HEADER TRANSFERASE 07-JUL-21 7RC5 TITLE AERONAMIDE N-METHYLTRANSFERASE, AERE (N231A) COMPND MOL_ID: 1; COMPND 2 MOLECULE: METHYLTRANSFERASE FAMILY PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MICROVIRGULA AERODENITRIFICANS DSM 15089; SOURCE 3 ORGANISM_TAXID: 1122240; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) KEYWDS SAM-DEPENDENT, PEPTIDE CYTOTOXIN, PROTEUSIN, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR D.P.COGAN,R.REYES,S.K.NAIR REVDAT 2 18-OCT-23 7RC5 1 REMARK REVDAT 1 30-MAR-22 7RC5 0 JRNL AUTH D.P.COGAN,A.BHUSHAN,R.REYES,L.ZHU,J.PIEL,S.K.NAIR JRNL TITL STRUCTURE AND MECHANISM FOR ITERATIVE AMIDE N -METHYLATION JRNL TITL 2 IN THE BIOSYNTHESIS OF CHANNEL-FORMING PEPTIDE CYTOTOXINS. JRNL REF PROC.NATL.ACAD.SCI.USA V. 119 78119 2022 JRNL REFN ESSN 1091-6490 JRNL PMID 35316135 JRNL DOI 10.1073/PNAS.2116578119 REMARK 2 REMARK 2 RESOLUTION. 1.88 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.19.2_4158 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) : 1.88 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.28 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 80.9 REMARK 3 NUMBER OF REFLECTIONS : 35626 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.189 REMARK 3 R VALUE (WORKING SET) : 0.188 REMARK 3 FREE R VALUE : 0.221 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.850 REMARK 3 FREE R VALUE TEST SET COUNT : 1729 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 50.2800 - 4.2900 0.99 3677 200 0.1936 0.2363 REMARK 3 2 4.2900 - 3.4100 0.94 3356 173 0.1746 0.2074 REMARK 3 3 3.4100 - 2.9800 1.00 3487 184 0.1927 0.2260 REMARK 3 4 2.9800 - 2.7000 1.00 3530 150 0.2030 0.2092 REMARK 3 5 2.7000 - 2.5100 0.85 2976 145 0.1745 0.2197 REMARK 3 6 2.5100 - 2.3600 1.00 3497 146 0.1832 0.1782 REMARK 3 7 2.3600 - 2.2400 1.00 3446 198 0.1712 0.1919 REMARK 3 8 2.2400 - 2.1500 1.00 3453 189 0.1779 0.2082 REMARK 3 9 2.1500 - 2.1000 1.00 1936 97 0.1815 0.2355 REMARK 3 10 2.0400 - 1.9900 0.99 2359 133 0.2107 0.2722 REMARK 3 11 1.9900 - 1.9800 0.98 680 24 0.2327 0.2269 REMARK 3 12 1.9000 - 1.8800 0.99 1500 90 0.2793 0.3730 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) : 0.190 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 25.480 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.65 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 7RC5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-JUL-21. REMARK 100 THE DEPOSITION ID IS D_1000257990. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-NOV-18 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 : APS REMARK 200 BEAMLINE : 21-ID-G REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97856 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX-300 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 35665 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.876 REMARK 200 RESOLUTION RANGE LOW (A) : 67.133 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 81.0 REMARK 200 DATA REDUNDANCY : 17.50 REMARK 200 R MERGE (I) : 0.10400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 18.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.88 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.91 REMARK 200 COMPLETENESS FOR SHELL (%) : 74.1 REMARK 200 DATA REDUNDANCY IN SHELL : 11.60 REMARK 200 R MERGE FOR SHELL (I) : 1.55000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.800 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: 7RC2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.79 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.14 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 35% PEG 300, 0.1 M SODIUM CACODYLATE REMARK 280 PH 6.5, 0.2 M CALCIUM ACETATE, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 282K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 101.19600 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 50.59800 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 50.59800 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 101.19600 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 620 LIES ON A SPECIAL POSITION. 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 1 REMARK 465 ASP A 377 REMARK 465 PRO A 378 REMARK 465 LEU A 379 REMARK 465 PRO A 380 REMARK 465 GLY A 381 REMARK 465 ALA A 382 REMARK 465 GLY A 383 REMARK 465 THR A 384 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 ASP A 220 CG OD1 OD2 REMARK 470 ARG A 222 CG CD NE CZ NH1 NH2 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 MET A 297 N CA C O 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 684 O HOH A 688 2.12 REMARK 500 O HOH A 691 O HOH A 705 2.15 REMARK 500 O HOH A 672 O HOH A 704 2.17 REMARK 500 O HOH A 573 O HOH A 692 2.19 REMARK 500 REMARK 500 REMARK: NULL 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 593 O HOH A 680 4645 2.10 REMARK 500 O HOH A 525 O HOH A 681 4655 2.18 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 ALA A 30 155.64 71.47 REMARK 500 ALA A 109 -130.89 -104.84 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 CA A 402 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ILE A 28 O REMARK 620 2 PGE A 403 O4 91.7 REMARK 620 3 PGE A 403 O3 85.6 62.6 REMARK 620 4 PGE A 403 O2 109.8 126.0 70.2 REMARK 620 5 HOH A 523 O 85.0 51.0 112.3 165.2 REMARK 620 6 HOH A 675 O 100.6 104.4 166.0 118.3 56.4 REMARK 620 N 1 2 3 4 5 DBREF1 7RC5 A 1 384 UNP A0A329B7M1_9NEIS DBREF2 7RC5 A A0A329B7M1 1 384 SEQADV 7RC5 ALA A 231 UNP A0A329B7M ASN 231 ENGINEERED MUTATION SEQRES 1 A 384 MET THR PRO PRO LEU ALA THR THR ILE ASP ARG LEU ARG SEQRES 2 A 384 ASP TYR LEU ASP ARG VAL GLY PHE GLN GLN ILE TYR LYS SEQRES 3 A 384 TYR ILE VAL ALA VAL ASN HIS TYR ALA VAL THR PRO ALA SEQRES 4 A 384 LEU ILE THR ARG ASN THR ALA ALA SER VAL HIS HIS PHE SEQRES 5 A 384 PHE ASP SER ARG LEU GLY GLY ARG ALA GLU PHE ALA LEU SEQRES 6 A 384 LEU GLN CYS LEU MET THR GLY ARG PRO ALA GLU HIS ALA SEQRES 7 A 384 ALA LEU PRO ASP LYS ASP ARG ALA LEU ALA ASP ALA LEU SEQRES 8 A 384 VAL THR ALA GLY LEU LEU ARG ALA SER PRO ASP GLY ARG SEQRES 9 A 384 GLU VAL SER GLY ALA ASP ARG GLN LEU ILE SER ALA PHE SEQRES 10 A 384 GLY VAL ASP LEU LEU ILE ASP ARG ARG ILE HIS PHE GLY SEQRES 11 A 384 GLY GLU VAL HIS GLU VAL TYR ILE GLY PRO ASP SER TYR SEQRES 12 A 384 TRP MET LEU TYR TYR ILE ASN ALA SER GLY ILE ALA ARG SEQRES 13 A 384 THR HIS ARG ALA VAL ASP LEU CYS THR GLY SER GLY ILE SEQRES 14 A 384 ALA ALA LEU TYR LEU SER LEU PHE THR ASP HIS VAL LEU SEQRES 15 A 384 ALA THR ASP ILE GLY ASP VAL PRO LEU ALA LEU VAL GLU SEQRES 16 A 384 ILE ASN ARG ARG LEU ASN ARG ARG ASP ALA GLY THR MET SEQRES 17 A 384 GLU ILE ARG ARG GLU ASN LEU ASN ASP THR LEU ASP GLY SEQRES 18 A 384 ARG GLU ARG PHE ASP LEU LEU THR CYS ALA PRO PRO PHE SEQRES 19 A 384 VAL ALA PHE PRO PRO GLY TYR SER GLY THR LEU TYR SER SEQRES 20 A 384 GLN GLY THR GLY VAL ASP GLY LEU GLY TYR MET ARG ASP SEQRES 21 A 384 ILE VAL GLY ARG LEU PRO GLU VAL LEU ASN PRO GLY GLY SEQRES 22 A 384 SER ALA TYR LEU VAL ALA ASP LEU CYS GLY ASP ALA HIS SEQRES 23 A 384 GLY PRO HIS PHE LEU GLY GLU LEU GLU SER MET VAL THR SEQRES 24 A 384 GLY HIS GLY MET ARG ILE GLU ALA PHE ILE ASP HIS VAL SEQRES 25 A 384 LEU PRO ALA SER ALA GLN VAL GLY PRO ILE SER ASP PHE SEQRES 26 A 384 LEU ARG HIS ALA ALA GLY LEU PRO ALA ASP THR ASP ILE SEQRES 27 A 384 ALA ALA ASP VAL GLN ALA PHE GLN ARG GLU THR LEU ARG SEQRES 28 A 384 ALA ASP TYR TYR TYR LEU THR THR ILE ARG LEU GLN THR SEQRES 29 A 384 ALA ALA GLN ASN PRO GLY LEU ARG MET LEU ARG ARG ASP SEQRES 30 A 384 PRO LEU PRO GLY ALA GLY THR HET SAH A 401 26 HET CA A 402 1 HET PGE A 403 10 HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE HETNAM CA CALCIUM ION HETNAM PGE TRIETHYLENE GLYCOL FORMUL 2 SAH C14 H20 N6 O5 S FORMUL 3 CA CA 2+ FORMUL 4 PGE C6 H14 O4 FORMUL 5 HOH *213(H2 O) HELIX 1 AA1 THR A 2 VAL A 19 1 18 HELIX 2 AA2 GLY A 20 ALA A 30 1 11 HELIX 3 AA3 THR A 45 ARG A 56 1 12 HELIX 4 AA4 ARG A 60 GLU A 62 5 3 HELIX 5 AA5 PHE A 63 THR A 71 1 9 HELIX 6 AA6 ALA A 78 LEU A 80 5 3 HELIX 7 AA7 PRO A 81 ALA A 94 1 14 HELIX 8 AA8 ARG A 126 HIS A 128 5 3 HELIX 9 AA9 GLY A 139 TYR A 148 1 10 HELIX 10 AB1 ASN A 150 ILE A 154 5 5 HELIX 11 AB2 GLY A 168 SER A 175 1 8 HELIX 12 AB3 GLY A 187 ASN A 201 1 15 HELIX 13 AB4 ASN A 214 GLY A 221 1 8 HELIX 14 AB5 LEU A 255 VAL A 268 1 14 HELIX 15 AB6 HIS A 289 GLY A 302 1 14 HELIX 16 AB7 ALA A 315 ALA A 330 1 16 HELIX 17 AB8 ASP A 337 THR A 349 1 13 SHEET 1 AA1 3 ALA A 75 GLU A 76 0 SHEET 2 AA1 3 GLU A 105 GLY A 108 -1 O VAL A 106 N ALA A 75 SHEET 3 AA1 3 LEU A 97 ALA A 99 -1 N ARG A 98 O SER A 107 SHEET 1 AA2 2 ARG A 111 ALA A 116 0 SHEET 2 AA2 2 VAL A 119 ASP A 124 -1 O ILE A 123 N GLN A 112 SHEET 1 AA3 8 MET A 208 ARG A 212 0 SHEET 2 AA3 8 HIS A 180 ASP A 185 1 N ALA A 183 O ARG A 211 SHEET 3 AA3 8 ARG A 159 LEU A 163 1 N ASP A 162 O LEU A 182 SHEET 4 AA3 8 PHE A 225 CYS A 230 1 O ASP A 226 N ARG A 159 SHEET 5 AA3 8 LEU A 269 GLY A 283 1 O TYR A 276 N LEU A 228 SHEET 6 AA3 8 TYR A 354 GLN A 363 -1 O TYR A 356 N LEU A 281 SHEET 7 AA3 8 ARG A 304 PRO A 314 -1 N PHE A 308 O THR A 359 SHEET 8 AA3 8 GLY A 370 LEU A 374 1 O ARG A 372 N ALA A 307 LINK O ILE A 28 CA CA A 402 1555 1555 2.72 LINK CA CA A 402 O4 PGE A 403 1555 1555 3.04 LINK CA CA A 402 O3 PGE A 403 1555 1555 2.89 LINK CA CA A 402 O2 PGE A 403 1555 1555 2.79 LINK CA CA A 402 O HOH A 523 1555 1555 2.91 LINK CA CA A 402 O HOH A 675 1555 1555 2.54 CRYST1 77.518 77.518 151.794 90.00 90.00 120.00 P 32 2 1 6 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 0.012900 0.007448 0.000000 0.00000 SCALE2 0.000000 0.014896 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006588 0.00000