HEADER IMMUNOGLOBULIN 11-NOV-99 1QOK TITLE MFE-23 AN ANTI-CARCINOEMBRYONIC ANTIGEN SINGLE-CHAIN FV ANTIBODY COMPND MOL_ID: 1; COMPND 2 MOLECULE: MFE-23 RECOMBINANT ANTIBODY FRAGMENT; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: SINGLE-CHAIN FV; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: ANTI-CARCINOEMBRYONIC ANTIGEN SINGLE-CHAIN FRAGMENT COMPND 7 CONTAINING AN N-TERMINAL VH DOMAIN LINKED BY A 3 (4GLY-SER) LINKER TO COMPND 8 A VL DOMAIN AND A C-TERMINAL MYC TAG SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_CELLULAR_LOCATION: EXTRACELLULAR; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PUC119 KEYWDS IMMUNOGLOBULIN, SINGLE-CHAIN FV, ANTI-CARCINOEMBRYONIC ANTIGEN EXPDTA X-RAY DIFFRACTION AUTHOR M.K.BOEHM,A.L.CORPER,T.WAN,M.K.SOHI,B.J.SUTTON,J.D.THORNTON,P.A.KEEP, AUTHOR 2 K.A.CHESTER,R.H.J.BEGENT,S.J.PERKINS REVDAT 7 13-DEC-23 1QOK 1 REMARK REVDAT 6 25-SEP-19 1QOK 1 REMARK REVDAT 5 29-MAY-19 1QOK 1 REMARK REVDAT 4 08-MAY-19 1QOK 1 REMARK REVDAT 3 05-JUL-17 1QOK 1 REMARK REVDAT 2 24-FEB-09 1QOK 1 VERSN REVDAT 1 10-NOV-00 1QOK 0 JRNL AUTH M.K.BOEHM,A.L.CORPER,T.WAN,M.K.SOHI,B.J.SUTTON,J.D.THORNTON, JRNL AUTH 2 P.A.KEEP,K.A.CHESTER,R.H.J.BEGENT,S.J.PERKINS JRNL TITL CRYSTAL STRUCTURE OF THE ANTI-CARCINOEMBRYONIC ANTIGEN JRNL TITL 2 SINGLE-CHAIN FV ANTIBODY MFE-23 AND A MODEL FOR ANTIGEN JRNL TITL 3 BINDING BASED ON INTERMOLECULAR CONTACTS JRNL REF BIOCHEM.J. V. 346 519 2000 JRNL REFN ISSN 0264-6021 JRNL PMID 10677374 JRNL DOI 10.1042/0264-6021:3460519 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 11509 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT EXCEPT FOR FINAL REMARK 3 REFINEMENT CYCLE REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.205 REMARK 3 FREE R VALUE : 0.267 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.100 REMARK 3 FREE R VALUE TEST SET COUNT : 933 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.009 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.48 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1007 REMARK 3 BIN R VALUE (WORKING SET) : 0.3250 REMARK 3 BIN FREE R VALUE : 0.4000 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 7.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 85 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.043 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1731 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 96 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 30.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.10 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.680 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 28.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.320 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 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 : PARAM19X.PRO REMARK 3 PARAMETER FILE 2 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPH19X.PRO REMARK 3 TOPOLOGY FILE 2 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: IN THE FINAL REFINEMENT CYCLE, THE REMARK 3 WORKING AND TEST SETS WERE MERGED. AFTER THIS REFINEMENT, THE REMARK 3 MODEL HAD AN R-FACTOR OF 19.0% AGAINST ALL REFLECTIONS BETWEEN REMARK 3 8.0 AND 2.4 ANGSTROMS.. REMARK 4 REMARK 4 1QOK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 11-NOV-99. REMARK 100 THE DEPOSITION ID IS D_1290001387. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAR-94 REMARK 200 TEMPERATURE (KELVIN) : 291.0 REMARK 200 PH : 6.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : R-AXIS II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : CCP4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11539 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : 0.08200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 4.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.53 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.10 REMARK 200 R MERGE FOR SHELL (I) : 0.18900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: 2FBJ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALS WERE GROWN BY THE HANGING REMARK 280 -DROP VAPOUR DIFFUSION METHOD AT 18 DEGREES (CELSIUS). PROTEIN REMARK 280 SOLUTION (2 MG/ML) WAS MIXED 1:1 WITH 100 MM TRIS-HCL (PH6.5) REMARK 280 CONTAINING 45% SATURATED AMMONIUM SULPHATE. A 10 UL DROPLET OF REMARK 280 THIS MIXTURE WAS EQULIBRATED AGAINST 0.5 ML 100 MM TRIS-HCL REMARK 280 (PH6.5) IN 45% AMMONIUM SULPHATE., PH 6.50, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 85.33333 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 42.66667 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 42.66667 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 85.33333 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 400 REMARK 400 COMPOUND REMARK 400 SUBDIVISION OF CHAIN: A REMARK 400 (C=CHAIN IDENTIFIER; RES1=START RESIDUE; REMARK 400 RES1=END RESIDUE;A=ALT CHAIN IDENTIFIER) REMARK 400 REMARK 400 C RES1 RES2 A REMARK 400 A 27 146 H IMMUNOGLOBULIN VH FRAGMENT REMARK 400 A 147 161 LINKER REMARK 400 A 162 270 L IMMUNOGLOBULIN VL FRAGMENT REMARK 400 A 271 282 C-TERMINAL MYC TAG 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 GLU A 1 REMARK 465 THR A 2 REMARK 465 VAL A 3 REMARK 465 ILE A 4 REMARK 465 MET A 5 REMARK 465 LYS A 6 REMARK 465 TYR A 7 REMARK 465 LEU A 8 REMARK 465 LEU A 9 REMARK 465 PRO A 10 REMARK 465 THR A 11 REMARK 465 ALA A 12 REMARK 465 ALA A 13 REMARK 465 ALA A 14 REMARK 465 GLY A 15 REMARK 465 LEU A 16 REMARK 465 LEU A 17 REMARK 465 LEU A 18 REMARK 465 LEU A 19 REMARK 465 ALA A 20 REMARK 465 ALA A 21 REMARK 465 GLN A 22 REMARK 465 PRO A 23 REMARK 465 ALA A 24 REMARK 465 MET A 25 REMARK 465 ALA A 26 REMARK 465 GLY A 148 REMARK 465 GLY A 149 REMARK 465 GLY A 150 REMARK 465 SER A 151 REMARK 465 GLY A 152 REMARK 465 GLY A 153 REMARK 465 GLY A 154 REMARK 465 GLY A 155 REMARK 465 SER A 156 REMARK 465 GLY A 157 REMARK 465 GLY A 158 REMARK 465 GLY A 159 REMARK 465 GLY A 160 REMARK 465 SER A 161 REMARK 465 ARG A 268 REMARK 465 ALA A 269 REMARK 465 ALA A 270 REMARK 465 ALA A 271 REMARK 465 GLU A 272 REMARK 465 GLN A 273 REMARK 465 LYS A 274 REMARK 465 LEU A 275 REMARK 465 ILE A 276 REMARK 465 SER A 277 REMARK 465 GLU A 278 REMARK 465 GLU A 279 REMARK 465 ASP A 280 REMARK 465 LEU A 281 REMARK 465 ASN A 282 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 GLY A 147 CA C O REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 GLY A 147 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 GLN A 27 N CB CG CD OE1 NE2 REMARK 480 LYS A 29 CD CE NZ REMARK 480 GLN A 31 CD OE1 NE2 REMARK 480 ASN A 54 OD1 ND2 REMARK 480 LYS A 56 CE NZ REMARK 480 GLU A 68 CD OE1 OE2 REMARK 480 GLN A 69 CG CD OE1 NE2 REMARK 480 GLN A 91 CG CD OE1 NE2 REMARK 480 LYS A 93 NZ REMARK 480 SER A 101 CB OG REMARK 480 GLU A 115 CD OE1 OE2 REMARK 480 SER A 146 O CB OG REMARK 480 LYS A 205 NZ REMARK 480 SER A 216 OG REMARK 480 LYS A 267 O 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 OD2 ASP A 57 O HOH A 2011 2.19 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 ALA A 35 151.71 -49.13 REMARK 500 SER A 58 -150.17 -159.12 REMARK 500 LEU A 112 152.86 -48.90 REMARK 500 ALA A 118 -177.02 -175.93 REMARK 500 THR A 211 -46.25 69.85 REMARK 500 ALA A 244 -170.37 -178.35 REMARK 500 REMARK 500 REMARK: NULL REMARK 999 REMARK 999 SEQUENCE REMARK 999 MFE-23 IS A RECOMBINANT PROTEIN THAT WAS PRODUCED FROM THE REMARK 999 RANDOM COMBINATION OF A MOUSE VH AND VL IMMUNOGLOBULIN REMARK 999 DOMAINS IN A PHAGE DISPLAY LIBRARY. REMARK 999 THE SEQUENCE IS PUBLISHED IN INTERNATIONAL PATENT REMARK 999 APPLICATION PCT/GB94/02658. DBREF 1QOK A 1 270 GB 2299568 A45006 1 270 DBREF 1QOK A 271 282 PDB 1QOK 1QOK 271 282 SEQRES 1 A 282 GLU THR VAL ILE MET LYS TYR LEU LEU PRO THR ALA ALA SEQRES 2 A 282 ALA GLY LEU LEU LEU LEU ALA ALA GLN PRO ALA MET ALA SEQRES 3 A 282 GLN VAL LYS LEU GLN GLN SER GLY ALA GLU LEU VAL ARG SEQRES 4 A 282 SER GLY THR SER VAL LYS LEU SER CYS THR ALA SER GLY SEQRES 5 A 282 PHE ASN ILE LYS ASP SER TYR MET HIS TRP LEU ARG GLN SEQRES 6 A 282 GLY PRO GLU GLN GLY LEU GLU TRP ILE GLY TRP ILE ASP SEQRES 7 A 282 PRO GLU ASN GLY ASP THR GLU TYR ALA PRO LYS PHE GLN SEQRES 8 A 282 GLY LYS ALA THR PHE THR THR ASP THR SER SER ASN THR SEQRES 9 A 282 ALA TYR LEU GLN LEU SER SER LEU THR SER GLU ASP THR SEQRES 10 A 282 ALA VAL TYR TYR CYS ASN GLU GLY THR PRO THR GLY PRO SEQRES 11 A 282 TYR TYR PHE ASP TYR TRP GLY GLN GLY THR THR VAL THR SEQRES 12 A 282 VAL SER SER GLY GLY GLY GLY SER GLY GLY GLY GLY SER SEQRES 13 A 282 GLY GLY GLY GLY SER GLU ASN VAL LEU THR GLN SER PRO SEQRES 14 A 282 ALA ILE MET SER ALA SER PRO GLY GLU LYS VAL THR ILE SEQRES 15 A 282 THR CYS SER ALA SER SER SER VAL SER TYR MET HIS TRP SEQRES 16 A 282 PHE GLN GLN LYS PRO GLY THR SER PRO LYS LEU TRP ILE SEQRES 17 A 282 TYR SER THR SER ASN LEU ALA SER GLY VAL PRO ALA ARG SEQRES 18 A 282 PHE SER GLY SER GLY SER GLY THR SER TYR SER LEU THR SEQRES 19 A 282 ILE SER ARG MET GLU ALA GLU ASP ALA ALA THR TYR TYR SEQRES 20 A 282 CYS GLN GLN ARG SER SER TYR PRO LEU THR PHE GLY ALA SEQRES 21 A 282 GLY THR LYS LEU GLU LEU LYS ARG ALA ALA ALA GLU GLN SEQRES 22 A 282 LYS LEU ILE SER GLU GLU ASP LEU ASN FORMUL 2 HOH *96(H2 O) HELIX 1 1 ASN A 54 SER A 58 5 5 HELIX 2 2 PRO A 88 PHE A 90 5 3 HELIX 3 3 THR A 113 THR A 117 5 5 HELIX 4 4 GLU A 239 ALA A 243 5 5 SHEET 1 A 4 LYS A 29 GLN A 32 0 SHEET 2 A 4 VAL A 44 SER A 51 -1 N SER A 51 O LYS A 29 SHEET 3 A 4 THR A 104 LEU A 109 -1 N LEU A 109 O VAL A 44 SHEET 4 A 4 ALA A 94 ASP A 99 -1 N ASP A 99 O THR A 104 SHEET 1 B 6 GLU A 36 ARG A 39 0 SHEET 2 B 6 THR A 140 SER A 145 1 N THR A 143 O GLU A 36 SHEET 3 B 6 ALA A 118 ASN A 123 -1 N TYR A 120 O THR A 140 SHEET 4 B 6 TYR A 59 GLN A 65 -1 N GLN A 65 O VAL A 119 SHEET 5 B 6 LEU A 71 ASP A 78 -1 N ILE A 77 O MET A 60 SHEET 6 B 6 ASP A 83 TYR A 86 -1 N GLU A 85 O TRP A 76 SHEET 1 C 2 ASN A 123 GLY A 125 0 SHEET 2 C 2 ASP A 134 TRP A 136 -1 N TYR A 135 O GLU A 124 SHEET 1 D 4 LEU A 165 SER A 168 0 SHEET 2 D 4 VAL A 180 ALA A 186 -1 N SER A 185 O THR A 166 SHEET 3 D 4 SER A 230 ILE A 235 -1 N ILE A 235 O VAL A 180 SHEET 4 D 4 PHE A 222 SER A 227 -1 N SER A 227 O SER A 230 SHEET 1 E 5 ILE A 171 ALA A 174 0 SHEET 2 E 5 THR A 262 LEU A 266 1 N LYS A 263 O MET A 172 SHEET 3 E 5 ALA A 244 GLN A 249 -1 N TYR A 246 O THR A 262 SHEET 4 E 5 HIS A 194 GLN A 198 -1 N GLN A 198 O THR A 245 SHEET 5 E 5 LYS A 205 ILE A 208 -1 N ILE A 208 O TRP A 195 SSBOND 1 CYS A 48 CYS A 122 1555 1555 2.01 SSBOND 2 CYS A 184 CYS A 248 1555 1555 2.02 CISPEP 1 SER A 168 PRO A 169 0 -2.03 CISPEP 2 TYR A 254 PRO A 255 0 -1.41 CRYST1 61.700 61.700 128.000 90.00 90.00 120.00 P 32 2 1 6 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 0.016207 0.009357 0.000000 0.00000 SCALE2 0.000000 0.018715 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007812 0.00000