HEADER TRANSPORT PROTEIN 23-APR-01 1III TITLE CRYSTAL STRUCTURE OF THE TRANSTHYRETIN MUTANT TTR Y114C-DATA COLLECTED TITLE 2 AT ROOM TEMPERATURE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSTHYRETIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: TRANSTHYRETIN; COMPND 5 SYNONYM: TBPA, TTR, ATTR; COMPND 6 ENGINEERED: YES; COMPND 7 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: TTR; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET3 KEYWDS GREEK KEY, BETA BARREL, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR T.ENEQVIST,A.OLOFSSON,Y.ANDO,E.LUNDGREN,A.E.SAUER-ERIKSSON REVDAT 4 27-OCT-21 1III 1 REMARK SEQADV LINK REVDAT 3 13-JUL-11 1III 1 VERSN REVDAT 2 24-FEB-09 1III 1 VERSN REVDAT 1 15-NOV-02 1III 0 JRNL AUTH T.ENEQVIST,A.OLOFSSON,Y.ANDO,T.MIYAKAWA,S.KATSURAGI,J.JASS, JRNL AUTH 2 E.LUNDGREN,A.E.SAUER-ERIKSSON JRNL TITL DISULFIDE-BOND FORMATION IN THE TRANSTHYRETIN MUTANT Y114C JRNL TITL 2 PREVENTS AMYLOID FIBRIL FORMATION IN VIVO AND IN VITRO JRNL REF BIOCHEMISTRY V. 41 13143 2002 JRNL REFN ISSN 0006-2960 JRNL PMID 12403615 JRNL DOI 10.1021/BI025800W REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.54 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 15298 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) : 0.201 REMARK 3 R VALUE (WORKING SET) : 0.197 REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 11.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1721 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1766 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 24 REMARK 3 SOLVENT ATOMS : 141 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.88 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.03000 REMARK 3 B22 (A**2) : -0.41000 REMARK 3 B33 (A**2) : 0.38000 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): 0.211 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.175 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.158 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.509 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.008 ; 0.021 REMARK 3 ANGLE DISTANCE (A) : 1.212 ; 1.937 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.004 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.074 ; 0.200 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 3.500 ; 3.000 REMARK 3 MULTIPLE TORSION (A) : 16.821; 15.000 REMARK 3 H-BOND (X...Y) (A) : 0.168 ; 0.500 REMARK 3 H-BOND (X-H...Y) (A) : 0.201 ; 0.300 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 0.731 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.419 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.926 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.373 ; 4.500 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: OCCUPANCY OF BME MOLECULES WERE REFINED REMARK 3 AFTER STRUCTURAL OVERALL B-FACTOR REFINEMENT REMARK 4 REMARK 4 1III COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-APR-01. REMARK 100 THE DEPOSITION ID IS D_1000013299. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-SEP-98 REMARK 200 TEMPERATURE (KELVIN) : 298.0 REMARK 200 PH : 5.0 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 : ENRAF-NONIUS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MACSCIENCE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17049 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 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 (%) : 98.5 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : 0.09100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.2 REMARK 200 DATA REDUNDANCY IN SHELL : 5.30 REMARK 200 R MERGE FOR SHELL (I) : 0.39800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: PDB ENTRY 1F41 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.04 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2M AMMONIUM SULPHATE, 0.1M SODIUM REMARK 280 CITRATE, 2% PEG 200, 1% BME, PH 5.0, VAPOR DIFFUSION, HANGING REMARK 280 DROP AT 298K, TEMPERATURE 298.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 21.75850 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 43.07000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.75850 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 43.07000 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 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 SECOND PART OF THE BIOLOGICAL ASSEMBLY IS GENERATED REMARK 300 BY THE TWO FOLD AXIS: -X, -Y, Z. 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 7190 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20120 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -50.0 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 43.51700 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 86.14000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 977 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 933 LIES ON A SPECIAL POSITION. 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 GLY A 1 REMARK 465 PRO A 2 REMARK 465 THR A 3 REMARK 465 GLY A 4 REMARK 465 THR A 5 REMARK 465 GLY A 6 REMARK 465 GLU A 7 REMARK 465 SER A 8 REMARK 465 LYS A 9 REMARK 465 PRO A 125 REMARK 465 LYS A 126 REMARK 465 GLU A 127 REMARK 465 GLY B 1 REMARK 465 PRO B 2 REMARK 465 THR B 3 REMARK 465 GLY B 4 REMARK 465 THR B 5 REMARK 465 GLY B 6 REMARK 465 GLU B 7 REMARK 465 SER B 8 REMARK 465 LYS B 9 REMARK 465 PRO B 125 REMARK 465 LYS B 126 REMARK 465 GLU B 127 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 929 O HOH A 948 2.19 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 ASP A 74 CB - CG - OD2 ANGL. DEV. = 6.2 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 SER B 100 64.97 -48.29 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 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME B 902 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 903 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 904 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME B 905 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME B 906 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1IIK RELATED DB: PDB REMARK 900 A SINGLE MUTANT TTR Y114C, LOW T REMARK 900 RELATED ID: 1IIM RELATED DB: PDB REMARK 900 A DOUBLE MUTANT OF TRANSTHYRETIN REMARK 900 RELATED ID: 1IIN RELATED DB: PDB REMARK 900 A DOUBLE MUTANT OF TRANSTHYRETIN DBREF 1III A 1 127 UNP P02766 TTHY_HUMAN 21 147 DBREF 1III B 1 127 UNP P02766 TTHY_HUMAN 21 147 SEQADV 1III CYS A 114 UNP P02766 TYR 134 ENGINEERED MUTATION SEQADV 1III CYS B 114 UNP P02766 TYR 134 ENGINEERED MUTATION SEQRES 1 A 127 GLY PRO THR GLY THR GLY GLU SER LYS CYS PRO LEU MET SEQRES 2 A 127 VAL LYS VAL LEU ASP ALA VAL ARG GLY SER PRO ALA ILE SEQRES 3 A 127 ASN VAL ALA VAL HIS VAL PHE ARG LYS ALA ALA ASP ASP SEQRES 4 A 127 THR TRP GLU PRO PHE ALA SER GLY LYS THR SER GLU SER SEQRES 5 A 127 GLY GLU LEU HIS GLY LEU THR THR GLU GLU GLU PHE VAL SEQRES 6 A 127 GLU GLY ILE TYR LYS VAL GLU ILE ASP THR LYS SER TYR SEQRES 7 A 127 TRP LYS ALA LEU GLY ILE SER PRO PHE HIS GLU HIS ALA SEQRES 8 A 127 GLU VAL VAL PHE THR ALA ASN ASP SER GLY PRO ARG ARG SEQRES 9 A 127 TYR THR ILE ALA ALA LEU LEU SER PRO CYS SER TYR SER SEQRES 10 A 127 THR THR ALA VAL VAL THR ASN PRO LYS GLU SEQRES 1 B 127 GLY PRO THR GLY THR GLY GLU SER LYS CYS PRO LEU MET SEQRES 2 B 127 VAL LYS VAL LEU ASP ALA VAL ARG GLY SER PRO ALA ILE SEQRES 3 B 127 ASN VAL ALA VAL HIS VAL PHE ARG LYS ALA ALA ASP ASP SEQRES 4 B 127 THR TRP GLU PRO PHE ALA SER GLY LYS THR SER GLU SER SEQRES 5 B 127 GLY GLU LEU HIS GLY LEU THR THR GLU GLU GLU PHE VAL SEQRES 6 B 127 GLU GLY ILE TYR LYS VAL GLU ILE ASP THR LYS SER TYR SEQRES 7 B 127 TRP LYS ALA LEU GLY ILE SER PRO PHE HIS GLU HIS ALA SEQRES 8 B 127 GLU VAL VAL PHE THR ALA ASN ASP SER GLY PRO ARG ARG SEQRES 9 B 127 TYR THR ILE ALA ALA LEU LEU SER PRO CYS SER TYR SER SEQRES 10 B 127 THR THR ALA VAL VAL THR ASN PRO LYS GLU HET BME A 901 4 HET BME A 903 4 HET BME A 904 4 HET BME B 902 4 HET BME B 905 4 HET BME B 906 4 HETNAM BME BETA-MERCAPTOETHANOL FORMUL 3 BME 6(C2 H6 O S) FORMUL 9 HOH *141(H2 O) HELIX 1 1 ASP A 74 ALA A 81 1 8 HELIX 2 2 ASP B 74 LEU B 82 1 9 SHEET 1 A 8 TRP A 41 LYS A 48 0 SHEET 2 A 8 ALA A 29 LYS A 35 -1 N VAL A 30 O GLY A 47 SHEET 3 A 8 GLY A 67 ILE A 73 -1 O ILE A 68 N LYS A 35 SHEET 4 A 8 HIS A 88 ALA A 97 -1 O ALA A 91 N ILE A 73 SHEET 5 A 8 HIS B 88 ALA B 97 -1 N GLU B 89 O VAL A 94 SHEET 6 A 8 GLY B 67 ILE B 73 -1 O GLY B 67 N ALA B 97 SHEET 7 A 8 ALA B 29 LYS B 35 -1 O HIS B 31 N GLU B 72 SHEET 8 A 8 TRP B 41 LYS B 48 -1 O GLU B 42 N ARG B 34 LINK SG CYS A 114 S2 BME A 901 1555 1555 2.00 LINK S2 BME A 903 S2 BME A 904 1555 1555 2.02 LINK C1 BME A 903 C2 BME A 904 1555 2665 1.53 LINK C1 BME A 903 O1 BME A 904 1555 2665 1.33 LINK C2 BME A 903 C1 BME A 904 1555 2665 1.52 LINK C2 BME A 903 S2 BME A 904 1555 2665 1.93 LINK O1 BME A 903 C1 BME A 904 1555 2665 1.47 LINK S2 BME A 903 C2 BME A 904 1555 2665 1.70 LINK C2 BME A 903 C1 BME A 904 2665 1555 1.52 LINK O1 BME A 903 C1 BME A 904 2665 1555 1.47 LINK S2 BME A 903 C2 BME A 904 2665 1555 1.70 LINK C1 BME A 903 C2 BME A 904 2665 1555 1.53 LINK C1 BME A 903 O1 BME A 904 2665 1555 1.33 LINK C2 BME A 903 S2 BME A 904 2665 1555 1.93 LINK SG CYS B 114 S2 BME B 902 1555 1555 1.99 LINK S2 BME B 905 S2 BME B 906 1555 1555 2.01 LINK C1 BME B 905 O1 BME B 906 1555 2665 1.42 LINK C2 BME B 905 C1 BME B 906 1555 2665 1.56 LINK C2 BME B 905 S2 BME B 906 1555 2665 1.89 LINK O1 BME B 905 C1 BME B 906 1555 2665 1.39 LINK S2 BME B 905 C2 BME B 906 1555 2665 1.73 LINK C2 BME B 905 C1 BME B 906 2665 1555 1.56 LINK O1 BME B 905 C1 BME B 906 2665 1555 1.39 LINK S2 BME B 905 C2 BME B 906 2665 1555 1.73 LINK C1 BME B 905 C2 BME B 906 2665 1555 1.49 LINK C1 BME B 905 O1 BME B 906 2665 1555 1.42 LINK C2 BME B 905 S2 BME B 906 2665 1555 1.89 LINK C1 BME B 905 C2 BME B 906 1555 2665 1.49 SITE 1 AC1 3 PHE A 87 CYS A 114 VAL B 122 SITE 1 AC2 5 SER B 85 PRO B 86 PHE B 87 CYS B 114 SITE 2 AC2 5 HOH B 922 SITE 1 AC3 4 SER A 117 THR A 118 THR A 119 BME A 904 SITE 1 AC4 4 SER A 117 THR A 118 THR A 119 BME A 903 SITE 1 AC5 4 SER B 117 THR B 118 THR B 119 BME B 906 SITE 1 AC6 4 SER B 117 THR B 118 THR B 119 BME B 905 CRYST1 43.517 86.140 65.554 90.00 90.00 90.00 P 21 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 0.022980 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011609 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015255 0.00000 MASTER 320 0 6 2 8 0 7 6 0 0 0 20 END