HEADER TRANSFERASE 25-NOV-16 5U0N TITLE CRYSTAL STRUCTURE OF A METHYLTRANSFERASE IN COMPLEX WITH THE SUBSTRATE TITLE 2 INVOLVED IN THE BIOSYNTHESIS OF GENTAMICIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: PUTATIVE GENTAMICIN METHYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MICROMONOSPORA ECHINOSPORA; SOURCE 3 ORGANISM_TAXID: 1877; SOURCE 4 GENE: GENN; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS METHYLTRANSFERASE, GENTAMICIN, SAH, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR P.BURY,F.HUANG,S.LI,Y.SUN,P.LEADLAY,M.V.B.DIAS REVDAT 6 04-OCT-23 5U0N 1 LINK REVDAT 5 01-JAN-20 5U0N 1 REMARK REVDAT 4 17-APR-19 5U0N 1 REMARK REVDAT 3 18-APR-18 5U0N 1 REMARK REVDAT 2 29-NOV-17 5U0N 1 JRNL REVDAT 1 01-NOV-17 5U0N 0 JRNL AUTH P.D.S.BURY,F.HUANG,S.LI,Y.SUN,P.F.LEADLAY,M.V.B.DIAS JRNL TITL STRUCTURAL BASIS OF THE SELECTIVITY OF GENN, AN JRNL TITL 2 AMINOGLYCOSIDE N-METHYLTRANSFERASE INVOLVED IN GENTAMICIN JRNL TITL 3 BIOSYNTHESIS. JRNL REF ACS CHEM. BIOL. V. 12 2779 2017 JRNL REFN ESSN 1554-8937 JRNL PMID 28876898 JRNL DOI 10.1021/ACSCHEMBIO.7B00466 REMARK 2 REMARK 2 RESOLUTION. 2.12 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX PHENIX.REFINE: 1.8.4_1496 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.12 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.54 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 3 NUMBER OF REFLECTIONS : 16081 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.169 REMARK 3 R VALUE (WORKING SET) : 0.166 REMARK 3 FREE R VALUE : 0.226 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.930 REMARK 3 FREE R VALUE TEST SET COUNT : 792 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.260 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 21.000 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.34 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 5U0N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-DEC-16. REMARK 100 THE DEPOSITION ID IS D_1000225118. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-OCT-15 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : LNLS REMARK 200 BEAMLINE : W01B-MX2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.45 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 2M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16081 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.115 REMARK 200 RESOLUTION RANGE LOW (A) : 48.540 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 200 DATA REDUNDANCY : 12.30 REMARK 200 R MERGE (I) : 0.22000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.5300 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: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 5U4T REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 32.70 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.83 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MAGNESIUM CHLORIDE, TRIS PH 8,0, PEG REMARK 280 3350, PEG 400, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 28.98750 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 34.98700 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.69250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 34.98700 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 28.98750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 33.69250 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 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 MET A -19 REMARK 465 GLY A -18 REMARK 465 SER A -17 REMARK 465 SER A -16 REMARK 465 HIS A -15 REMARK 465 HIS A -14 REMARK 465 HIS A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 SER A -9 REMARK 465 SER A -8 REMARK 465 GLY A -7 REMARK 465 LEU A -6 REMARK 465 VAL A -5 REMARK 465 PRO A -4 REMARK 465 ARG A -3 REMARK 465 GLY A -2 REMARK 465 SER A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 ASP A 309 REMARK 465 ALA A 310 REMARK 465 LEU A 311 REMARK 465 LEU A 312 REMARK 465 ASP A 313 REMARK 465 GLY A 314 REMARK 465 THR A 315 REMARK 465 ASP A 316 REMARK 465 ARG A 317 REMARK 465 LEU A 318 REMARK 465 LEU A 319 REMARK 465 ARG A 320 REMARK 465 GLY A 321 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ARG A 121 NE CZ NH1 NH2 REMARK 470 GLU A 203 CD OE1 OE2 REMARK 470 ARG A 303 CG CD NE CZ NH1 NH2 REMARK 470 TYR A 304 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 GLU A 306 CG CD OE1 OE2 REMARK 470 ASP A 307 CG OD1 OD2 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 506 O HOH A 596 1.79 REMARK 500 O ASP A 71 O HOH A 501 2.10 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 HIS A 86 46.69 39.83 REMARK 500 ASP A 107 118.53 -34.62 REMARK 500 LEU A 109 53.64 74.04 REMARK 500 MET A 180 -122.43 41.90 REMARK 500 ASN A 198 -97.01 -150.44 REMARK 500 ASP A 206 -167.81 -164.18 REMARK 500 TYR A 304 -91.26 -79.80 REMARK 500 GLU A 305 -73.08 53.17 REMARK 500 GLU A 306 48.22 -97.89 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 402 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 98 OE1 REMARK 620 2 ASP A 206 OD2 158.2 REMARK 620 3 HOH A 509 O 84.6 73.7 REMARK 620 4 HOH A 518 O 80.8 88.9 67.2 REMARK 620 5 HOH A 525 O 90.5 95.8 102.1 166.7 REMARK 620 N 1 2 3 4 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 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 7XP A 403 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5U0T RELATED DB: PDB REMARK 900 RELATED ID: 5U1I RELATED DB: PDB REMARK 900 RELATED ID: 5U1E RELATED DB: PDB REMARK 900 RELATED ID: 5U19 RELATED DB: PDB REMARK 900 RELATED ID: 5U18 RELATED DB: PDB DBREF 5U0N A 1 321 UNP Q2MG72 Q2MG72_MICEC 1 321 SEQADV 5U0N MET A -19 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N GLY A -18 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N SER A -17 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N SER A -16 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N HIS A -15 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N HIS A -14 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N HIS A -13 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N HIS A -12 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N HIS A -11 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N HIS A -10 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N SER A -9 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N SER A -8 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N GLY A -7 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N LEU A -6 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N VAL A -5 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N PRO A -4 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N ARG A -3 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N GLY A -2 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N SER A -1 UNP Q2MG72 EXPRESSION TAG SEQADV 5U0N HIS A 0 UNP Q2MG72 EXPRESSION TAG SEQRES 1 A 341 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 A 341 LEU VAL PRO ARG GLY SER HIS MET ILE VAL GLY GLY SER SEQRES 3 A 341 THR ILE GLN PRO GLU ARG VAL ASP ALA ALA ALA LEU ARG SEQRES 4 A 341 GLN LEU GLY ASP ALA MET ARG LYS VAL VAL GLY SER ALA SEQRES 5 A 341 ASP PRO THR PRO LEU ALA ASP LEU LEU SER GLY THR PRO SEQRES 6 A 341 VAL ASP PRO ASP GLU LEU THR ARG GLU VAL GLY ALA ASP SEQRES 7 A 341 GLY ARG GLN ALA LEU LEU ASP SER GLY MET ALA VAL ASP SEQRES 8 A 341 ASP GLY THR THR PHE SER SER PRO LEU ARG GLY HIS GLN SEQRES 9 A 341 LEU HIS GLY VAL VAL VAL LEU SER ASP PRO ASP VAL GLU SEQRES 10 A 341 GLU GLU VAL GLN HIS ARG TRP TYR VAL ASP PRO LEU TRP SEQRES 11 A 341 GLU ALA ASP LEU LEU ILE ARG LEU MET LEU ARG ARG GLY SEQRES 12 A 341 GLY ALA ARG ALA LEU ASP MET GLY CYS GLY SER GLY VAL SEQRES 13 A 341 LEU SER LEU VAL LEU ALA ASP ARG TYR GLU SER VAL LEU SEQRES 14 A 341 GLY VAL ASP VAL ASN PRO ARG ALA VAL ALA LEU SER ARG SEQRES 15 A 341 LEU ASN ALA ALA LEU ASN GLY LEU THR ASN VAL THR PHE SEQRES 16 A 341 ARG GLU GLY ASP MET PHE GLU PRO ALA GLU GLY ARG PHE SEQRES 17 A 341 SER ARG ILE VAL PHE ASN SER PRO THR ASN GLU GLU GLY SEQRES 18 A 341 ASN GLU PHE VAL ASP LEU LEU GLU ALA GLY GLU PRO ILE SEQRES 19 A 341 LEU GLU THR PHE PHE ARG ASN VAL PRO ARG LYS LEU GLU SEQRES 20 A 341 SER GLY GLY ILE VAL GLU VAL ASN LEU ALA MET ASN ASP SEQRES 21 A 341 TYR PRO GLY ASP PRO PHE ARG GLU ARG LEU ALA ASP TRP SEQRES 22 A 341 LEU GLY LEU THR GLU ASN GLY LEU ARG VAL GLN ILE PHE SEQRES 23 A 341 THR SER GLN ARG ARG ALA THR GLU SER GLY GLY GLU TRP SEQRES 24 A 341 LYS ARG GLY TRP LEU VAL VAL ALA PRO GLY PRO VAL GLY SEQRES 25 A 341 LEU THR GLU VAL GLU TRP PRO TYR HIS ASP ARG TYR GLU SEQRES 26 A 341 GLU ASP PRO ASP ALA LEU LEU ASP GLY THR ASP ARG LEU SEQRES 27 A 341 LEU ARG GLY HET SAH A 401 26 HET MG A 402 1 HET 7XP A 403 31 HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE HETNAM MG MAGNESIUM ION HETNAM 7XP (1R,2S,3S,4R,6S)-4,6-DIAMINO-3-[(3-AMINO-3-DEOXY-ALPHA- HETNAM 2 7XP D-XYLOPYRANOSYL)OXY]-2-HYDROXYCYCLOHEXYL 2-AMINO-2- HETNAM 3 7XP DEOXY-ALPHA-D-GLUCOPYRANOSIDE FORMUL 2 SAH C14 H20 N6 O5 S FORMUL 3 MG MG 2+ FORMUL 4 7XP C17 H34 N4 O10 FORMUL 5 HOH *119(H2 O) HELIX 1 AA1 GLN A 9 VAL A 13 5 5 HELIX 2 AA2 ASP A 14 VAL A 29 1 16 HELIX 3 AA3 THR A 35 LEU A 41 1 7 HELIX 4 AA4 ASP A 47 SER A 66 1 20 HELIX 5 AA5 GLU A 97 GLN A 101 5 5 HELIX 6 AA6 GLU A 111 MET A 119 1 9 HELIX 7 AA7 GLY A 135 ALA A 142 1 8 HELIX 8 AA8 ASN A 154 ASN A 168 1 15 HELIX 9 AA9 GLY A 211 LYS A 225 1 15 HELIX 10 AB1 PRO A 245 GLY A 255 1 11 HELIX 11 AB2 PRO A 299 TYR A 304 1 6 SHEET 1 AA1 2 VAL A 70 ASP A 71 0 SHEET 2 AA1 2 PHE A 76 SER A 77 -1 O SER A 77 N VAL A 70 SHEET 1 AA2 2 ARG A 81 LEU A 85 0 SHEET 2 AA2 2 VAL A 88 SER A 92 -1 O VAL A 88 N LEU A 85 SHEET 1 AA3 8 VAL A 173 GLU A 177 0 SHEET 2 AA3 8 TYR A 145 ASP A 152 1 N GLY A 150 O THR A 174 SHEET 3 AA3 8 GLY A 124 MET A 130 1 N ASP A 129 O LEU A 149 SHEET 4 AA3 8 PHE A 188 ASN A 194 1 O VAL A 192 N LEU A 128 SHEET 5 AA3 8 LEU A 226 ASP A 240 1 O GLU A 227 N PHE A 188 SHEET 6 AA3 8 GLU A 278 VAL A 286 -1 O LYS A 280 N MET A 238 SHEET 7 AA3 8 ARG A 262 ALA A 272 -1 N ARG A 271 O TRP A 279 SHEET 8 AA3 8 GLY A 292 GLU A 297 1 O THR A 294 N ILE A 265 LINK OE1 GLU A 98 MG MG A 402 1555 1555 2.07 LINK OD2 ASP A 206 MG MG A 402 1555 1555 2.11 LINK MG MG A 402 O HOH A 509 1555 1555 2.50 LINK MG MG A 402 O HOH A 518 1555 1555 2.55 LINK MG MG A 402 O HOH A 525 1555 1555 1.91 SITE 1 AC1 23 ASP A 107 GLY A 131 CYS A 132 GLY A 133 SITE 2 AC1 23 VAL A 136 ASP A 152 VAL A 153 GLY A 178 SITE 3 AC1 23 ASP A 179 MET A 180 ASN A 194 PRO A 196 SITE 4 AC1 23 LEU A 207 ILE A 214 7XP A 403 HOH A 506 SITE 5 AC1 23 HOH A 508 HOH A 541 HOH A 544 HOH A 549 SITE 6 AC1 23 HOH A 550 HOH A 558 HOH A 596 SITE 1 AC2 5 GLU A 98 ASP A 206 HOH A 509 HOH A 518 SITE 2 AC2 5 HOH A 525 SITE 1 AC3 22 ASP A 95 VAL A 96 GLU A 97 GLU A 98 SITE 2 AC3 22 GLN A 101 ASP A 107 TRP A 110 GLU A 111 SITE 3 AC3 22 ARG A 176 ASN A 194 SER A 195 PRO A 196 SITE 4 AC3 22 THR A 197 ASN A 198 LEU A 208 ASN A 235 SITE 5 AC3 22 ARG A 281 SAH A 401 HOH A 523 HOH A 538 SITE 6 AC3 22 HOH A 555 HOH A 571 CRYST1 57.975 67.385 69.974 90.00 90.00 90.00 P 21 21 21 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 0.017249 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014840 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014291 0.00000