HEADER IMMUNE SYSTEM 14-MAR-02 1L6X TITLE FC FRAGMENT OF RITUXIMAB BOUND TO A MINIMIZED VERSION OF THE B-DOMAIN TITLE 2 FROM PROTEIN A CALLED Z34C COMPND MOL_ID: 1; COMPND 2 MOLECULE: IMMUNOGLOBULIN GAMMA-1 HEAVY CHAIN CONSTANT REGION; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: FC FRAGMENT, RESIDUES 119-325; COMPND 5 SYNONYM: RITUXIMAB IGG1 FC FRAGMENT; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: MINIMIZED B-DOMAIN OF PROTEIN A Z34C; COMPND 9 CHAIN: B; COMPND 10 FRAGMENT: ENGINEERED PEPTIDE, RESIDUES 6-39; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 6 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 10029; SOURCE 8 EXPRESSION_SYSTEM_CELL: OVARY; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 MOL_ID: 2; SOURCE 11 SYNTHETIC: YES; SOURCE 12 OTHER_DETAILS: PHAGE OPTIMIZED SEQUENCE FROM THE B-DOMAIN OF PROTEIN SOURCE 13 A STAPHYLOCOCCUS AUREUS. PEPTIDE PREPARED USING N-FLUORENYL- SOURCE 14 METHOXYCARBONYL CHEMISTRY ON WANG RESIN. KEYWDS IGG1 FC, PROTEIN A, FC COMPLEX, B-DOMAIN, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR E.E.IDUSOGIE,L.G.PRESTA,H.SANTORO-GAZZANO,K.TOTPAL,P.Y.WONG,M.ULTSCH, AUTHOR 2 Y.G.MENG,M.G.MULLKERRIN REVDAT 7 16-OCT-24 1L6X 1 REMARK REVDAT 6 16-AUG-23 1L6X 1 REMARK HETSYN REVDAT 5 29-JUL-20 1L6X 1 COMPND REMARK HETNAM LINK REVDAT 5 2 1 SITE ATOM REVDAT 4 13-JUL-11 1L6X 1 VERSN REVDAT 3 24-FEB-09 1L6X 1 VERSN REVDAT 2 01-APR-03 1L6X 1 JRNL REVDAT 1 10-APR-02 1L6X 0 JRNL AUTH E.E.IDUSOGIE,L.G.PRESTA,H.GAZZANO-SANTORO,K.TOTPAL,P.Y.WONG, JRNL AUTH 2 M.ULTSCH,Y.G.MENG,M.G.MULKERRIN JRNL TITL MAPPING OF THE C1Q BINDING SITE ON RITUXAN, A CHIMERIC JRNL TITL 2 ANTIBODY WITH A HUMAN IGG1 FC. JRNL REF J.IMMUNOL. V. 164 4178 2000 JRNL REFN ISSN 0022-1767 JRNL PMID 10754313 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH E.E.IDUSOGIE,P.Y.WONG,L.G.PRESTA,H.SANTORO-GAZZANO,K.TOTPAL, REMARK 1 AUTH 2 M.ULTSCH,M.G.MULLKERRIN REMARK 1 TITL ENGINEERED ANTIBODIES WITH INCREASED ACTIVITY TO RECRUIT REMARK 1 TITL 2 COMPLEMENT REMARK 1 REF J.IMMUNOL. V. 166 2571 2001 REMARK 1 REFN ISSN 0022-1767 REMARK 1 REFERENCE 2 REMARK 1 AUTH W.L.MARTIN,A.P.WEST JR.,L.GAN,P.J.BJORKMAN REMARK 1 TITL CRYSTAL STRUCTURE AT 2.8A OF AN FCRN/HETERODIMERIC FC REMARK 1 TITL 2 COMPLEX: MECHANISM OF PH-DEPENDENT BINDING REMARK 1 REF MOL.CELL V. 7 867 2001 REMARK 1 REFN ISSN 1097-2765 REMARK 1 DOI 10.1016/S1097-2765(01)00230-1 REMARK 1 REFERENCE 3 REMARK 1 AUTH M.A.STAROVASNIK,A.C.BRAISTED,J.A.WELLS REMARK 1 TITL STRUCTURAL MIMICRY OF A NATIVE PROTEIN BY A MINIMIZED REMARK 1 TITL 2 BINDING DOMAIN REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 94 10080 1997 REMARK 1 REFN ISSN 0027-8424 REMARK 1 DOI 10.1073/PNAS.94.19.10080 REMARK 2 REMARK 2 RESOLUTION. 1.65 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 98.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.100 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.8 REMARK 3 NUMBER OF REFLECTIONS : 35143 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) : 0.206 REMARK 3 FREE R VALUE : 0.284 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3495 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.65 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.75 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5299 REMARK 3 BIN R VALUE (WORKING SET) : 0.2890 REMARK 3 BIN FREE R VALUE : 0.3140 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 575 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.013 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1949 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 121 REMARK 3 SOLVENT ATOMS : 360 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.20 REMARK 3 LOW RESOLUTION CUTOFF (A) : 20.0 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.25 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.14 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.800 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 3.350 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.480 ; 3.500 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.750 ; 6.500 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 6.970 ; 5.000 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 : PARAM3MOD.CHO REMARK 3 PARAMETER FILE 2 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPH3MOD.CHO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1L6X COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-MAR-02. REMARK 100 THE DEPOSITION ID IS D_1000015701. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAY-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 35573 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.650 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.4 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.03600 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 17.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.68 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.13300 REMARK 200 <I/SIGMA(I)> 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: 1.95A FC-Z34C COMPLEX COLLECTED AT CHESS. FC WAS REMARK 200 SOLVED BY MOLECULAR REPLACEMENT USING 2.8A 1FC1 DEISENHOFER 1981 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.04 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.74 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 550MME 0.1M NAOAC PH 5.5, REMARK 280 0.25M NACL, PH 6.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 45.06550 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 45.06550 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 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 27.01150 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 62.38700 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 27.01150 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 62.38700 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 45.06550 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 27.01150 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 62.38700 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 45.06550 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 27.01150 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 62.38700 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4380 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13460 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 31.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 11260 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24430 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 50.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 45.06550 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 ARG A 355 CG CD NE CZ NH1 NH2 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 O HOH A 474 O HOH A 497 1.94 REMARK 500 O HOH A 596 O HOH A 666 2.00 REMARK 500 O HOH B 64 O HOH B 101 2.05 REMARK 500 O HOH A 507 O HOH A 597 2.05 REMARK 500 O HOH A 599 O HOH A 613 2.09 REMARK 500 O HOH B 56 O HOH B 79 2.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 510 O HOH A 666 3555 2.18 REMARK 500 O HOH A 604 O HOH B 68 8456 2.18 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 TYR A 296 -19.14 -48.31 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1DN2 RELATED DB: PDB REMARK 900 FC FRAGMENT OF HUMAN IGG1 IN COMPLEX WITH AN ENGINEERED 13 RESIDUE REMARK 900 PEPTIDE DCAWHLGELVWCT-NH2 DBREF 1L6X A 237 443 GB 184747 AAC82527 119 325 DBREF 1L6X B 6 39 PDB 1L6X 1L6X 6 39 SEQRES 1 A 207 GLY PRO SER VAL PHE LEU PHE PRO PRO LYS PRO LYS ASP SEQRES 2 A 207 THR LEU MET ILE SER ARG THR PRO GLU VAL THR CYS VAL SEQRES 3 A 207 VAL VAL ASP VAL SER HIS GLU ASP PRO GLU VAL LYS PHE SEQRES 4 A 207 ASN TRP TYR VAL ASP GLY VAL GLU VAL HIS ASN ALA LYS SEQRES 5 A 207 THR LYS PRO ARG GLU GLU GLN TYR ASN SER THR TYR ARG SEQRES 6 A 207 VAL VAL SER VAL LEU THR VAL LEU HIS GLN ASP TRP LEU SEQRES 7 A 207 ASN GLY LYS GLU TYR LYS CYS LYS VAL SER ASN LYS ALA SEQRES 8 A 207 LEU PRO ALA PRO ILE GLU LYS THR ILE SER LYS ALA LYS SEQRES 9 A 207 GLY GLN PRO ARG GLU PRO GLN VAL TYR THR LEU PRO PRO SEQRES 10 A 207 SER ARG ASP GLU LEU THR LYS ASN GLN VAL SER LEU THR SEQRES 11 A 207 CYS LEU VAL LYS GLY PHE TYR PRO SER ASP ILE ALA VAL SEQRES 12 A 207 GLU TRP GLU SER ASN GLY GLN PRO GLU ASN ASN TYR LYS SEQRES 13 A 207 THR THR PRO PRO VAL LEU ASP SER ASP GLY SER PHE PHE SEQRES 14 A 207 LEU TYR SER LYS LEU THR VAL ASP LYS SER ARG TRP GLN SEQRES 15 A 207 GLN GLY ASN VAL PHE SER CYS SER VAL MET HIS GLU ALA SEQRES 16 A 207 LEU HIS ASN HIS TYR THR GLN LYS SER LEU SER LEU SEQRES 1 B 34 PHE ASN MET GLN CYS GLN ARG ARG PHE TYR GLU ALA LEU SEQRES 2 B 34 HIS ASP PRO ASN LEU ASN GLU GLU GLN ARG ASN ALA LYS SEQRES 3 B 34 ILE LYS SER ILE ARG ASP ASP CYS MODRES 1L6X ASN A 297 ASN GLYCOSYLATION SITE HET NAG C 1 14 HET NAG C 2 14 HET BMA C 3 11 HET MAN C 4 11 HET NAG C 5 14 HET GAL C 6 11 HET MAN C 7 11 HET NAG C 8 14 HET GAL C 9 11 HET FUL C 10 10 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 FUL BETA-L-FUCOPYRANOSE 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 BMA BETA-D-MANNOSE; D-MANNOSE; MANNOSE HETSYN MAN ALPHA-D-MANNOSE; D-MANNOSE; MANNOSE HETSYN GAL BETA-D-GALACTOSE; D-GALACTOSE; GALACTOSE HETSYN FUL BETA-L-FUCOSE; 6-DEOXY-BETA-L-GALACTOPYRANOSE; L- HETSYN 2 FUL FUCOSE; FUCOSE; 6-DEOXY-BETA-L-GALACTOSE FORMUL 3 NAG 4(C8 H15 N O6) FORMUL 3 BMA C6 H12 O6 FORMUL 3 MAN 2(C6 H12 O6) FORMUL 3 GAL 2(C6 H12 O6) FORMUL 3 FUL C6 H12 O5 FORMUL 4 HOH *360(H2 O) HELIX 1 1 LYS A 246 MET A 252 1 7 HELIX 2 2 LEU A 309 ASN A 315 1 7 HELIX 3 3 SER A 354 LYS A 360 5 7 HELIX 4 4 LYS A 414 GLN A 419 1 6 HELIX 5 5 LEU A 432 TYR A 436 5 5 HELIX 6 6 ASN B 7 ASP B 20 1 14 HELIX 7 7 ASN B 24 ASP B 38 1 15 SHEET 1 A 4 SER A 239 PHE A 243 0 SHEET 2 A 4 GLU A 258 VAL A 266 -1 O VAL A 262 N PHE A 241 SHEET 3 A 4 TYR A 300 THR A 307 -1 O TYR A 300 N VAL A 266 SHEET 4 A 4 LYS A 288 THR A 289 -1 N LYS A 288 O VAL A 305 SHEET 1 B 4 SER A 239 PHE A 243 0 SHEET 2 B 4 GLU A 258 VAL A 266 -1 O VAL A 262 N PHE A 241 SHEET 3 B 4 TYR A 300 THR A 307 -1 O TYR A 300 N VAL A 266 SHEET 4 B 4 GLU A 293 GLU A 294 -1 N GLU A 293 O ARG A 301 SHEET 1 C 4 VAL A 282 VAL A 284 0 SHEET 2 C 4 LYS A 274 VAL A 279 -1 N TRP A 277 O VAL A 284 SHEET 3 C 4 TYR A 319 SER A 324 -1 O LYS A 322 N ASN A 276 SHEET 4 C 4 ILE A 332 ILE A 336 -1 O LYS A 334 N CYS A 321 SHEET 1 D 4 GLN A 347 LEU A 351 0 SHEET 2 D 4 GLN A 362 PHE A 372 -1 O LEU A 368 N TYR A 349 SHEET 3 D 4 PHE A 404 ASP A 413 -1 O LEU A 410 N LEU A 365 SHEET 4 D 4 TYR A 391 THR A 393 -1 N LYS A 392 O LYS A 409 SHEET 1 E 4 GLN A 347 LEU A 351 0 SHEET 2 E 4 GLN A 362 PHE A 372 -1 O LEU A 368 N TYR A 349 SHEET 3 E 4 PHE A 404 ASP A 413 -1 O LEU A 410 N LEU A 365 SHEET 4 E 4 VAL A 397 LEU A 398 -1 N VAL A 397 O PHE A 405 SHEET 1 F 4 GLN A 386 GLU A 388 0 SHEET 2 F 4 ALA A 378 SER A 383 -1 N SER A 383 O GLN A 386 SHEET 3 F 4 PHE A 423 MET A 428 -1 O SER A 426 N GLU A 380 SHEET 4 F 4 THR A 437 LEU A 441 -1 O THR A 437 N VAL A 427 SSBOND 1 CYS A 261 CYS A 321 1555 1555 2.02 SSBOND 2 CYS A 367 CYS A 425 1555 1555 2.04 SSBOND 3 CYS B 10 CYS B 39 1555 1555 2.03 LINK ND2 ASN A 297 C1 NAG C 1 1555 1555 1.46 LINK O4 NAG C 1 C1 NAG C 2 1555 1555 1.39 LINK O6 NAG C 1 C1 FUL C 10 1555 1555 1.41 LINK O4 NAG C 2 C1 BMA C 3 1555 1555 1.39 LINK O3 BMA C 3 C1 MAN C 4 1555 1555 1.39 LINK O6 BMA C 3 C1 MAN C 7 1555 1555 1.40 LINK O2 MAN C 4 C1 NAG C 5 1555 1555 1.38 LINK O4 NAG C 5 C1 GAL C 6 1555 1555 1.39 LINK O2 MAN C 7 C1 NAG C 8 1555 1555 1.38 LINK O4 NAG C 8 C1 GAL C 9 1555 1555 1.39 CISPEP 1 TYR A 373 PRO A 374 0 -0.23 CRYST1 54.023 124.774 90.131 90.00 90.00 90.00 C 2 2 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 0.018511 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008014 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011095 0.00000