HEADER OXIDOREDUCTASE 19-SEP-00 1FVG TITLE CRYSTAL STRUCTURE OF BOVINE PEPTIDE METHIONINE SULFOXIDE REDUCTASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PEPTIDE METHIONINE SULFOXIDE REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.8.4.6; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: DITHIOTHREITOL COMPLEX SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PET28B KEYWDS OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR W.T.LOWTHER,N.BROT,H.WEISSBACH,B.W.MATTHEWS REVDAT 4 13-NOV-24 1FVG 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1FVG 1 VERSN REVDAT 2 15-NOV-00 1FVG 1 COMPND REVDAT 1 08-NOV-00 1FVG 0 JRNL AUTH W.T.LOWTHER,N.BROT,H.WEISSBACH,B.W.MATTHEWS JRNL TITL STRUCTURE AND MECHANISM OF PEPTIDE METHIONINE SULFOXIDE JRNL TITL 2 REDUCTASE, AN "ANTI-OXIDATION" ENZYME. JRNL REF BIOCHEMISTRY V. 39 13307 2000 JRNL REFN ISSN 0006-2960 JRNL PMID 11063566 JRNL DOI 10.1021/BI0020269 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH W.T.LOWTHER,N.BROT,H.WEISSBACH,J.F.HONEK,B.W.MATTHEWS REMARK 1 TITL THIOL-DISULFIDE EXCHANGE IS INVOLVED IN THE CATALYTIC REMARK 1 TITL 2 MECHANISM OF PEPTIDE METHIONINE SULFOXIDE REDUCTASE REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 97 6463 2000 REMARK 1 REFN ISSN 0027-8424 REMARK 1 DOI 10.1073/PNAS.97.12.6463 REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT 5E REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 53.58 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 23882 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM 10% REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.182 REMARK 3 FREE R VALUE : 0.242 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2334 REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1525 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 8 REMARK 3 SOLVENT ATOMS : 140 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : 15.900 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.010 ; 0.800 ; 1580 REMARK 3 BOND ANGLES (DEGREES) : 2.130 ; 1.300 ; 2130 REMARK 3 TORSION ANGLES (DEGREES) : 15.924; 0.000 ; 914 REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : 0.007 ; 2.000 ; 19 REMARK 3 GENERAL PLANES (A) : 0.012 ; 5.000 ; 231 REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : 0.034 ; 10.000; 16 REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : 0.80 REMARK 3 BSOL : 141.2 REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : ENGH & HUBER REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURE FACTORS REPRESENT THE REMARK 3 "OPTIMIZED" REFERENCE STRUCTURE FACTORS (FPSHA) FROM A THREE REMARK 3 WAVELENGTH MAD EXPERIMENT ANALYZED BY SHARP. REMARK 4 REMARK 4 1FVG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-OCT-00. REMARK 100 THE DEPOSITION ID IS D_1000011934. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-APR-00 REMARK 200 TEMPERATURE (KELVIN) : 103 REMARK 200 PH : 4.70 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9787,0.9788,0.9537 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23472 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 53.500 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 8.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.8 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : 0.03800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 37.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.66 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.9 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : 0.17100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.55 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: DITHIOTHREITOL, PEG 8000, CITRATE, REMARK 280 NA2HPO4, DIMETHYL SULFOXIDE, NACL, PH 4.70, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 22.87850 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.44150 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 22.87850 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 38.44150 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 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 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 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 MSE A 21 REMARK 465 GLY A 22 REMARK 465 ASP A 23 REMARK 465 SER A 24 REMARK 465 ALA A 25 REMARK 465 ALA A 26 REMARK 465 GLY A 219 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 LYS A 27 CG CD CE NZ REMARK 480 LYS A 39 CG CD CE NZ REMARK 480 GLU A 40 CG CD OE1 OE2 REMARK 480 GLU A 61 CD OE1 OE2 REMARK 480 LYS A 79 CD CE NZ REMARK 480 LYS A 110 CD CE NZ REMARK 480 GLU A 124 CG CD OE1 OE2 REMARK 480 LYS A 133 CE NZ REMARK 480 GLU A 165 CG CD OE1 OE2 REMARK 480 GLU A 175 CG CD OE1 OE2 REMARK 480 LYS A 179 CD CE NZ 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 407 O HOH A 407 2756 0.58 REMARK 500 O GLY A 196 O GLY A 196 2655 1.28 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU A 130 CD GLU A 130 OE2 0.069 REMARK 500 GLU A 137 CD GLU A 137 OE2 0.071 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 ARG A 78 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 ARG A 78 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES REMARK 500 ASP A 176 CB - CG - OD2 ANGL. DEV. = -5.9 DEGREES REMARK 500 ASP A 192 CB - CG - OD2 ANGL. DEV. = -6.1 DEGREES REMARK 500 ASP A 215 CB - CG - OD2 ANGL. DEV. = -5.7 DEGREES 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 DTT A 300 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FVA RELATED DB: PDB REMARK 900 METHIONINE SULFOXIDE REDUCTASE DBREF 1FVG A 21 219 UNP P54149 MSRA_BOVIN 21 219 SEQADV 1FVG MSE A 21 UNP P54149 MET 21 MODIFIED RESIDUE SEQADV 1FVG MSE A 65 UNP P54149 MET 65 MODIFIED RESIDUE SEQADV 1FVG MSE A 70 UNP P54149 MET 70 MODIFIED RESIDUE SEQADV 1FVG MSE A 145 UNP P54149 MET 145 MODIFIED RESIDUE SEQRES 1 A 199 MSE GLY ASP SER ALA ALA LYS ILE VAL SER PRO GLN GLU SEQRES 2 A 199 ALA LEU PRO GLY ARG LYS GLU PRO LEU VAL VAL ALA ALA SEQRES 3 A 199 LYS HIS HIS VAL ASN GLY ASN ARG THR VAL GLU PRO PHE SEQRES 4 A 199 PRO GLU GLY THR GLN MSE ALA VAL PHE GLY MSE GLY CYS SEQRES 5 A 199 PHE TRP GLY ALA GLU ARG LYS PHE TRP THR LEU LYS GLY SEQRES 6 A 199 VAL TYR SER THR GLN VAL GLY PHE ALA GLY GLY TYR THR SEQRES 7 A 199 PRO ASN PRO THR TYR LYS GLU VAL CYS SER GLY LYS THR SEQRES 8 A 199 GLY HIS ALA GLU VAL VAL ARG VAL VAL PHE GLN PRO GLU SEQRES 9 A 199 HIS ILE SER PHE GLU GLU LEU LEU LYS VAL PHE TRP GLU SEQRES 10 A 199 ASN HIS ASP PRO THR GLN GLY MSE ARG GLN GLY ASN ASP SEQRES 11 A 199 HIS GLY SER GLN TYR ARG SER ALA ILE TYR PRO THR SER SEQRES 12 A 199 ALA GLU HIS VAL GLY ALA ALA LEU LYS SER LYS GLU ASP SEQRES 13 A 199 TYR GLN LYS VAL LEU SER GLU HIS GLY PHE GLY LEU ILE SEQRES 14 A 199 THR THR ASP ILE ARG GLU GLY GLN THR PHE TYR TYR ALA SEQRES 15 A 199 GLU ASP TYR HIS GLN GLN TYR LEU SER LYS ASP PRO ASP SEQRES 16 A 199 GLY TYR CYS GLY MODRES 1FVG MSE A 65 MET SELENOMETHIONINE MODRES 1FVG MSE A 70 MET SELENOMETHIONINE MODRES 1FVG MSE A 145 MET SELENOMETHIONINE HET MSE A 65 8 HET MSE A 70 8 HET MSE A 145 8 HET DTT A 300 8 HETNAM MSE SELENOMETHIONINE HETNAM DTT 2,3-DIHYDROXY-1,4-DITHIOBUTANE HETSYN DTT 1,4-DITHIOTHREITOL FORMUL 1 MSE 3(C5 H11 N O2 SE) FORMUL 2 DTT C4 H10 O2 S2 FORMUL 3 HOH *140(H2 O) HELIX 1 1 CYS A 72 THR A 82 1 11 HELIX 2 2 THR A 102 SER A 108 1 7 HELIX 3 3 SER A 127 ASN A 138 1 12 HELIX 4 4 SER A 153 TYR A 155 5 3 HELIX 5 5 SER A 163 HIS A 184 1 22 HELIX 6 6 GLU A 203 GLN A 207 5 5 HELIX 7 7 GLN A 208 ASP A 213 1 6 SHEET 1 A 6 ASP A 192 ILE A 193 0 SHEET 2 A 6 SER A 157 ILE A 159 1 O SER A 157 N ASP A 192 SHEET 3 A 6 GLN A 64 MSE A 70 -1 N GLY A 69 O ALA A 158 SHEET 4 A 6 ALA A 114 PHE A 121 -1 N VAL A 117 O PHE A 68 SHEET 5 A 6 VAL A 86 ALA A 94 -1 N TYR A 87 O VAL A 120 SHEET 6 A 6 TYR A 200 TYR A 201 -1 O TYR A 200 N PHE A 93 SHEET 1 B 2 ARG A 146 GLN A 147 0 SHEET 2 B 2 ASP A 150 HIS A 151 -1 O ASP A 150 N GLN A 147 LINK C GLN A 64 N MSE A 65 1555 1555 1.34 LINK C MSE A 65 N ALA A 66 1555 1555 1.34 LINK C GLY A 69 N MSE A 70 1555 1555 1.34 LINK C MSE A 70 N GLY A 71 1555 1555 1.33 LINK SG CYS A 72 S1 DTT A 300 1555 1555 2.16 LINK C GLY A 144 N MSE A 145 1555 1555 1.32 LINK C MSE A 145 N ARG A 146 1555 1555 1.30 LINK SG CYS A 218 S4 DTT A 300 1555 1555 1.98 CISPEP 1 GLU A 57 PRO A 58 0 -0.37 SITE 1 AC1 8 CYS A 72 TYR A 103 GLU A 115 ASP A 150 SITE 2 AC1 8 TYR A 155 CYS A 218 HOH A 328 HOH A 329 CRYST1 45.757 76.883 56.745 90.00 109.21 90.00 C 1 2 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 0.021855 0.000000 0.007616 0.00000 SCALE2 0.000000 0.013007 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018662 0.00000