HEADER RNA BINDING PROTEIN 28-APR-23 8OWX TITLE CRYSTAL STRUCTURE OF METTL6 BOUND TO SAH COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRNA N(3)-METHYLCYTIDINE METHYLTRANSFERASE METTL6; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: METHYLTRANSFERASE-LIKE PROTEIN 6,HMETTL6; COMPND 5 EC: 2.1.1.-; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: METTL6; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TRNA MODIFICATION, M3C, METHYLTRANSFERASE, RNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR P.THROLL,S.BASU,L.G.DOLCE,E.KOWALINSKI REVDAT 2 03-JUL-24 8OWX 1 JRNL REVDAT 1 08-MAY-24 8OWX 0 JRNL AUTH P.THROLL,L.G.DOLCE,P.RICO-LASTRES,K.ARNOLD,L.TENGO,S.BASU, JRNL AUTH 2 S.KAISER,R.SCHNEIDER,E.KOWALINSKI JRNL TITL STRUCTURAL BASIS OF TRNA RECOGNITION BY THE M3C RNA JRNL TITL 2 METHYLTRANSFERASE METTL6 IN COMPLEX WITH SERRS SERYL-TRNA JRNL TITL 3 SYNTHETASE JRNL REF NAT.STRUCT.MOL.BIOL. 2024 JRNL REFN ESSN 1545-9985 JRNL DOI 10.1038/S41594-024-01341-3 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.16_3549 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) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.43 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.1 REMARK 3 NUMBER OF REFLECTIONS : 26552 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.220 REMARK 3 R VALUE (WORKING SET) : 0.217 REMARK 3 FREE R VALUE : 0.250 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.400 REMARK 3 FREE R VALUE TEST SET COUNT : 3820 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 41.4300 - 7.7900 0.99 1801 149 0.1605 0.2024 REMARK 3 2 7.7900 - 6.1888 1.00 1838 141 0.2035 0.2131 REMARK 3 3 6.1888 - 5.4081 1.00 1831 147 0.2140 0.2482 REMARK 3 4 5.4081 - 4.9144 1.00 1830 138 0.1952 0.1978 REMARK 3 5 4.9144 - 4.5626 1.00 1815 152 0.1642 0.2077 REMARK 3 6 4.5626 - 4.2938 1.00 1818 144 0.1797 0.2022 REMARK 3 7 4.2938 - 4.0789 1.00 1842 144 0.1785 0.2048 REMARK 3 8 4.0789 - 3.9015 1.00 1825 143 0.1942 0.2367 REMARK 3 9 3.9015 - 3.7514 1.00 1821 150 0.2040 0.2515 REMARK 3 10 3.7514 - 3.6220 1.00 1811 150 0.2195 0.2602 REMARK 3 11 3.6220 - 3.5088 1.00 1837 150 0.2218 0.3139 REMARK 3 12 3.5088 - 3.4085 1.00 1857 149 0.2390 0.3000 REMARK 3 13 3.4085 - 3.3188 1.00 1772 146 0.2691 0.2905 REMARK 3 14 3.3188 - 3.2379 1.00 1864 142 0.2526 0.3176 REMARK 3 15 3.2379 - 3.1643 1.00 1803 150 0.2842 0.3303 REMARK 3 16 3.1643 - 3.0970 1.00 1802 148 0.2995 0.3216 REMARK 3 17 3.0970 - 3.0351 1.00 1872 146 0.2992 0.3224 REMARK 3 18 3.0351 - 2.9778 1.00 1802 148 0.3025 0.3265 REMARK 3 19 2.9778 - 2.9246 1.00 1811 142 0.3038 0.3411 REMARK 3 20 2.9246 - 2.8751 1.00 1826 154 0.3438 0.3131 REMARK 3 21 2.8751 - 2.8287 1.00 1845 140 0.3532 0.3909 REMARK 3 22 2.8287 - 2.7852 0.99 1805 144 0.3673 0.4015 REMARK 3 23 2.7852 - 2.7442 1.00 1848 145 0.3676 0.3740 REMARK 3 24 2.7442 - 2.7056 0.99 1764 141 0.3503 0.3542 REMARK 3 25 2.7056 - 2.6690 0.96 1741 139 0.3519 0.3487 REMARK 3 26 2.6690 - 2.6344 0.85 1581 120 0.3851 0.3329 REMARK 3 27 2.6344 - 2.6014 0.42 744 58 0.4191 0.4892 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) : 0.530 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 31.110 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 80.78 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 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 : 0.012 4100 REMARK 3 ANGLE : 1.848 5540 REMARK 3 CHIRALITY : 0.115 593 REMARK 3 PLANARITY : 0.014 712 REMARK 3 DIHEDRAL : 17.741 1540 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 8OWX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 03-MAY-23. REMARK 100 THE DEPOSITION ID IS D_1292130194. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-SEP-21 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : MASSIF-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9801 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 20210205 REMARK 200 DATA SCALING SOFTWARE : XSCALE 20210205 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26988 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 41.430 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.4 REMARK 200 DATA REDUNDANCY : 13.60 REMARK 200 R MERGE (I) : 0.20060 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.4300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.69 REMARK 200 COMPLETENESS FOR SHELL (%) : 83.6 REMARK 200 DATA REDUNDANCY IN SHELL : 13.30 REMARK 200 R MERGE FOR SHELL (I) : 4.80000 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: PHENIX 1.16_3549 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 68.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M BISTRIS PROPANE PH 6.5, 0.2 M REMARK 280 SODIUM SULFATE, 20 % PEG3350, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293.15K 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 65.19500 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 97.79250 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 32.59750 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 GLY A -3 REMARK 465 PRO A -2 REMARK 465 ASP A -1 REMARK 465 SER A 0 REMARK 465 MET A 1 REMARK 465 ALA A 2 REMARK 465 SER A 3 REMARK 465 LEU A 4 REMARK 465 GLN A 5 REMARK 465 ARG A 6 REMARK 465 LYS A 7 REMARK 465 GLY A 8 REMARK 465 LEU A 9 REMARK 465 GLN A 10 REMARK 465 ALA A 11 REMARK 465 ARG A 12 REMARK 465 ILE A 13 REMARK 465 LEU A 14 REMARK 465 THR A 15 REMARK 465 SER A 16 REMARK 465 GLU A 17 REMARK 465 GLU A 18 REMARK 465 GLU A 19 REMARK 465 GLU A 20 REMARK 465 LYS A 21 REMARK 465 LEU A 22 REMARK 465 LYS A 23 REMARK 465 ARG A 24 REMARK 465 ASP A 25 REMARK 465 GLN A 26 REMARK 465 THR A 27 REMARK 465 LEU A 28 REMARK 465 PHE A 56 REMARK 465 PHE A 57 REMARK 465 LYS A 58 REMARK 465 ASP A 59 REMARK 465 ARG A 60 REMARK 465 ASN A 250 REMARK 465 LYS A 251 REMARK 465 LYS A 252 REMARK 465 GLU A 253 REMARK 465 GLY A 254 REMARK 465 GLY B -3 REMARK 465 PRO B -2 REMARK 465 ASP B -1 REMARK 465 SER B 0 REMARK 465 MET B 1 REMARK 465 ALA B 2 REMARK 465 SER B 3 REMARK 465 LEU B 4 REMARK 465 GLN B 5 REMARK 465 ARG B 6 REMARK 465 LYS B 7 REMARK 465 GLY B 8 REMARK 465 LEU B 9 REMARK 465 GLN B 10 REMARK 465 ALA B 11 REMARK 465 ARG B 12 REMARK 465 ILE B 13 REMARK 465 LEU B 14 REMARK 465 THR B 15 REMARK 465 PHE B 57 REMARK 465 LYS B 58 REMARK 465 ASP B 59 REMARK 465 ARG B 60 REMARK 465 HIS B 61 REMARK 465 TRP B 62 REMARK 465 ASN B 250 REMARK 465 LYS B 251 REMARK 465 LYS B 252 REMARK 465 GLU B 253 REMARK 465 GLY B 254 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 LYS A 120 CG CD CE NZ REMARK 470 LEU A 255 CG CD1 CD2 REMARK 470 LYS A 271 CG CD CE NZ REMARK 470 LYS B 50 CG CD CE NZ REMARK 470 GLU B 77 CG CD OE1 OE2 REMARK 470 GLU B 208 CG CD OE1 OE2 REMARK 470 GLU B 247 CG CD OE1 OE2 REMARK 470 LEU B 255 CG CD1 CD2 REMARK 470 LYS B 271 CG CD CE NZ 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 ASP A 31 -127.38 54.37 REMARK 500 LEU A 156 73.29 -101.59 REMARK 500 VAL A 239 -73.86 -94.79 REMARK 500 VAL B 239 -67.31 -136.54 REMARK 500 REMARK 500 REMARK: NULL DBREF 8OWX A 1 271 UNP Q8TCB7 METL6_HUMAN 1 271 DBREF 8OWX B 1 271 UNP Q8TCB7 METL6_HUMAN 1 271 SEQADV 8OWX GLY A -3 UNP Q8TCB7 EXPRESSION TAG SEQADV 8OWX PRO A -2 UNP Q8TCB7 EXPRESSION TAG SEQADV 8OWX ASP A -1 UNP Q8TCB7 EXPRESSION TAG SEQADV 8OWX SER A 0 UNP Q8TCB7 EXPRESSION TAG SEQADV 8OWX GLY B -3 UNP Q8TCB7 EXPRESSION TAG SEQADV 8OWX PRO B -2 UNP Q8TCB7 EXPRESSION TAG SEQADV 8OWX ASP B -1 UNP Q8TCB7 EXPRESSION TAG SEQADV 8OWX SER B 0 UNP Q8TCB7 EXPRESSION TAG SEQRES 1 A 275 GLY PRO ASP SER MET ALA SER LEU GLN ARG LYS GLY LEU SEQRES 2 A 275 GLN ALA ARG ILE LEU THR SER GLU GLU GLU GLU LYS LEU SEQRES 3 A 275 LYS ARG ASP GLN THR LEU VAL SER ASP PHE LYS GLN GLN SEQRES 4 A 275 LYS LEU GLU GLN GLU ALA GLN LYS ASN TRP ASP LEU PHE SEQRES 5 A 275 TYR LYS ARG ASN SER THR ASN PHE PHE LYS ASP ARG HIS SEQRES 6 A 275 TRP THR THR ARG GLU PHE GLU GLU LEU ARG SER CYS ARG SEQRES 7 A 275 GLU PHE GLU ASP GLN LYS LEU THR MET LEU GLU ALA GLY SEQRES 8 A 275 CYS GLY VAL GLY ASN CYS LEU PHE PRO LEU LEU GLU GLU SEQRES 9 A 275 ASP PRO ASN ILE PHE ALA TYR ALA CYS ASP PHE SER PRO SEQRES 10 A 275 ARG ALA ILE GLU TYR VAL LYS GLN ASN PRO LEU TYR ASP SEQRES 11 A 275 THR GLU ARG CYS LYS VAL PHE GLN CYS ASP LEU THR LYS SEQRES 12 A 275 ASP ASP LEU LEU ASP HIS VAL PRO PRO GLU SER VAL ASP SEQRES 13 A 275 VAL VAL MET LEU ILE PHE VAL LEU SER ALA VAL HIS PRO SEQRES 14 A 275 ASP LYS MET HIS LEU VAL LEU GLN ASN ILE TYR LYS VAL SEQRES 15 A 275 LEU LYS PRO GLY LYS SER VAL LEU PHE ARG ASP TYR GLY SEQRES 16 A 275 LEU TYR ASP HIS ALA MET LEU ARG PHE LYS ALA SER SER SEQRES 17 A 275 LYS LEU GLY GLU ASN PHE TYR VAL ARG GLN ASP GLY THR SEQRES 18 A 275 ARG SER TYR PHE PHE THR ASP ASP PHE LEU ALA GLN LEU SEQRES 19 A 275 PHE MET ASP THR GLY TYR GLU GLU VAL VAL ASN GLU TYR SEQRES 20 A 275 VAL PHE ARG GLU THR VAL ASN LYS LYS GLU GLY LEU CYS SEQRES 21 A 275 VAL PRO ARG VAL PHE LEU GLN SER LYS PHE LEU LYS PRO SEQRES 22 A 275 PRO LYS SEQRES 1 B 275 GLY PRO ASP SER MET ALA SER LEU GLN ARG LYS GLY LEU SEQRES 2 B 275 GLN ALA ARG ILE LEU THR SER GLU GLU GLU GLU LYS LEU SEQRES 3 B 275 LYS ARG ASP GLN THR LEU VAL SER ASP PHE LYS GLN GLN SEQRES 4 B 275 LYS LEU GLU GLN GLU ALA GLN LYS ASN TRP ASP LEU PHE SEQRES 5 B 275 TYR LYS ARG ASN SER THR ASN PHE PHE LYS ASP ARG HIS SEQRES 6 B 275 TRP THR THR ARG GLU PHE GLU GLU LEU ARG SER CYS ARG SEQRES 7 B 275 GLU PHE GLU ASP GLN LYS LEU THR MET LEU GLU ALA GLY SEQRES 8 B 275 CYS GLY VAL GLY ASN CYS LEU PHE PRO LEU LEU GLU GLU SEQRES 9 B 275 ASP PRO ASN ILE PHE ALA TYR ALA CYS ASP PHE SER PRO SEQRES 10 B 275 ARG ALA ILE GLU TYR VAL LYS GLN ASN PRO LEU TYR ASP SEQRES 11 B 275 THR GLU ARG CYS LYS VAL PHE GLN CYS ASP LEU THR LYS SEQRES 12 B 275 ASP ASP LEU LEU ASP HIS VAL PRO PRO GLU SER VAL ASP SEQRES 13 B 275 VAL VAL MET LEU ILE PHE VAL LEU SER ALA VAL HIS PRO SEQRES 14 B 275 ASP LYS MET HIS LEU VAL LEU GLN ASN ILE TYR LYS VAL SEQRES 15 B 275 LEU LYS PRO GLY LYS SER VAL LEU PHE ARG ASP TYR GLY SEQRES 16 B 275 LEU TYR ASP HIS ALA MET LEU ARG PHE LYS ALA SER SER SEQRES 17 B 275 LYS LEU GLY GLU ASN PHE TYR VAL ARG GLN ASP GLY THR SEQRES 18 B 275 ARG SER TYR PHE PHE THR ASP ASP PHE LEU ALA GLN LEU SEQRES 19 B 275 PHE MET ASP THR GLY TYR GLU GLU VAL VAL ASN GLU TYR SEQRES 20 B 275 VAL PHE ARG GLU THR VAL ASN LYS LYS GLU GLY LEU CYS SEQRES 21 B 275 VAL PRO ARG VAL PHE LEU GLN SER LYS PHE LEU LYS PRO SEQRES 22 B 275 PRO LYS HET SAH A 301 26 HET B3P A 302 19 HET SAH B 301 26 HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE HETNAM B3P 2-[3-(2-HYDROXY-1,1-DIHYDROXYMETHYL-ETHYLAMINO)- HETNAM 2 B3P PROPYLAMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL FORMUL 3 SAH 2(C14 H20 N6 O5 S) FORMUL 4 B3P C11 H26 N2 O6 HELIX 1 AA1 ASP A 31 GLU A 40 1 10 HELIX 2 AA2 GLU A 40 ASN A 52 1 13 HELIX 3 AA3 THR A 63 SER A 72 1 10 HELIX 4 AA4 CYS A 93 ASP A 101 1 9 HELIX 5 AA5 SER A 112 ASN A 122 1 11 HELIX 6 AA6 ASP A 141 HIS A 145 5 5 HELIX 7 AA7 HIS A 164 ASP A 166 5 3 HELIX 8 AA8 LYS A 167 LYS A 177 1 11 HELIX 9 AA9 ASP A 194 PHE A 200 1 7 HELIX 10 AB1 THR A 223 THR A 234 1 12 HELIX 11 AB2 GLU B 17 GLU B 40 1 24 HELIX 12 AB3 GLU B 40 ASN B 52 1 13 HELIX 13 AB4 THR B 64 ARG B 74 1 11 HELIX 14 AB5 LEU B 94 ASP B 101 1 8 HELIX 15 AB6 SER B 112 GLN B 121 1 10 HELIX 16 AB7 ASP B 141 HIS B 145 5 5 HELIX 17 AB8 VAL B 159 VAL B 163 5 5 HELIX 18 AB9 LYS B 167 VAL B 178 1 12 HELIX 19 AC1 ASP B 194 PHE B 200 1 7 HELIX 20 AC2 THR B 223 THR B 234 1 12 SHEET 1 AA1 7 CYS A 130 GLN A 134 0 SHEET 2 AA1 7 ILE A 104 ASP A 110 1 N ALA A 108 O LYS A 131 SHEET 3 AA1 7 LEU A 81 ALA A 86 1 N MET A 83 O PHE A 105 SHEET 4 AA1 7 VAL A 151 ILE A 157 1 O ASP A 152 N THR A 82 SHEET 5 AA1 7 LEU A 179 TYR A 190 1 O LEU A 186 N VAL A 154 SHEET 6 AA1 7 ARG A 259 LEU A 267 -1 O SER A 264 N PHE A 187 SHEET 7 AA1 7 GLU A 237 ARG A 246 -1 N VAL A 240 O LYS A 265 SHEET 1 AA2 3 LYS A 205 GLY A 207 0 SHEET 2 AA2 3 PHE A 210 VAL A 212 -1 O PHE A 210 N GLY A 207 SHEET 3 AA2 3 ARG A 218 TYR A 220 -1 O SER A 219 N TYR A 211 SHEET 1 AA3 7 CYS B 130 GLN B 134 0 SHEET 2 AA3 7 ILE B 104 ASP B 110 1 N ALA B 108 O LYS B 131 SHEET 3 AA3 7 LEU B 81 ALA B 86 1 N LEU B 81 O PHE B 105 SHEET 4 AA3 7 VAL B 151 ILE B 157 1 O MET B 155 N LEU B 84 SHEET 5 AA3 7 LEU B 179 TYR B 190 1 O LEU B 186 N LEU B 156 SHEET 6 AA3 7 VAL B 257 LEU B 267 -1 O PHE B 266 N VAL B 185 SHEET 7 AA3 7 GLU B 237 THR B 248 -1 N ARG B 246 O ARG B 259 SHEET 1 AA4 3 LYS B 205 GLY B 207 0 SHEET 2 AA4 3 PHE B 210 VAL B 212 -1 O PHE B 210 N LEU B 206 SHEET 3 AA4 3 ARG B 218 TYR B 220 -1 O SER B 219 N TYR B 211 CRYST1 82.856 82.856 130.390 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 0.012069 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012069 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007669 0.00000