 127.4 74.3 REMARK 620 5 ASP B 270 OD2 72.4 79.1 105.1 73.4 REMARK 620 6 HOH B 323 O 87.2 86.6 80.9 131.0 155.0 REMARK 620 7 HOH B 324 O 162.5 77.2 118.8 75.6 115.3 80.7 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 322 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2H2R RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE HUMAN CD23 LECTIN DOMAIN, APO FORM REMARK 900 RELATED ID: 1T8C RELATED DB: PDB REMARK 900 NMR STRUCTURE OF THE HUMAN CD23 LECTIN DOMAIN (DER P I FRAGMENT) REMARK 900 RELATED ID: 1T8D RELATED DB: PDB REMARK 900 NMR STRUCTURE OF THE HUMAN CD23 LECTIN DOMAIN (DER P I FRAGMENT) REMARK 900 RELATED ID: 1KJE RELATED DB: PDB REMARK 900 MODEL OF THE HUMAN CD23 LECTIN DOMAIN REMARK 900 RELATED ID: 1HLJ RELATED DB: PDB REMARK 900 MODEL OF THE HUMAN CD23 LECTIN DOMAIN DBREF 2H2T B 150 321 UNP P06734 FCER2_HUMAN 150 321 SEQADV 2H2T SER B 147 UNP P06734 CLONING ARTIFACT SEQADV 2H2T PRO B 148 UNP P06734 CLONING ARTIFACT SEQADV 2H2T GLY B 149 UNP P06734 CLONING ARTIFACT SEQADV 2H2T ARG B 213 UNP P06734 HIS 213 ENGINEERED MUTATION SEQADV 2H2T SER B 256 UNP P06734 GLY 256 ENGINEERED MUTATION SEQRES 1 B 175 SER PRO GLY MET GLU LEU GLN VAL SER SER GLY PHE VAL SEQRES 2 B 175 CYS ASN THR CYS PRO GLU LYS TRP ILE ASN PHE GLN ARG SEQRES 3 B 175 LYS CYS TYR TYR PHE GLY LYS GLY THR LYS GLN TRP VAL SEQRES 4 B 175 HIS ALA ARG TYR ALA CYS ASP ASP MET GLU GLY GLN LEU SEQRES 5 B 175 VAL SER ILE HIS SER PRO GLU GLU GLN ASP PHE LEU THR SEQRES 6 B 175 LYS ARG ALA SER HIS THR GLY SER TRP ILE GLY LEU ARG SEQRES 7 B 175 ASN LEU ASP LEU LYS GLY GLU PHE ILE TRP VAL ASP GLY SEQRES 8 B 175 SER HIS VAL ASP TYR SER ASN TRP ALA PRO GLY GLU PRO SEQRES 9 B 175 THR SER ARG SER GLN SER GLU ASP CYS VAL MET MET ARG SEQRES 10 B 175 GLY SER GLY ARG TRP ASN ASP ALA PHE CYS ASP ARG LYS SEQRES 11 B 175 LEU GLY ALA TRP VAL CYS ASP ARG LEU ALA THR CYS THR SEQRES 12 B 175 PRO PRO ALA SER GLU GLY SER ALA GLU SER MET GLY PRO SEQRES 13 B 175 ASP SER ARG PRO ASP PRO ASP GLY ARG LEU PRO THR PRO SEQRES 14 B 175 SER ALA PRO LEU HIS SER HET CA B 322 1 HETNAM CA CALCIUM ION FORMUL 2 CA CA 2+ FORMUL 3 HOH *157(H2 O) HELIX 1 1 GLN B 183 MET B 194 1 12 HELIX 2 2 SER B 203 LYS B 212 1 10 HELIX 3 3 ASP B 227 LYS B 229 5 3 SHEET 1 A 4 ILE B 168 PHE B 170 0 SHEET 2 A 4 LYS B 173 LYS B 182 -1 O TYR B 175 N ILE B 168 SHEET 3 A 4 LEU B 277 LEU B 285 -1 O ARG B 284 N CYS B 174 SHEET 4 A 4 GLN B 197 LEU B 198 -1 N GLN B 197 O ASP B 283 SHEET 1 B 4 GLU B 231 TRP B 234 0 SHEET 2 B 4 SER B 219 LEU B 226 -1 N ARG B 224 O ILE B 233 SHEET 3 B 4 CYS B 259 MET B 262 -1 O MET B 262 N SER B 219 SHEET 4 B 4 TRP B 268 ALA B 271 -1 O ALA B 271 N CYS B 259 SSBOND 1 CYS B 160 CYS B 288 1555 1555 2.04 SSBOND 2 CYS B 163 CYS B 174 1555 1555 2.05 SSBOND 3 CYS B 191 CYS B 282 1555 1555 2.06 SSBOND 4 CYS B 259 CYS B 273 1555 1555 2.06 LINK OE1 GLU B 249 CA CA B 322 1555 1555 2.46 LINK OG1 THR B 251 CA CA B 322 1555 1555 2.52 LINK OD1 ASN B 269 CA CA B 322 1555 1555 2.37 LINK O ASP B 270 CA CA B 322 1555 1555 2.42 LINK OD2 ASP B 270 CA CA B 322 1555 1555 2.40 LINK CA CA B 322 O HOH B 323 1555 1555 2.33 LINK CA CA B 322 O HOH B 324 1555 1555 2.32 CISPEP 1 GLU B 249 PRO B 250 0 -2.16 SITE 1 AC1 6 GLU B 249 THR B 251 ASN B 269 ASP B 270 SITE 2 AC1 6 HOH B 323 HOH B 324 CRYST1 40.310 51.261 58.768 90.00 90.00 90.00 P 21 21 21 4 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 0.024808 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019508 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017016 0.00000