PDB Short entry for 1SOM HEADER SERINE HYDROLASE 17-MAR-99 1SOM TITLE TORPEDO CALIFORNICA ACETYLCHOLINESTERASE INHIBITED BY NERVE AGENT GD TITLE 2 (SOMAN). COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (ACETYLCHOLINESTERASE); COMPND 3 CHAIN: A; COMPND 4 EC: 3.1.1.7; COMPND 5 OTHER_DETAILS: NERVE AGENT GD (SOMAN) COVALENTLY BOUND TO CATALYTIC COMPND 6 SERINE (SER200) SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TORPEDO CALIFORNICA; SOURCE 3 ORGANISM_COMMON: PACIFIC ELECTRIC RAY; SOURCE 4 ORGANISM_TAXID: 7787; SOURCE 5 VARIANT: G2 FORM; SOURCE 6 ORGAN: ELECTRIC ORGAN; SOURCE 7 TISSUE: ELECTROPLAQUE KEYWDS SERINE HYDROLASE, CHOLINESTERASE, NERVE AGENT, ORGANOPHOSPHOROUS ACID KEYWDS 2 ANHYDRIDE EXPDTA X-RAY DIFFRACTION AUTHOR H.M.GREENBLATT,C.B.MILLARD,J.L.SUSSMAN,I.SILMAN REVDAT 7 23-AUG-23 1SOM 1 REMARK REVDAT 6 02-JUN-21 1SOM 1 REMARK HETSYN REVDAT 5 29-JUL-20 1SOM 1 COMPND REMARK HETNAM LINK REVDAT 5 2 1 SITE REVDAT 4 13-JUL-11 1SOM 1 VERSN REVDAT 3 24-FEB-09 1SOM 1 VERSN REVDAT 2 01-APR-03 1SOM 1 JRNL REVDAT 1 25-JUN-99 1SOM 0 JRNL AUTH C.B.MILLARD,G.KRYGER,A.ORDENTLICH,H.M.GREENBLATT,M.HAREL, JRNL AUTH 2 M.L.RAVES,Y.SEGALL,D.BARAK,A.SHAFFERMAN,I.SILMAN,J.L.SUSSMAN JRNL TITL CRYSTAL STRUCTURES OF AGED PHOSPHONYLATED JRNL TITL 2 ACETYLCHOLINESTERASE: NERVE AGENT REACTION PRODUCTS AT THE JRNL TITL 3 ATOMIC LEVEL. JRNL REF BIOCHEMISTRY V. 38 7032 1999 JRNL REFN ISSN 0006-2960 JRNL PMID 10353814 JRNL DOI 10.1021/BI982678L REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.B.MILLARD,G.KRYGER,A.ORDENTLICH,M.HAREL,M.L.RAVES, REMARK 1 AUTH 2 H.M.GREENBLAT,Y.SEGALL,D.BARAK,A.SHAFFERMAN,I.SILMAN, REMARK 1 AUTH 3 J.L.SUSSMAN REMARK 1 TITL CRYSTAL STRUCTURAL OF "AGED" PHOSPHORYLATED AND REMARK 1 TITL 2 PHOSPHONYLATED TORPEDO CALIFORNICA ACETYLCHOLINESTERASE REMARK 1 EDIT B.P.DOCTOR, P.TAYLOR, D.M.QUINN, R.L.ROTUNDO, M.K GENTRY REMARK 1 REF STRUCTURE AND FUNCTION OF 425 1998 REMARK 1 REF 2 CHOLINESTERASES AND RELATED REMARK 1 REF 3 PROTEINS REMARK 1 PUBL NEW YORK : PLENUM PRESS REMARK 1 REFN REMARK 2 REMARK 2 RESOLUTION. 2.20 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.50 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.5 REMARK 3 NUMBER OF REFLECTIONS : 48792 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.210 REMARK 3 FREE R VALUE : 0.251 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2460 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.34 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 7455 REMARK 3 BIN R VALUE (WORKING SET) : 0.2640 REMARK 3 BIN FREE R VALUE : 0.2920 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 398 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.015 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4174 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 42 REMARK 3 SOLVENT ATOMS : 184 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 24.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 7.77000 REMARK 3 B22 (A**2) : 7.77000 REMARK 3 B33 (A**2) : -15.50000 REMARK 3 B12 (A**2) : 3.42000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.26 REMARK 3 ESD FROM SIGMAA (A) : 0.25 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.32 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.27 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.019 REMARK 3 BOND ANGLES (DEGREES) : 1.900 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.220 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED 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 : FLAT MODEL REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 49.78 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 : CARBOHYDRATE.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : CIS_PEPTIDE.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : CARBOHYDRATE.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : SOMAN.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 REFINED INITIALLY WITH REFMAC TO AN R OF 23.4 AND RFREE OF 27.9 REMARK 3 REMARK 3 CONTINUOUS ELECTRON DENSITY FEATURES IN FRONT OF THE INDOLE REMARK 3 RINGS OF TRP84 AND TRP279 DID NOT SATISFACTORILY REFINE REMARK 3 WITH WATER MOLECULES. THESE FEATURES WERE LEFT EMPTY DURING REMARK 3 REFINEMENT, BUT THEIR POSITIONS ARE INDICATED IN THE MODEL REMARK 3 BY OXYGEN ATOMS WITH ZERO OCCUPANCY (RESIDUES 1000 - 1009) REMARK 4 REMARK 4 1SOM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-MAR-99. REMARK 100 THE DEPOSITION ID IS D_1000000673. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : DEC-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 49048 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 200 DATA REDUNDANCY : 5.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 15.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.1 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.29700 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: 2ACE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 68.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 35-40% REMARK 280 W/V PEG 200 0.15M MES PH 6.0 0.05M NACL 4 DEG. CELSIUS , REMARK 280 TEMPERATURE 277.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 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+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 45.66733 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 91.33467 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 91.33467 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 45.66733 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3080 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 37560 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 2.0 KCAL/MOL 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 BIOMT1 2 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 137.00200 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 ASP A 1 REMARK 465 ASP A 2 REMARK 465 HIS A 3 REMARK 465 HIS A 486 REMARK 465 SER A 487 REMARK 465 GLN A 488 REMARK 465 GLU A 489 REMARK 465 ALA A 536 REMARK 465 CYS A 537 REMARK 465 ASP A 538 REMARK 465 GLY A 539 REMARK 465 GLU A 540 REMARK 465 LEU A 541 REMARK 465 SER A 542 REMARK 465 SER A 543 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 ASN A 42 CG OD1 ND2 REMARK 470 ARG A 46 CZ NH1 NH2 REMARK 470 ARG A 250 CZ NH1 NH2 REMARK 470 ASN A 257 CG OD1 ND2 REMARK 470 GLU A 260 OE1 OE2 REMARK 470 GLU A 268 OE1 OE2 REMARK 470 GLU A 344 OE1 OE2 REMARK 470 GLU A 350 OE1 OE2 REMARK 470 LYS A 357 NZ REMARK 470 LYS A 413 CD CE NZ REMARK 470 LYS A 498 CG CD CE NZ REMARK 470 GLU A 508 CD OE1 OE2 REMARK 470 ARG A 515 CZ NH1 NH2 REMARK 470 GLN A 526 OE1 NE2 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 UNK UNX A 1008 O HOH A 728 2.15 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 LEU A 494 CA - CB - CG ANGL. DEV. = 14.0 DEGREES REMARK 500 VAL A 518 CB - CA - C ANGL. DEV. = -11.9 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 PHE A 45 -17.27 83.52 REMARK 500 PRO A 76 126.49 -38.60 REMARK 500 SER A 108 76.42 -158.71 REMARK 500 SER A 200 -123.70 56.28 REMARK 500 GLU A 299 -76.58 -124.04 REMARK 500 THR A 317 -161.75 -164.56 REMARK 500 ASP A 380 49.88 -156.03 REMARK 500 VAL A 400 -60.21 -127.17 REMARK 500 GLN A 526 -60.64 -120.86 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 442 0.07 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 GD (SOMAN) HAS UNDERGONE DEALKYLATION REMARK 600 AND THE PINACOLYL GROUP IS NOT VISIBLE REMARK 600 IN THE ELECTRON DENSITY MAPS. REMARK 600 REMARK 600 DUMMY ATOMS NOT USED IN REFINEMENT TO SHOW REMARK 600 LOCATION OF TWO DENSITY FEATURES NEAR THE REMARK 600 INDOLE RINGS OF TRP84 AND TRP279 REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 UNX A 1000 REMARK 615 UNX A 1001 REMARK 615 UNX A 1002 REMARK 615 UNX A 1003 REMARK 615 UNX A 1004 REMARK 615 UNX A 1005 REMARK 615 UNX A 1006 REMARK 615 UNX A 1007 REMARK 615 UNX A 1008 REMARK 615 UNX A 1009 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC TRIAD DBREF 1SOM A 1 543 UNP P04058 ACES_TORCA 22 564 SEQRES 1 A 543 ASP ASP HIS SER GLU LEU LEU VAL ASN THR LYS SER GLY SEQRES 2 A 543 LYS VAL MET GLY THR ARG VAL PRO VAL LEU SER SER HIS SEQRES 3 A 543 ILE SER ALA PHE LEU GLY ILE PRO PHE ALA GLU PRO PRO SEQRES 4 A 543 VAL GLY ASN MET ARG PHE ARG ARG PRO GLU PRO LYS LYS SEQRES 5 A 543 PRO TRP SER GLY VAL TRP ASN ALA SER THR TYR PRO ASN SEQRES 6 A 543 ASN CYS GLN GLN TYR VAL ASP GLU GLN PHE PRO GLY PHE SEQRES 7 A 543 SER GLY SER GLU MET TRP ASN PRO ASN ARG GLU MET SER SEQRES 8 A 543 GLU ASP CYS LEU TYR LEU ASN ILE TRP VAL PRO SER PRO SEQRES 9 A 543 ARG PRO LYS SER THR THR VAL MET VAL TRP ILE TYR GLY SEQRES 10 A 543 GLY GLY PHE TYR SER GLY SER SER THR LEU ASP VAL TYR SEQRES 11 A 543 ASN GLY LYS TYR LEU ALA TYR THR GLU GLU VAL VAL LEU SEQRES 12 A 543 VAL SER LEU SER TYR ARG VAL GLY ALA PHE GLY PHE LEU SEQRES 13 A 543 ALA LEU HIS GLY SER GLN GLU ALA PRO GLY ASN VAL GLY SEQRES 14 A 543 LEU LEU ASP GLN ARG MET ALA LEU GLN TRP VAL HIS ASP SEQRES 15 A 543 ASN ILE GLN PHE PHE GLY GLY ASP PRO LYS THR VAL THR SEQRES 16 A 543 ILE PHE GLY GLU SER ALA GLY GLY ALA SER VAL GLY MET SEQRES 17 A 543 HIS ILE LEU SER PRO GLY SER ARG ASP LEU PHE ARG ARG SEQRES 18 A 543 ALA ILE LEU GLN SER GLY SER PRO ASN CYS PRO TRP ALA SEQRES 19 A 543 SER VAL SER VAL ALA GLU GLY ARG ARG ARG ALA VAL GLU SEQRES 20 A 543 LEU GLY ARG ASN LEU ASN CYS ASN LEU ASN SER ASP GLU SEQRES 21 A 543 GLU LEU ILE HIS CYS LEU ARG GLU LYS LYS PRO GLN GLU SEQRES 22 A 543 LEU ILE ASP VAL GLU TRP ASN VAL LEU PRO PHE ASP SER SEQRES 23 A 543 ILE PHE ARG PHE SER PHE VAL PRO VAL ILE ASP GLY GLU SEQRES 24 A 543 PHE PHE PRO THR SER LEU GLU SER MET LEU ASN SER GLY SEQRES 25 A 543 ASN PHE LYS LYS THR GLN ILE LEU LEU GLY VAL ASN LYS SEQRES 26 A 543 ASP GLU GLY SER PHE PHE LEU LEU TYR GLY ALA PRO GLY SEQRES 27 A 543 PHE SER LYS ASP SER GLU SER LYS ILE SER ARG GLU ASP SEQRES 28 A 543 PHE MET SER GLY VAL LYS LEU SER VAL PRO HIS ALA ASN SEQRES 29 A 543 ASP LEU GLY LEU ASP ALA VAL THR LEU GLN TYR THR ASP SEQRES 30 A 543 TRP MET ASP ASP ASN ASN GLY ILE LYS ASN ARG ASP GLY SEQRES 31 A 543 LEU ASP ASP ILE VAL GLY ASP HIS ASN VAL ILE CYS PRO SEQRES 32 A 543 LEU MET HIS PHE VAL ASN LYS TYR THR LYS PHE GLY ASN SEQRES 33 A 543 GLY THR TYR LEU TYR PHE PHE ASN HIS ARG ALA SER ASN SEQRES 34 A 543 LEU VAL TRP PRO GLU TRP MET GLY VAL ILE HIS GLY TYR SEQRES 35 A 543 GLU ILE GLU PHE VAL PHE GLY LEU PRO LEU VAL LYS GLU SEQRES 36 A 543 LEU ASN TYR THR ALA GLU GLU GLU ALA LEU SER ARG ARG SEQRES 37 A 543 ILE MET HIS TYR TRP ALA THR PHE ALA LYS THR GLY ASN SEQRES 38 A 543 PRO ASN GLU PRO HIS SER GLN GLU SER LYS TRP PRO LEU SEQRES 39 A 543 PHE THR THR LYS GLU GLN LYS PHE ILE ASP LEU ASN THR SEQRES 40 A 543 GLU PRO MET LYS VAL HIS GLN ARG LEU ARG VAL GLN MET SEQRES 41 A 543 CYS VAL PHE TRP ASN GLN PHE LEU PRO LYS LEU LEU ASN SEQRES 42 A 543 ALA THR ALA CYS ASP GLY GLU LEU SER SER MODRES 1SOM ASN A 59 ASN GLYCOSYLATION SITE MODRES 1SOM ASN A 416 ASN GLYCOSYLATION SITE HET NAG A 544 14 HET NAG A 545 14 HET UNX A1000 1 HET UNX A1001 1 HET UNX A1002 1 HET UNX A1003 1 HET UNX A1004 1 HET UNX A1005 1 HET UNX A1006 1 HET UNX A1007 1 HET UNX A1008 1 HET UNX A1009 1 HET VXA A1010 4 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM UNX UNKNOWN ATOM OR ION HETNAM VXA METHYLPHOSPHONIC ACID ESTER GROUP HETSYN NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA- HETSYN 2 NAG D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO- HETSYN 3 NAG 2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE FORMUL 2 NAG 2(C8 H15 N O6) FORMUL 4 UNX 10(X) FORMUL 14 VXA C H4 O2 P 1- FORMUL 15 HOH *184(H2 O) HELIX 1 1A SER A 79 ASN A 85 1 7 HELIX 2 2A GLY A 132 GLU A 139 1 8 HELIX 3 3A VAL A 168 ASN A 183 1 16 HELIX 4 4A SER A 200 LEU A 211 1 12 HELIX 5 5A VAL A 238 LEU A 252 1 15 HELIX 6 6A ASP A 259 GLU A 268 1 10 HELIX 7 7A PRO A 271 GLU A 278 1 8 HELIX 8 8A LEU A 305 SER A 311 1 7 HELIX 9 9A SER A 329 GLY A 335 1 7 HELIX 10 10A ARG A 349 VAL A 360 1 12 HELIX 11 11A ASP A 365 THR A 376 1 12 HELIX 12 12A GLY A 384 TYR A 411 1 28 HELIX 13 13A GLU A 443 PHE A 448 1 6 HELIX 14 14A ALA A 460 THR A 479 1 20 HELIX 15 15A VAL A 518 THR A 535 1 18 SHEET 1 A 3 LEU A 6 THR A 10 0 SHEET 2 A 3 GLY A 13 MET A 16 -1 N VAL A 15 O VAL A 8 SHEET 3 A 3 VAL A 57 ALA A 60 1 N TRP A 58 O LYS A 14 SHEET 1 B11 MET A 16 PRO A 21 0 SHEET 2 B11 HIS A 26 PRO A 34 -1 O ALA A 29 N THR A 18 SHEET 3 B11 TYR A 96 PRO A 102 -1 N ILE A 99 O PHE A 30 SHEET 4 B11 VAL A 142 SER A 147 -1 N LEU A 143 O TRP A 100 SHEET 5 B11 THR A 109 TYR A 116 1 N MET A 112 O VAL A 142 SHEET 6 B11 THR A 193 GLU A 199 1 O THR A 195 N VAL A 113 SHEET 7 B11 ARG A 220 SER A 226 1 N ILE A 223 O ILE A 196 SHEET 8 B11 GLN A 318 ASN A 324 1 N GLY A 322 O LEU A 224 SHEET 9 B11 GLY A 417 PHE A 423 1 N TYR A 421 O LEU A 321 SHEET 10 B11 PHE A 502 LEU A 505 1 N ILE A 503 O LEU A 420 SHEET 11 B11 MET A 510 GLN A 514 -1 N HIS A 513 O PHE A 502 SSBOND 1 CYS A 67 CYS A 94 1555 1555 2.06 SSBOND 2 CYS A 254 CYS A 265 1555 1555 2.04 SSBOND 3 CYS A 402 CYS A 521 1555 1555 2.03 LINK ND2 ASN A 59 C1 NAG A 545 1555 1555 1.46 LINK OG SER A 200 P1 VXA A1010 1555 1555 1.53 LINK ND2 ASN A 416 C1 NAG A 544 1555 1555 1.44 CISPEP 1 SER A 103 PRO A 104 0 1.35 SITE 1 CAT 3 SER A 200 GLU A 327 HIS A 440 CRYST1 111.560 111.560 137.002 90.00 90.00 120.00 P 31 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 0.008964 0.005175 0.000000 0.00000 SCALE2 0.000000 0.010350 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007299 0.00000