HEADER IMMUNE SYSTEM 04-MAR-10 3M19 TITLE CRYSTAL STRUCTURE OF VARIABLE LYMPHOCYTE RECEPTOR VLRA.R5.1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: VARIABLE LYMPHOCYTE RECEPTOR A DIVERSITY REGION; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: ECTODOMAIN; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PETROMYZON MARINUS; SOURCE 3 ORGANISM_COMMON: MARINE LAMPREY; SOURCE 4 ORGANISM_TAXID: 7757; SOURCE 5 GENE: VLRA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 CODONPLUS(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_VECTOR: PT7-7 KEYWDS VARIABLE LYMPHOCYTE RECEPTOR, ADAPTIVE IMMUNITY, ANTIBODY, T CELL, B KEYWDS 2 CELL, LEUCINE-RICH REPEAT, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR L.DENG,C.A.VELIKOVSKY,R.A.MARIUZZA REVDAT 3 11-AUG-10 3M19 1 JRNL REVDAT 2 28-JUL-10 3M19 1 JRNL REVDAT 1 30-JUN-10 3M19 0 JRNL AUTH L.DENG,C.A.VELIKOVSKY,G.XU,L.M.IYER,S.TASUMI,M.C.KERZIC, JRNL AUTH 2 M.F.FLAJNIK,L.ARAVIND,Z.PANCER,R.A.MARIUZZA JRNL TITL A STRUCTURAL BASIS FOR ANTIGEN RECOGNITION BY THE T JRNL TITL 2 CELL-LIKE LYMPHOCYTES OF SEA LAMPREY. JRNL REF PROC.NATL.ACAD.SCI.USA V. 107 13408 2010 JRNL REFN ISSN 0027-8424 JRNL PMID 20616002 JRNL DOI 10.1073/PNAS.1005475107 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 48278 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 + TEST SET) : 0.212 REMARK 3 R VALUE (WORKING SET) : 0.209 REMARK 3 FREE R VALUE : 0.255 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2561 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) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.74 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3597 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.00 REMARK 3 BIN R VALUE (WORKING SET) : 0.2550 REMARK 3 BIN FREE R VALUE SET COUNT : 189 REMARK 3 BIN FREE R VALUE : 0.3310 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3632 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 328 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.21 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.31000 REMARK 3 B22 (A**2) : 2.23000 REMARK 3 B33 (A**2) : -1.41000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.65000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.127 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.127 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.086 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.523 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.949 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.928 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3705 ; 0.017 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5026 ; 1.626 ; 1.983 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 474 ; 6.116 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 163 ;37.583 ;26.196 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 670 ;14.205 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 15 ;14.721 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 600 ; 0.108 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2723 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1680 ; 0.222 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 2503 ; 0.314 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 285 ; 0.145 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 69 ; 0.213 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 21 ; 0.151 ; 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): 2408 ; 1.135 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 3785 ; 1.787 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1431 ; 3.045 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1239 ; 4.775 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL 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: NULL REMARK 4 REMARK 4 3M19 COMPLIES WITH FORMAT V. 3.20, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-MAR-10. REMARK 100 THE RCSB ID CODE IS RCSB057980. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-NOV-09 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 48278 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.10100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.82 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 2.90 REMARK 200 R MERGE FOR SHELL (I) : 0.32200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 3M18 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.76 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% (W/V) POLYETHYLENE GLYCOL 6000, REMARK 280 1.0 M LICL AND 0.1 M CITRIC ACID, PH 4.0, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 38.52650 REMARK 290 SMTRY3 2 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 MET A 0 REMARK 465 LYS A 1 REMARK 465 THR A 2 REMARK 465 GLY A 214 REMARK 465 THR A 215 REMARK 465 GLY A 216 REMARK 465 GLN A 217 REMARK 465 ASN A 218 REMARK 465 LEU A 219 REMARK 465 HIS A 220 REMARK 465 PRO A 247 REMARK 465 PHE A 248 REMARK 465 VAL A 249 REMARK 465 GLU A 250 REMARK 465 MET B 0 REMARK 465 LYS B 1 REMARK 465 THR B 2 REMARK 465 GLY B 214 REMARK 465 THR B 215 REMARK 465 GLY B 216 REMARK 465 GLN B 217 REMARK 465 ASN B 218 REMARK 465 LEU B 219 REMARK 465 HIS B 220 REMARK 465 PRO B 247 REMARK 465 PHE B 248 REMARK 465 VAL B 249 REMARK 465 GLU B 250 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 GLY A 225 O HOH A 272 2.16 REMARK 500 CE LYS A 59 O HOH A 302 2.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES 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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) 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 ATM2 ATM3 REMARK 500 LYS A 59 CD - CE - NZ ANGL. DEV. = 14.8 DEGREES 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 ASN A 68 -161.98 -110.32 REMARK 500 LEU A 81 50.26 -91.69 REMARK 500 ASN A 92 -155.47 -110.02 REMARK 500 LEU A 105 58.02 -95.66 REMARK 500 ASN A 116 -158.51 -117.87 REMARK 500 ASN A 140 -154.61 -120.27 REMARK 500 ASN A 164 -162.90 -126.07 REMARK 500 SER A 222 59.12 -158.35 REMARK 500 TYR A 244 19.72 57.16 REMARK 500 ASN B 68 -164.02 -108.98 REMARK 500 LEU B 81 56.95 -96.04 REMARK 500 ASN B 92 -160.57 -108.45 REMARK 500 LEU B 105 54.29 -92.22 REMARK 500 ASN B 116 -157.51 -112.47 REMARK 500 ASN B 140 -157.48 -128.04 REMARK 500 SER B 222 58.14 -159.57 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3M18 RELATED DB: PDB DBREF 3M19 A 1 250 UNP C7B6Z3 C7B6Z3_PETMA 1 250 DBREF 3M19 B 1 250 UNP C7B6Z3 C7B6Z3_PETMA 1 250 SEQADV 3M19 MET A 0 UNP C7B6Z3 INITIATING METHIONINE SEQADV 3M19 MET B 0 UNP C7B6Z3 INITIATING METHIONINE SEQRES 1 A 251 MET LYS THR CYS GLU THR VAL THR GLY CYS THR CYS ASN SEQRES 2 A 251 GLU GLY LYS LYS GLU VAL ASP CYS GLN GLY LYS SER LEU SEQRES 3 A 251 ASP SER VAL PRO SER GLY ILE PRO ALA ASP THR GLU LYS SEQRES 4 A 251 LEU ASP LEU GLN SER THR GLY LEU ALA THR LEU SER ASP SEQRES 5 A 251 ALA THR PHE ARG GLY LEU THR LYS LEU THR TRP LEU ASN SEQRES 6 A 251 LEU ASP TYR ASN GLN LEU GLN THR LEU SER ALA GLY VAL SEQRES 7 A 251 PHE ASP ASP LEU THR GLU LEU GLY THR LEU GLY LEU ALA SEQRES 8 A 251 ASN ASN GLN LEU ALA SER LEU PRO LEU GLY VAL PHE ASP SEQRES 9 A 251 HIS LEU THR GLN LEU ASP LYS LEU TYR LEU GLY GLY ASN SEQRES 10 A 251 GLN LEU LYS SER LEU PRO SER GLY VAL PHE ASP ARG LEU SEQRES 11 A 251 THR LYS LEU LYS GLU LEU ARG LEU ASN THR ASN GLN LEU SEQRES 12 A 251 GLN SER ILE PRO ALA GLY ALA PHE ASP LYS LEU THR ASN SEQRES 13 A 251 LEU GLN THR LEU SER LEU SER THR ASN GLN LEU GLN SER SEQRES 14 A 251 VAL PRO HIS GLY ALA PHE ASP ARG LEU GLY LYS LEU GLN SEQRES 15 A 251 THR ILE THR LEU PHE GLY ASN GLN PHE ASP CYS SER ARG SEQRES 16 A 251 CYS GLU ILE LEU TYR LEU SER GLN TRP ILE ARG GLU ASN SEQRES 17 A 251 SER ASN LYS VAL LYS ASP GLY THR GLY GLN ASN LEU HIS SEQRES 18 A 251 GLU SER PRO ASP GLY VAL THR CYS SER ASP GLY LYS VAL SEQRES 19 A 251 VAL ARG THR VAL THR ASN GLU THR LEU LYS TYR GLU CYS SEQRES 20 A 251 PRO PHE VAL GLU SEQRES 1 B 251 MET LYS THR CYS GLU THR VAL THR GLY CYS THR CYS ASN SEQRES 2 B 251 GLU GLY LYS LYS GLU VAL ASP CYS GLN GLY LYS SER LEU SEQRES 3 B 251 ASP SER VAL PRO SER GLY ILE PRO ALA ASP THR GLU LYS SEQRES 4 B 251 LEU ASP LEU GLN SER THR GLY LEU ALA THR LEU SER ASP SEQRES 5 B 251 ALA THR PHE ARG GLY LEU THR LYS LEU THR TRP LEU ASN SEQRES 6 B 251 LEU ASP TYR ASN GLN LEU GLN THR LEU SER ALA GLY VAL SEQRES 7 B 251 PHE ASP ASP LEU THR GLU LEU GLY THR LEU GLY LEU ALA SEQRES 8 B 251 ASN ASN GLN LEU ALA SER LEU PRO LEU GLY VAL PHE ASP SEQRES 9 B 251 HIS LEU THR GLN LEU ASP LYS LEU TYR LEU GLY GLY ASN SEQRES 10 B 251 GLN LEU LYS SER LEU PRO SER GLY VAL PHE ASP ARG LEU SEQRES 11 B 251 THR LYS LEU LYS GLU LEU ARG LEU ASN THR ASN GLN LEU SEQRES 12 B 251 GLN SER ILE PRO ALA GLY ALA PHE ASP LYS LEU THR ASN SEQRES 13 B 251 LEU GLN THR LEU SER LEU SER THR ASN GLN LEU GLN SER SEQRES 14 B 251 VAL PRO HIS GLY ALA PHE ASP ARG LEU GLY LYS LEU GLN SEQRES 15 B 251 THR ILE THR LEU PHE GLY ASN GLN PHE ASP CYS SER ARG SEQRES 16 B 251 CYS GLU ILE LEU TYR LEU SER GLN TRP ILE ARG GLU ASN SEQRES 17 B 251 SER ASN LYS VAL LYS ASP GLY THR GLY GLN ASN LEU HIS SEQRES 18 B 251 GLU SER PRO ASP GLY VAL THR CYS SER ASP GLY LYS VAL SEQRES 19 B 251 VAL ARG THR VAL THR ASN GLU THR LEU LYS TYR GLU CYS SEQRES 20 B 251 PRO PHE VAL GLU FORMUL 3 HOH *328(H2 O) HELIX 1 1 CYS A 3 GLY A 8 1 6 HELIX 2 2 GLU A 13 LYS A 15 5 3 HELIX 3 3 GLU A 196 ASN A 207 1 12 HELIX 4 4 SER A 208 VAL A 211 5 4 HELIX 5 5 SER A 222 VAL A 226 5 5 HELIX 6 6 VAL A 233 VAL A 237 5 5 HELIX 7 7 CYS B 3 GLY B 8 1 6 HELIX 8 8 GLU B 196 ASN B 207 1 12 HELIX 9 9 SER B 208 VAL B 211 5 4 HELIX 10 10 SER B 222 VAL B 226 5 5 HELIX 11 11 VAL B 233 VAL B 237 5 5 SHEET 1 A 9 THR A 10 ASN A 12 0 SHEET 2 A 9 GLU A 17 ASP A 19 -1 O ASP A 19 N THR A 10 SHEET 3 A 9 LYS A 38 ASP A 40 1 O ASP A 40 N VAL A 18 SHEET 4 A 9 TRP A 62 ASN A 64 1 O TRP A 62 N LEU A 39 SHEET 5 A 9 THR A 86 GLY A 88 1 O GLY A 88 N LEU A 63 SHEET 6 A 9 LYS A 110 TYR A 112 1 O TYR A 112 N LEU A 87 SHEET 7 A 9 GLU A 134 ARG A 136 1 O ARG A 136 N LEU A 111 SHEET 8 A 9 THR A 158 SER A 160 1 O THR A 158 N LEU A 135 SHEET 9 A 9 THR A 182 THR A 184 1 O THR A 182 N LEU A 159 SHEET 1 B 9 THR B 10 ASN B 12 0 SHEET 2 B 9 GLU B 17 ASP B 19 -1 O ASP B 19 N THR B 10 SHEET 3 B 9 LYS B 38 ASP B 40 1 O LYS B 38 N VAL B 18 SHEET 4 B 9 TRP B 62 ASN B 64 1 O TRP B 62 N LEU B 39 SHEET 5 B 9 THR B 86 GLY B 88 1 O GLY B 88 N LEU B 63 SHEET 6 B 9 LYS B 110 TYR B 112 1 O TYR B 112 N LEU B 87 SHEET 7 B 9 GLU B 134 ARG B 136 1 O GLU B 134 N LEU B 111 SHEET 8 B 9 THR B 158 SER B 160 1 O THR B 158 N LEU B 135 SHEET 9 B 9 THR B 182 THR B 184 1 O THR B 182 N LEU B 159 SSBOND 1 CYS A 3 CYS A 11 1555 1555 2.03 SSBOND 2 CYS A 9 CYS A 20 1555 1555 2.05 SSBOND 3 CYS A 192 CYS A 228 1555 1555 1.99 SSBOND 4 CYS A 195 CYS A 246 1555 1555 2.03 SSBOND 5 CYS B 3 CYS B 11 1555 1555 2.06 SSBOND 6 CYS B 9 CYS B 20 1555 1555 2.04 SSBOND 7 CYS B 192 CYS B 228 1555 1555 2.02 SSBOND 8 CYS B 195 CYS B 246 1555 1555 2.05 CRYST1 50.333 77.053 65.392 90.00 112.04 90.00 P 1 21 1 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 0.019868 0.000000 0.008043 0.00000 SCALE2 0.000000 0.012978 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016498 0.00000 MASTER 332 0 0 11 18 0 0 6 0 0 0 40 END