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 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 MASTER 379 0 1 3 8 0 2 6 0 0 0 14 END