HEADER IMMUNE SYSTEM 04-MAY-00 1EXU TITLE CRYSTAL STRUCTURE OF THE HUMAN MHC-RELATED FC RECEPTOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: IGG RECEPTOR FCRN LARGE SUBUNIT P51; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: EXTRACELLULAR LIGAND BINDING DOMAIN; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: BETA-2-MICROGLOBULIN; COMPND 8 CHAIN: B; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 TISSUE: PLACENTA; SOURCE 6 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 7 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 10029; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PBJ5-GS; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 13 ORGANISM_COMMON: HUMAN; SOURCE 14 ORGANISM_TAXID: 9606; SOURCE 15 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 16 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER; SOURCE 17 EXPRESSION_SYSTEM_TAXID: 10029; SOURCE 18 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 19 EXPRESSION_SYSTEM_PLASMID: PBJ1 KEYWDS IMMUNOGLOBULIN BINDING PROTEIN, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR A.P.WEST JR.,P.J.BJORKMAN REVDAT 4 09-AUG-23 1EXU 1 REMARK LINK ATOM REVDAT 3 24-FEB-09 1EXU 1 VERSN REVDAT 2 01-APR-03 1EXU 1 JRNL REVDAT 1 10-AUG-00 1EXU 0 JRNL AUTH A.P.WEST JR.,P.J.BJORKMAN JRNL TITL CRYSTAL STRUCTURE AND IMMUNOGLOBULIN G BINDING PROPERTIES OF JRNL TITL 2 THE HUMAN MAJOR HISTOCOMPATIBILITY COMPLEX-RELATED FC JRNL TITL 3 RECEPTOR(,). JRNL REF BIOCHEMISTRY V. 39 9698 2000 JRNL REFN ISSN 0006-2960 JRNL PMID 10933786 JRNL DOI 10.1021/BI000749M REMARK 2 REMARK 2 RESOLUTION. 2.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.857 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1796528.740 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.8 REMARK 3 NUMBER OF REFLECTIONS : 14243 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) : 0.197 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 722 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) : 2.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.80 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1326 REMARK 3 BIN R VALUE (WORKING SET) : 0.3170 REMARK 3 BIN FREE R VALUE : 0.3770 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.70 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 65 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.047 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2756 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 47 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 55.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 55.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.64000 REMARK 3 B22 (A**2) : 4.64000 REMARK 3 B33 (A**2) : -9.28000 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) : 0.32 REMARK 3 ESD FROM SIGMAA (A) : 0.40 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.44 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.45 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 29.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.640 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) : 4.050 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 6.400 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 6.330 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 9.220 ; 2.500 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 1EXU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-MAY-00. REMARK 100 THE DEPOSITION ID IS D_1000011003. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-JUN-98 REMARK 200 TEMPERATURE (KELVIN) : 298.0 REMARK 200 PH : 8.2 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14245 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 5.600 REMARK 200 R MERGE (I) : 0.06700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 23.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : 5.60 REMARK 200 R MERGE FOR SHELL (I) : 0.30700 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: 1FRU REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.24 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.95 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, GLYCEROL, TRIS, PH REMARK 280 8.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 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 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 110.90650 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 33.19350 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 33.19350 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 166.35975 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 33.19350 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 33.19350 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 55.45325 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 33.19350 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 33.19350 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 166.35975 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 33.19350 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 33.19350 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 55.45325 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 110.90650 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS THE HETERODIMER OF CHAINS A AND REMARK 300 B GIVEN IN THIS STRUCTURE 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: 3040 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17220 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 ALA A 1 REMARK 465 GLU A 2 REMARK 465 SER A 3 REMARK 465 VAL A 52 REMARK 465 TRP A 53 REMARK 465 GLU A 54 REMARK 465 ASN A 55 REMARK 465 GLN A 56 REMARK 465 VAL A 57 REMARK 465 SER A 58 REMARK 465 TRP A 59 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 LYS A 63 CG CD CE NZ REMARK 470 LYS A 85 CG CD CE NZ REMARK 470 ARG A 164 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 168 CG CD OE1 OE2 REMARK 470 ARG A 169 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 171 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 175 CG CD OE1 OE2 REMARK 470 ASN A 215 CG OD1 ND2 REMARK 470 GLN A 223 CG CD OE1 NE2 REMARK 470 GLU B 16 CG CD OE1 OE2 REMARK 470 LYS B 19 CG CD CE NZ REMARK 470 ASN B 42 CG OD1 ND2 REMARK 470 GLU B 47 CG CD OE1 OE2 REMARK 470 LYS B 48 CG CD CE NZ REMARK 470 THR B 73 OG1 CG2 REMARK 470 GLU B 74 CG CD OE1 OE2 REMARK 470 LYS B 75 CG CD CE NZ REMARK 470 ARG B 97 CG CD NE CZ NH1 NH2 REMARK 470 ASP B 98 CG OD1 OD2 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 446 O HOH A 446 7646 0.34 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 LEU A 5 43.97 71.39 REMARK 500 TRP A 61 -21.19 57.21 REMARK 500 ASP A 101 26.31 -65.14 REMARK 500 PHE A 117 -8.47 -148.20 REMARK 500 LYS A 123 -70.67 -56.53 REMARK 500 LYS A 146 14.34 54.43 REMARK 500 PHE A 157 -59.29 -127.96 REMARK 500 SER A 189 -135.97 -125.08 REMARK 500 ASN B 17 101.40 -39.31 REMARK 500 ASN B 21 -151.77 -121.90 REMARK 500 LYS B 41 78.80 -102.55 REMARK 500 TRP B 60 -9.33 78.57 REMARK 500 PHE B 70 -179.85 -172.58 REMARK 500 GLU B 77 86.19 -150.41 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 500 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3FRU RELATED DB: PDB REMARK 900 3FRU IS THE STRUCTURE OF THE RAT FORM FCRN DBREF 1EXU A 1 267 UNP P55899 FCGRN_HUMAN 24 290 DBREF 1EXU B 1 99 UNP P61769 B2MG_HUMAN 21 119 SEQRES 1 A 267 ALA GLU SER HIS LEU SER LEU LEU TYR HIS LEU THR ALA SEQRES 2 A 267 VAL SER SER PRO ALA PRO GLY THR PRO ALA PHE TRP VAL SEQRES 3 A 267 SER GLY TRP LEU GLY PRO GLN GLN TYR LEU SER TYR ASN SEQRES 4 A 267 SER LEU ARG GLY GLU ALA GLU PRO CYS GLY ALA TRP VAL SEQRES 5 A 267 TRP GLU ASN GLN VAL SER TRP TYR TRP GLU LYS GLU THR SEQRES 6 A 267 THR ASP LEU ARG ILE LYS GLU LYS LEU PHE LEU GLU ALA SEQRES 7 A 267 PHE LYS ALA LEU GLY GLY LYS GLY PRO TYR THR LEU GLN SEQRES 8 A 267 GLY LEU LEU GLY CYS GLU LEU GLY PRO ASP ASN THR SER SEQRES 9 A 267 VAL PRO THR ALA LYS PHE ALA LEU ASN GLY GLU GLU PHE SEQRES 10 A 267 MET ASN PHE ASP LEU LYS GLN GLY THR TRP GLY GLY ASP SEQRES 11 A 267 TRP PRO GLU ALA LEU ALA ILE SER GLN ARG TRP GLN GLN SEQRES 12 A 267 GLN ASP LYS ALA ALA ASN LYS GLU LEU THR PHE LEU LEU SEQRES 13 A 267 PHE SER CYS PRO HIS ARG LEU ARG GLU HIS LEU GLU ARG SEQRES 14 A 267 GLY ARG GLY ASN LEU GLU TRP LYS GLU PRO PRO SER MET SEQRES 15 A 267 ARG LEU LYS ALA ARG PRO SER SER PRO GLY PHE SER VAL SEQRES 16 A 267 LEU THR CYS SER ALA PHE SER PHE TYR PRO PRO GLU LEU SEQRES 17 A 267 GLN LEU ARG PHE LEU ARG ASN GLY LEU ALA ALA GLY THR SEQRES 18 A 267 GLY GLN GLY ASP PHE GLY PRO ASN SER ASP GLY SER PHE SEQRES 19 A 267 HIS ALA SER SER SER LEU THR VAL LYS SER GLY ASP GLU SEQRES 20 A 267 HIS HIS TYR CYS CYS ILE VAL GLN HIS ALA GLY LEU ALA SEQRES 21 A 267 GLN PRO LEU ARG VAL GLU LEU SEQRES 1 B 99 ILE GLN ARG THR PRO LYS ILE GLN VAL TYR SER ARG HIS SEQRES 2 B 99 PRO ALA GLU ASN GLY LYS SER ASN PHE LEU ASN CYS TYR SEQRES 3 B 99 VAL SER GLY PHE HIS PRO SER ASP ILE GLU VAL ASP LEU SEQRES 4 B 99 LEU LYS ASN GLY GLU ARG ILE GLU LYS VAL GLU HIS SER SEQRES 5 B 99 ASP LEU SER PHE SER LYS ASP TRP SER PHE TYR LEU LEU SEQRES 6 B 99 TYR TYR THR GLU PHE THR PRO THR GLU LYS ASP GLU TYR SEQRES 7 B 99 ALA CYS ARG VAL ASN HIS VAL THR LEU SER GLN PRO LYS SEQRES 8 B 99 ILE VAL LYS TRP ASP ARG ASP MET HET BME A 500 4 HETNAM BME BETA-MERCAPTOETHANOL FORMUL 3 BME C2 H6 O S FORMUL 4 HOH *47(H2 O) HELIX 1 1 TRP A 61 ALA A 81 1 21 HELIX 2 2 TRP A 131 GLN A 143 1 13 HELIX 3 3 LYS A 146 PHE A 157 1 12 HELIX 4 4 PHE A 157 ARG A 169 1 13 HELIX 5 5 GLY A 170 GLU A 175 1 6 HELIX 6 6 ASP A 246 HIS A 248 5 3 SHEET 1 A 8 GLU A 46 PRO A 47 0 SHEET 2 A 8 GLN A 33 ASN A 39 -1 O SER A 37 N GLU A 46 SHEET 3 A 8 PHE A 24 LEU A 30 -1 N VAL A 26 O TYR A 38 SHEET 4 A 8 SER A 6 VAL A 14 -1 O LEU A 8 N TRP A 29 SHEET 5 A 8 THR A 89 LEU A 98 -1 N LEU A 90 O ALA A 13 SHEET 6 A 8 SER A 104 LEU A 112 -1 N VAL A 105 O GLU A 97 SHEET 7 A 8 GLU A 115 ASP A 121 -1 O GLU A 115 N LEU A 112 SHEET 8 A 8 THR A 126 GLY A 128 -1 O THR A 126 N ASP A 121 SHEET 1 B 4 SER A 181 PRO A 188 0 SHEET 2 B 4 PHE A 193 PHE A 203 -1 N VAL A 195 O ARG A 187 SHEET 3 B 4 PHE A 234 LYS A 243 -1 N PHE A 234 O PHE A 203 SHEET 4 B 4 PHE A 226 PRO A 228 -1 O GLY A 227 N HIS A 235 SHEET 1 C 4 LEU A 217 ALA A 218 0 SHEET 2 C 4 LEU A 208 ARG A 214 -1 N ARG A 214 O LEU A 217 SHEET 3 C 4 TYR A 250 HIS A 256 -1 O CYS A 251 N LEU A 213 SHEET 4 C 4 LEU A 263 GLU A 266 -1 N LEU A 263 O VAL A 254 SHEET 1 D 4 LYS B 6 SER B 11 0 SHEET 2 D 4 ASN B 21 PHE B 30 -1 N ASN B 24 O TYR B 10 SHEET 3 D 4 PHE B 62 PHE B 70 -1 N PHE B 62 O PHE B 30 SHEET 4 D 4 GLU B 50 HIS B 51 -1 O GLU B 50 N TYR B 67 SHEET 1 E 4 LYS B 6 SER B 11 0 SHEET 2 E 4 ASN B 21 PHE B 30 -1 N ASN B 24 O TYR B 10 SHEET 3 E 4 PHE B 62 PHE B 70 -1 N PHE B 62 O PHE B 30 SHEET 4 E 4 SER B 55 PHE B 56 -1 O SER B 55 N TYR B 63 SHEET 1 F 3 ILE B 35 LEU B 40 0 SHEET 2 F 3 ALA B 79 HIS B 84 -1 O ALA B 79 N LEU B 40 SHEET 3 F 3 LYS B 91 LYS B 94 -1 N LYS B 91 O VAL B 82 SSBOND 1 CYS A 96 CYS A 159 1555 1555 2.03 SSBOND 2 CYS A 198 CYS A 252 1555 1555 2.02 SSBOND 3 CYS B 25 CYS B 80 1555 1555 2.02 LINK SG CYS A 48 S2 BME A 500 1555 1555 2.03 CISPEP 1 GLY A 86 PRO A 87 0 -0.33 CISPEP 2 TYR A 204 PRO A 205 0 0.26 CISPEP 3 HIS B 31 PRO B 32 0 0.29 SITE 1 AC1 3 CYS A 48 SER B 52 ASP B 53 CRYST1 66.387 66.387 221.813 90.00 90.00 90.00 P 43 21 2 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 0.015063 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015063 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004508 0.00000