HEADER TRANSFERASE 21-SEP-05 2B3U TITLE HUMAN SPERMINE SPERMIDINE ACETYLTRANSFERASE K26R MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIAMINE ACETYLTRANSFERASE 1; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: SPERMIDINE/SPERMINE N1, - ACETYLTRANSFERASE 1, SSAT, SSAT-1, COMPND 5 PUTRESCINE ACETYLTRANSFERASE, POLYAMINE N-ACETYLTRANSFERASE 1; COMPND 6 EC: 2.3.1.57; COMPND 7 ENGINEERED: YES; COMPND 8 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: SAT; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: B834(DE3)RIL; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET13A KEYWDS ACYLTRANSFERASE, STRUCTURAL GENOMICS, PSI, PROTEIN STRUCTURE KEYWDS 2 INITIATIVE, NEW YORK SGX RESEARCH CENTER FOR STRUCTURAL GENOMICS, KEYWDS 3 NYSGXRC, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR M.C.BEWLEY,V.GRAZIANO,J.S.JIANG,E.MATZ,F.W.STUDIER,A.P.PEGG, AUTHOR 2 C.S.COLEMAN,J.M.FLANAGAN,S.K.BURLEY,NEW YORK SGX RESEARCH CENTER FOR AUTHOR 3 STRUCTURAL GENOMICS (NYSGXRC) REVDAT 6 03-FEB-21 2B3U 1 AUTHOR REMARK SEQADV LINK REVDAT 5 24-JUN-15 2B3U 1 JRNL VERSN REMARK REVDAT 4 26-JAN-11 2B3U 1 AUTHOR REVDAT 3 24-FEB-09 2B3U 1 VERSN REVDAT 2 07-MAR-06 2B3U 1 JRNL REVDAT 1 17-JAN-06 2B3U 0 JRNL AUTH M.C.BEWLEY,V.GRAZIANO,J.JIANG,E.MATZ,F.W.STUDIER,A.E.PEGG, JRNL AUTH 2 C.S.COLEMAN,J.M.FLANAGAN JRNL TITL STRUCTURES OF WILD-TYPE AND MUTANT HUMAN SPERMIDINE/SPERMINE JRNL TITL 2 N1-ACETYLTRANSFERASE, A POTENTIAL THERAPEUTIC DRUG TARGET. JRNL REF PROC.NATL.ACAD.SCI.USA V. 103 2063 2006 JRNL REFN ISSN 0027-8424 JRNL PMID 16455797 JRNL DOI 10.1073/PNAS.0511008103 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : -3.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 26751 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.210 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1404 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2681 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 157 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2B3U COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-OCT-05. REMARK 100 THE DEPOSITION ID IS D_1000034640. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-JUN-03 REMARK 200 TEMPERATURE (KELVIN) : 99 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X26C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98 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 : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28155 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 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 (%) : 99.1 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: SAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.53 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MMPEG500, PH 6.0, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 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,X,Z+3/4 REMARK 290 4555 Y,-X,Z+1/4 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 31.65000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 47.47500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 15.82500 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 7070 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16060 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -78.0 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 MSE A 1 REMARK 465 ARG A 26 REMARK 465 TYR A 27 REMARK 465 GLU A 28 REMARK 465 TYR A 29 REMARK 465 MSE A 30 REMARK 465 GLU A 31 REMARK 465 GLU A 32 REMARK 465 GLU A 171 REMARK 465 MSE B 1 REMARK 465 ALA B 2 REMARK 465 LYS B 3 REMARK 465 GLY B 47 REMARK 465 GLU B 48 REMARK 465 HIS B 49 REMARK 465 GLU B 171 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 MSE A 167 SE MSE A 167 CE -0.566 REMARK 500 MSE B 125 SE MSE B 125 CE -0.468 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 GLN A 33 N - CA - C ANGL. DEV. = 20.6 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 ILE A 85 -62.66 -141.42 REMARK 500 MSE B 30 39.92 -147.46 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 SO4 B 172 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 172 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2B3V RELATED DB: PDB REMARK 900 RELATED ID: 2B47 RELATED DB: PDB REMARK 900 RELATED ID: 2B4B RELATED DB: PDB REMARK 900 RELATED ID: 2B4D RELATED DB: PDB REMARK 900 RELATED ID: 2B5G RELATED DB: PDB REMARK 900 RELATED ID: NYSGXRC-9502A RELATED DB: TARGETDB DBREF 2B3U A 1 171 UNP P21673 SAT1_HUMAN 1 171 DBREF 2B3U B 1 171 UNP P21673 SAT1_HUMAN 1 171 SEQADV 2B3U ARG A 26 UNP P21673 LYS 26 ENGINEERED MUTATION SEQADV 2B3U ARG B 26 UNP P21673 LYS 26 ENGINEERED MUTATION SEQRES 1 A 171 MSE ALA LYS PHE VAL ILE ARG PRO ALA THR ALA ALA ASP SEQRES 2 A 171 CYS SER ASP ILE LEU ARG LEU ILE LYS GLU LEU ALA ARG SEQRES 3 A 171 TYR GLU TYR MSE GLU GLU GLN VAL ILE LEU THR GLU LYS SEQRES 4 A 171 ASP LEU LEU GLU ASP GLY PHE GLY GLU HIS PRO PHE TYR SEQRES 5 A 171 HIS CYS LEU VAL ALA GLU VAL PRO LYS GLU HIS TRP THR SEQRES 6 A 171 PRO GLU GLY HIS SER ILE VAL GLY PHE ALA MSE TYR TYR SEQRES 7 A 171 PHE THR TYR ASP PRO TRP ILE GLY LYS LEU LEU TYR LEU SEQRES 8 A 171 GLU ASP PHE PHE VAL MSE SER ASP TYR ARG GLY PHE GLY SEQRES 9 A 171 ILE GLY SER GLU ILE LEU LYS ASN LEU SER GLN VAL ALA SEQRES 10 A 171 MSE ARG CYS ARG CYS SER SER MSE HIS PHE LEU VAL ALA SEQRES 11 A 171 GLU TRP ASN GLU PRO SER ILE ASN PHE TYR LYS ARG ARG SEQRES 12 A 171 GLY ALA SER ASP LEU SER SER GLU GLU GLY TRP ARG LEU SEQRES 13 A 171 PHE LYS ILE ASP LYS GLU TYR LEU LEU LYS MSE ALA THR SEQRES 14 A 171 GLU GLU SEQRES 1 B 171 MSE ALA LYS PHE VAL ILE ARG PRO ALA THR ALA ALA ASP SEQRES 2 B 171 CYS SER ASP ILE LEU ARG LEU ILE LYS GLU LEU ALA ARG SEQRES 3 B 171 TYR GLU TYR MSE GLU GLU GLN VAL ILE LEU THR GLU LYS SEQRES 4 B 171 ASP LEU LEU GLU ASP GLY PHE GLY GLU HIS PRO PHE TYR SEQRES 5 B 171 HIS CYS LEU VAL ALA GLU VAL PRO LYS GLU HIS TRP THR SEQRES 6 B 171 PRO GLU GLY HIS SER ILE VAL GLY PHE ALA MSE TYR TYR SEQRES 7 B 171 PHE THR TYR ASP PRO TRP ILE GLY LYS LEU LEU TYR LEU SEQRES 8 B 171 GLU ASP PHE PHE VAL MSE SER ASP TYR ARG GLY PHE GLY SEQRES 9 B 171 ILE GLY SER GLU ILE LEU LYS ASN LEU SER GLN VAL ALA SEQRES 10 B 171 MSE ARG CYS ARG CYS SER SER MSE HIS PHE LEU VAL ALA SEQRES 11 B 171 GLU TRP ASN GLU PRO SER ILE ASN PHE TYR LYS ARG ARG SEQRES 12 B 171 GLY ALA SER ASP LEU SER SER GLU GLU GLY TRP ARG LEU SEQRES 13 B 171 PHE LYS ILE ASP LYS GLU TYR LEU LEU LYS MSE ALA THR SEQRES 14 B 171 GLU GLU MODRES 2B3U MSE A 76 MET SELENOMETHIONINE MODRES 2B3U MSE A 97 MET SELENOMETHIONINE MODRES 2B3U MSE A 118 MET SELENOMETHIONINE MODRES 2B3U MSE A 125 MET SELENOMETHIONINE MODRES 2B3U MSE A 167 MET SELENOMETHIONINE MODRES 2B3U MSE B 30 MET SELENOMETHIONINE MODRES 2B3U MSE B 76 MET SELENOMETHIONINE MODRES 2B3U MSE B 97 MET SELENOMETHIONINE MODRES 2B3U MSE B 118 MET SELENOMETHIONINE MODRES 2B3U MSE B 125 MET SELENOMETHIONINE MODRES 2B3U MSE B 167 MET SELENOMETHIONINE HET MSE A 76 8 HET MSE A 97 8 HET MSE A 118 8 HET MSE A 125 8 HET MSE A 167 8 HET MSE B 30 8 HET MSE B 76 8 HET MSE B 97 8 HET MSE B 118 8 HET MSE B 125 8 HET MSE B 167 8 HET SO4 A 172 5 HET SO4 B 172 5 HETNAM MSE SELENOMETHIONINE HETNAM SO4 SULFATE ION FORMUL 1 MSE 11(C5 H11 N O2 SE) FORMUL 3 SO4 2(O4 S 2-) FORMUL 5 HOH *157(H2 O) HELIX 1 1 THR A 10 ALA A 12 5 3 HELIX 2 2 ASP A 13 ALA A 25 1 13 HELIX 3 3 THR A 37 PHE A 46 1 10 HELIX 4 4 PRO A 60 TRP A 64 5 5 HELIX 5 5 SER A 98 ARG A 101 5 4 HELIX 6 6 GLY A 104 ARG A 121 1 18 HELIX 7 7 ASN A 133 ARG A 142 1 10 HELIX 8 8 LEU A 148 GLY A 153 1 6 HELIX 9 9 LYS A 161 THR A 169 1 9 HELIX 10 10 THR B 10 ALA B 12 5 3 HELIX 11 11 ASP B 13 GLU B 28 1 16 HELIX 12 12 TYR B 29 VAL B 34 5 6 HELIX 13 13 LYS B 39 PHE B 46 1 8 HELIX 14 14 SER B 98 ARG B 101 5 4 HELIX 15 15 GLY B 104 CYS B 120 1 17 HELIX 16 16 ASN B 133 ARG B 142 1 10 HELIX 17 17 LEU B 148 GLY B 153 1 6 HELIX 18 18 LYS B 161 THR B 169 1 9 SHEET 1 A 7 VAL A 5 PRO A 8 0 SHEET 2 A 7 HIS A 53 GLU A 58 -1 O VAL A 56 N ARG A 7 SHEET 3 A 7 ILE A 71 ASP A 82 -1 O TYR A 77 N HIS A 53 SHEET 4 A 7 GLY A 86 VAL A 96 -1 O TYR A 90 N TYR A 78 SHEET 5 A 7 SER A 124 ALA A 130 1 O HIS A 126 N LEU A 91 SHEET 6 A 7 TRP B 154 ASP B 160 -1 O PHE B 157 N PHE A 127 SHEET 7 A 7 SER A 146 ASP A 147 -1 N SER A 146 O LYS B 158 SHEET 1 B 7 VAL B 5 PRO B 8 0 SHEET 2 B 7 HIS B 53 GLU B 58 -1 O GLU B 58 N VAL B 5 SHEET 3 B 7 ILE B 71 ASP B 82 -1 O TYR B 77 N HIS B 53 SHEET 4 B 7 GLY B 86 VAL B 96 -1 O TYR B 90 N TYR B 78 SHEET 5 B 7 SER B 124 ALA B 130 1 O HIS B 126 N LEU B 91 SHEET 6 B 7 TRP A 154 ASP A 160 -1 N PHE A 157 O PHE B 127 SHEET 7 B 7 SER B 146 ASP B 147 -1 O SER B 146 N LYS A 158 LINK C ALA A 75 N MSE A 76 1555 1555 1.33 LINK C MSE A 76 N TYR A 77 1555 1555 1.34 LINK C VAL A 96 N MSE A 97 1555 1555 1.33 LINK C MSE A 97 N SER A 98 1555 1555 1.34 LINK C ALA A 117 N MSE A 118 1555 1555 1.34 LINK C MSE A 118 N ARG A 119 1555 1555 1.34 LINK C SER A 124 N MSE A 125 1555 1555 1.33 LINK C MSE A 125 N HIS A 126 1555 1555 1.33 LINK C LYS A 166 N MSE A 167 1555 1555 1.34 LINK C MSE A 167 N ALA A 168 1555 1555 1.32 LINK C TYR B 29 N MSE B 30 1555 1555 1.33 LINK C MSE B 30 N GLU B 31 1555 1555 1.32 LINK C ALA B 75 N MSE B 76 1555 1555 1.32 LINK C MSE B 76 N TYR B 77 1555 1555 1.33 LINK C VAL B 96 N MSE B 97 1555 1555 1.34 LINK C MSE B 97 N SER B 98 1555 1555 1.32 LINK C ALA B 117 N MSE B 118 1555 1555 1.33 LINK C MSE B 118 N ARG B 119 1555 1555 1.32 LINK C SER B 124 N MSE B 125 1555 1555 1.34 LINK C MSE B 125 N HIS B 126 1555 1555 1.33 LINK C LYS B 166 N MSE B 167 1555 1555 1.33 LINK C MSE B 167 N ALA B 168 1555 1555 1.32 SITE 1 AC1 2 ARG B 142 ARG B 143 SITE 1 AC2 2 ARG A 142 ARG A 143 CRYST1 74.300 74.300 63.300 90.00 90.00 90.00 P 43 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 0.013459 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013459 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015798 0.00000