HEADER TRANSFERASE 11-JAN-10 3LCU TITLE CRYSTAL STRUCTURE OF ANTIBIOTIC RELATED METHYLTRANSFERASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: SISOMICIN-GENTAMICIN RESISTANCE METHYLASE SGM; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: METHYLTRANSFERASE; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MICROMONOSPORA ZIONENSIS; SOURCE 3 ORGANISM_TAXID: 1879; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3) KEYWDS ANTIBIOTIC RESISTANCE, METHYLTRANSFERASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR J.SIVARAMAN,N.HUSAIN REVDAT 2 01-NOV-17 3LCU 1 REMARK REVDAT 1 02-JUN-10 3LCU 0 JRNL AUTH N.HUSAIN,K.L.TKACZUK,S.R.TULSIDAS,K.H.KAMINSKA,S.CUBRILO, JRNL AUTH 2 G.MARAVIC-VLAHOVICEK,J.M.BUJNICKI,J.SIVARAMAN JRNL TITL STRUCTURAL BASIS FOR THE METHYLATION OF G1405 IN 16S RRNA BY JRNL TITL 2 AMINOGLYCOSIDE RESISTANCE METHYLTRANSFERASE SGM FROM AN JRNL TITL 3 ANTIBIOTIC PRODUCER: A DIVERSITY OF ACTIVE SITES IN M7G JRNL TITL 4 METHYLTRANSFERASES. JRNL REF NUCLEIC ACIDS RES. 2010 JRNL REFN ESSN 1362-4962 JRNL PMID 20194115 JRNL DOI 10.1093/NAR/GKQ122 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 90.5 REMARK 3 NUMBER OF REFLECTIONS : 26514 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.205 REMARK 3 FREE R VALUE : 0.259 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.700 REMARK 3 FREE R VALUE TEST SET COUNT : 1679 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 : 2060 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 26 REMARK 3 SOLVENT ATOMS : 196 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.53 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.69700 REMARK 3 B22 (A**2) : 1.29500 REMARK 3 B33 (A**2) : -4.99200 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.91200 REMARK 3 B23 (A**2) : 0.00000 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 : 41.24 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : SAHNEW.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3LCU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 16-JAN-10. REMARK 100 THE DEPOSITION ID IS D_1000057119. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-JUN-08 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X8C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9785, 0.9798, 0.9600 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28242 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 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 (%) : 83.5 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: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.48 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: HANGING DROP, TEMPERATURE 298K 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 34.44550 REMARK 290 SMTRY3 2 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 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 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 HIS A -6 REMARK 465 HIS A -5 REMARK 465 HIS A -4 REMARK 465 HIS A -3 REMARK 465 HIS A -2 REMARK 465 HIS A -1 REMARK 465 HIS A 0 REMARK 465 MSE A 1 REMARK 465 THR A 2 REMARK 465 ALA A 3 REMARK 465 PRO A 4 REMARK 465 ALA A 5 REMARK 465 ALA A 6 REMARK 465 ASP A 7 REMARK 465 SER A 232 REMARK 465 LEU A 233 REMARK 465 GLY A 234 REMARK 465 GLN A 235 REMARK 465 ARG A 236 REMARK 465 SER A 237 REMARK 465 LYS A 238 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 PRO A 138 O ALA A 140 2.16 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 ASN A 127 N - CA - C ANGL. DEV. = -16.6 DEGREES REMARK 500 ALA A 140 N - CA - C ANGL. DEV. = -18.8 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 THR A 18 5.67 -62.05 REMARK 500 LYS A 19 93.89 -7.56 REMARK 500 ARG A 21 -104.87 87.45 REMARK 500 TYR A 61 -64.88 -134.49 REMARK 500 THR A 128 113.27 91.55 REMARK 500 ALA A 141 -45.07 145.46 REMARK 500 GLU A 185 -42.01 -145.25 REMARK 500 ASN A 266 37.33 -96.34 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 SAH A 6732 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3LCV RELATED DB: PDB DBREF 3LCU A 1 274 UNP Q7M0R2 Q7M0R2_9ACTO 1 274 SEQADV 3LCU HIS A -6 UNP Q7M0R2 EXPRESSION TAG SEQADV 3LCU HIS A -5 UNP Q7M0R2 EXPRESSION TAG SEQADV 3LCU HIS A -4 UNP Q7M0R2 EXPRESSION TAG SEQADV 3LCU HIS A -3 UNP Q7M0R2 EXPRESSION TAG SEQADV 3LCU HIS A -2 UNP Q7M0R2 EXPRESSION TAG SEQADV 3LCU HIS A -1 UNP Q7M0R2 EXPRESSION TAG SEQADV 3LCU HIS A 0 UNP Q7M0R2 EXPRESSION TAG SEQRES 1 A 281 HIS HIS HIS HIS HIS HIS HIS MSE THR ALA PRO ALA ALA SEQRES 2 A 281 ASP ASP ARG ILE ASP GLU ILE GLU ARG ALA ILE THR LYS SEQRES 3 A 281 SER ARG ARG TYR GLN THR VAL ALA PRO ALA THR VAL ARG SEQRES 4 A 281 ARG LEU ALA ARG ALA ALA LEU VAL ALA ALA ARG GLY ASP SEQRES 5 A 281 VAL PRO ASP ALA VAL LYS ARG THR LYS ARG GLY LEU HIS SEQRES 6 A 281 GLU ILE TYR GLY ALA PHE LEU PRO PRO SER PRO PRO ASN SEQRES 7 A 281 TYR ALA ALA LEU LEU ARG HIS LEU ASP SER ALA VAL ASP SEQRES 8 A 281 ALA GLY ASP ASP GLU ALA VAL ARG ALA ALA LEU LEU ARG SEQRES 9 A 281 ALA MSE SER VAL HIS ILE SER THR ARG GLU ARG LEU PRO SEQRES 10 A 281 HIS LEU ASP GLU PHE TYR ARG GLU LEU PHE ARG HIS LEU SEQRES 11 A 281 PRO ARG PRO ASN THR LEU ARG ASP LEU ALA CYS GLY LEU SEQRES 12 A 281 ASN PRO LEU ALA ALA PRO TRP MSE GLY LEU PRO ALA GLU SEQRES 13 A 281 THR VAL TYR ILE ALA SER ASP ILE ASP ALA ARG LEU VAL SEQRES 14 A 281 GLY PHE VAL ASP GLU ALA LEU THR ARG LEU ASN VAL PRO SEQRES 15 A 281 HIS ARG THR ASN VAL ALA ASP LEU LEU GLU ASP ARG LEU SEQRES 16 A 281 ASP GLU PRO ALA ASP VAL THR LEU LEU LEU LYS THR LEU SEQRES 17 A 281 PRO CYS LEU GLU THR GLN GLN ARG GLY SER GLY TRP GLU SEQRES 18 A 281 VAL ILE ASP ILE VAL ASN SER PRO ASN ILE VAL VAL THR SEQRES 19 A 281 PHE PRO THR LYS SER LEU GLY GLN ARG SER LYS GLY MSE SEQRES 20 A 281 PHE GLN ASN TYR SER GLN SER PHE GLU SER GLN ALA ARG SEQRES 21 A 281 GLU ARG SER CYS ARG ILE GLN ARG LEU GLU ILE GLY ASN SEQRES 22 A 281 GLU LEU ILE TYR VAL ILE GLN LYS MODRES 3LCU MSE A 99 MET SELENOMETHIONINE MODRES 3LCU MSE A 144 MET SELENOMETHIONINE MODRES 3LCU MSE A 240 MET SELENOMETHIONINE HET MSE A 99 8 HET MSE A 144 8 HET MSE A 240 8 HET SAH A6732 26 HETNAM MSE SELENOMETHIONINE HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE FORMUL 1 MSE 3(C5 H11 N O2 SE) FORMUL 2 SAH C14 H20 N6 O5 S FORMUL 3 HOH *196(H2 O) HELIX 1 1 ASP A 8 THR A 18 1 11 HELIX 2 2 ALA A 27 ALA A 42 1 16 HELIX 3 3 ASP A 45 TYR A 61 1 17 HELIX 4 4 ASN A 71 ALA A 85 1 15 HELIX 5 5 ASP A 87 SER A 100 1 14 HELIX 6 6 HIS A 102 GLU A 107 1 6 HELIX 7 7 ARG A 108 PRO A 110 5 3 HELIX 8 8 HIS A 111 PHE A 120 1 10 HELIX 9 9 ARG A 121 LEU A 123 5 3 HELIX 10 10 LEU A 136 ALA A 140 5 5 HELIX 11 11 ASP A 158 LEU A 172 1 15 HELIX 12 12 THR A 200 GLN A 208 1 9 HELIX 13 13 GLY A 210 VAL A 219 1 10 HELIX 14 14 GLY A 239 GLU A 254 1 16 SHEET 1 A 7 HIS A 176 VAL A 180 0 SHEET 2 A 7 TYR A 152 ASP A 156 1 N ALA A 154 O ASN A 179 SHEET 3 A 7 LEU A 129 ASP A 131 1 N LEU A 129 O ILE A 153 SHEET 4 A 7 VAL A 194 LEU A 197 1 O LEU A 196 N ARG A 130 SHEET 5 A 7 ASN A 223 PRO A 229 1 O VAL A 225 N LEU A 197 SHEET 6 A 7 GLU A 267 GLN A 273 -1 O ILE A 272 N ILE A 224 SHEET 7 A 7 ARG A 258 ILE A 264 -1 N LEU A 262 O ILE A 269 LINK C ALA A 98 N MSE A 99 1555 1555 1.33 LINK C MSE A 99 N SER A 100 1555 1555 1.33 LINK C TRP A 143 N MSE A 144 1555 1555 1.33 LINK C MSE A 144 N GLY A 145 1555 1555 1.33 LINK C GLY A 239 N MSE A 240 1555 1555 1.33 LINK C MSE A 240 N PHE A 241 1555 1555 1.33 SITE 1 AC1 19 ILE A 60 TYR A 61 HIS A 102 SER A 104 SITE 2 AC1 19 THR A 105 ARG A 108 ALA A 133 CYS A 134 SITE 3 AC1 19 ASP A 156 ILE A 157 ALA A 181 ASP A 182 SITE 4 AC1 19 LEU A 183 LEU A 198 LYS A 199 GLN A 207 SITE 5 AC1 19 HOH A 280 HOH A 447 HOH A 470 CRYST1 36.087 68.891 52.201 90.00 93.47 90.00 P 1 21 1 2 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 0.027711 0.000000 0.001680 0.00000 SCALE2 0.000000 0.014516 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019192 0.00000