1LS1 - Header Asymmetric Unit

HEADER PROTEIN TRANSPORT 16-MAY-02 1LS1

TITLE T. AQUATICUS FFH NG DOMAIN AT 1.1A RESOLUTION

COMPND MOL_ID: 1; COMPND 2 MOLECULE: SIGNAL RECOGNITION PARTICLE PROTEIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: NG DOMAIN; COMPND 5 SYNONYM: FFH, FIFTY-FOUR HOMOLOG; COMPND 6 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMUS AQUATICUS; SOURCE 3 ORGANISM_TAXID: 271; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562

KEYWDS FFH, SRP54, SRP, GTPASE, ULTRAHIGH RESOLUTION, PROTEIN KEYWDS 2 TRANSPORT

EXPDTA X-RAY DIFFRACTION

AUTHOR U.D.RAMIREZ,G.MINASOV,D.M.FREYMANN

REVDAT 2 24-FEB-09 1LS1 1 VERSN REVDAT 1 16-NOV-02 1LS1 0

JRNL AUTH U.D.RAMIREZ,G.MINASOV,P.J.FOCIA,R.M.STROUD, JRNL AUTH 2 P.WALTER,P.KUHN,D.M.FREYMANN JRNL TITL STRUCTURAL BASIS FOR MOBILITY IN THE 1.1 A CRYSTAL JRNL TITL 2 STRUCTURE OF THE NG DOMAIN OF THERMUS AQUATICUS FFH JRNL REF J.MOL.BIOL. V. 320 783 2002 JRNL REFN ISSN 0022-2836 JRNL PMID 12095255 JRNL DOI 10.1016/S0022-2836(02)00476-X

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 1.10 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 90.7 REMARK 3 NUMBER OF REFLECTIONS : 92430 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 + TEST SET) : 0.137 REMARK 3 R VALUE (WORKING SET) : 0.135 REMARK 3 FREE R VALUE : 0.169 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 4856 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.13 REMARK 3 REFLECTION IN BIN (WORKING SET) : 5779 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.1870 REMARK 3 BIN FREE R VALUE SET COUNT : 324 REMARK 3 BIN FREE R VALUE : 0.2140 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 5073 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 311 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.40 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 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.032 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.034 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.021 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.450 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.980 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.972 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2547 ; 0.025 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 2624 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3582 ; 2.093 ; 2.002 REMARK 3 BOND ANGLES OTHERS (DEGREES): 6000 ; 1.146 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 399 ; 4.834 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 510 ;16.078 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 395 ; 0.182 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2966 ; 0.010 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 566 ; 0.002 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 617 ; 0.247 ; 0.300 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 2804 ; 0.194 ; 0.300 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 223 ; 0.248 ; 0.500 REMARK 3 H-BOND (X...Y) OTHERS (A): 6 ; 0.459 ; 0.500 REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 18 ; 0.185 ; 0.300 REMARK 3 SYMMETRY VDW OTHERS (A): 55 ; 0.220 ; 0.300 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 27 ; 0.172 ; 0.500 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1597 ; 3.451 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2702 ; 4.650 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 950 ; 7.123 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 880 ;10.391 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 2547 ; 4.063 ; 5.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 323 ;32.935 ;30.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 2490 ;11.339 ;30.000 REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE REMARK 3 RIDING POSITIONS

REMARK 4 REMARK 4 1LS1 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-MAY-02. REMARK 100 THE RCSB ID CODE IS RCSB016232.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-APR-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 9.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98 REMARK 200 MONOCHROMATOR : SSRL BL 9-1 REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 102368 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.100 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.4 REMARK 200 DATA REDUNDANCY : 4.270 REMARK 200 R MERGE (I) : 0.03700 REMARK 200 R SYM (I) : 0.03700 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.12 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.96 REMARK 200 R MERGE FOR SHELL (I) : 0.32400 REMARK 200 R SYM FOR SHELL (I) : 0.32400 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR SUBSTITUTION REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1FFH REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.65 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEGMME550, MGCL2, TAPS, PH 9.0, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 295K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 49.86700 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.83750 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 49.86700 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 26.83750 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 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 VAL A 272 REMARK 465 SER A 273 REMARK 465 GLU A 274 REMARK 465 LYS A 275 REMARK 465 PRO A 276 REMARK 465 GLU A 277

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 GLU A 285 CG CD OE1 OE2

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 GLN A 107 O HOH A 716 1.68 REMARK 500 OE1 GLU A 285 O HOH A 743 1.70 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU A 57 CD GLU A 57 OE1 0.074 REMARK 500 GLU A 89 CD GLU A 89 OE2 0.070 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 45 CB - CG - CD1 ANGL. DEV. = -11.8 DEGREES REMARK 500 ARG A 49 NE - CZ - NH2 ANGL. DEV. = -3.0 DEGREES REMARK 500 ARG A 54 NE - CZ - NH1 ANGL. DEV. = 4.5 DEGREES REMARK 500 ARG A 54 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 ARG A 91 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG A 128 NE - CZ - NH1 ANGL. DEV. = 5.0 DEGREES REMARK 500 ARG A 128 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES REMARK 500 ARG A 142 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG A 170 NE - CZ - NH1 ANGL. DEV. = -3.8 DEGREES REMARK 500 ARG A 171 NE - CZ - NH2 ANGL. DEV. = -4.4 DEGREES REMARK 500 ARG A 181 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ASP A 182 CB - CG - OD2 ANGL. DEV. = 10.8 DEGREES REMARK 500 ASP A 195 CB - CG - OD1 ANGL. DEV. = 6.1 DEGREES REMARK 500 MET A 199 CG - SD - CE ANGL. DEV. = -12.1 DEGREES REMARK 500 ARG A 260 NE - CZ - NH1 ANGL. DEV. = -4.0 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 2 71.41 57.17 REMARK 500 LYS A 96 -168.22 -113.75 REMARK 500 VAL A 237 -51.15 -125.08 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 ARG A 181 0.08 SIDE_CHAIN 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 400 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 806 O REMARK 620 2 HOH A 805 O 85.7 REMARK 620 3 HOH A 807 O 170.3 92.7 REMARK 620 4 HOH A 804 O 90.6 176.2 90.8 REMARK 620 5 HOH A 808 O 81.4 91.4 89.1 87.2 REMARK 620 6 GLU A 207 OE2 99.8 87.7 89.7 93.7 178.5 REMARK 620 N 1 2 3 4 5

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 400 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXY A 801 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXY A 802 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXY A 803

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FFH RELATED DB: PDB REMARK 900 1FFH IS THE N AND GTPASE DOMAINS OF THE SIGNAL SEQUENCE REMARK 900 RECOGNITION PROTEIN FFH FROM THERMUS AQUATICUS. REMARK 900 RELATED ID: 3NG1 RELATED DB: PDB REMARK 900 1NG1 IS THE N AND GTPASE DOMAINS OF THE SIGNAL SEQUENCE REMARK 900 RECOGNITION PROTEIN FFH FROM THERMUS AQUATICUS.

DBREF 1LS1 A 1 295 UNP O07347 SRP54_THEAQ 0 294

SEQRES 1 A 295 MET PHE GLN GLN LEU SER ALA ARG LEU GLN GLU ALA ILE SEQRES 2 A 295 GLY ARG LEU ARG GLY ARG GLY ARG ILE THR GLU GLU ASP SEQRES 3 A 295 LEU LYS ALA THR LEU ARG GLU ILE ARG ARG ALA LEU MET SEQRES 4 A 295 ASP ALA ASP VAL ASN LEU GLU VAL ALA ARG ASP PHE VAL SEQRES 5 A 295 GLU ARG VAL ARG GLU GLU ALA LEU GLY LYS GLN VAL LEU SEQRES 6 A 295 GLU SER LEU THR PRO ALA GLU VAL ILE LEU ALA THR VAL SEQRES 7 A 295 TYR GLU ALA LEU LYS GLU ALA LEU GLY GLY GLU ALA ARG SEQRES 8 A 295 LEU PRO VAL LEU LYS ASP ARG ASN LEU TRP PHE LEU VAL SEQRES 9 A 295 GLY LEU GLN GLY SER GLY LYS THR THR THR ALA ALA LYS SEQRES 10 A 295 LEU ALA LEU TYR TYR LYS GLY LYS GLY ARG ARG PRO LEU SEQRES 11 A 295 LEU VAL ALA ALA ASP THR GLN ARG PRO ALA ALA ARG GLU SEQRES 12 A 295 GLN LEU ARG LEU LEU GLY GLU LYS VAL GLY VAL PRO VAL SEQRES 13 A 295 LEU GLU VAL MET ASP GLY GLU SER PRO GLU SER ILE ARG SEQRES 14 A 295 ARG ARG VAL GLU GLU LYS ALA ARG LEU GLU ALA ARG ASP SEQRES 15 A 295 LEU ILE LEU VAL ASP THR ALA GLY ARG LEU GLN ILE ASP SEQRES 16 A 295 GLU PRO LEU MET GLY GLU LEU ALA ARG LEU LYS GLU VAL SEQRES 17 A 295 LEU GLY PRO ASP GLU VAL LEU LEU VAL LEU ASP ALA MET SEQRES 18 A 295 THR GLY GLN GLU ALA LEU SER VAL ALA ARG ALA PHE ASP SEQRES 19 A 295 GLU LYS VAL GLY VAL THR GLY LEU VAL LEU THR LYS LEU SEQRES 20 A 295 ASP GLY ASP ALA ARG GLY GLY ALA ALA LEU SER ALA ARG SEQRES 21 A 295 HIS VAL THR GLY LYS PRO ILE TYR PHE ALA GLY VAL SER SEQRES 22 A 295 GLU LYS PRO GLU GLY LEU GLU PRO PHE TYR PRO GLU ARG SEQRES 23 A 295 LEU ALA GLY ARG ILE LEU GLY MET GLY

HET MG A 400 1 HET OXY A 801 2 HET OXY A 802 2 HET OXY A 803 2

HETNAM MG MAGNESIUM ION HETNAM OXY OXYGEN MOLECULE

FORMUL 2 MG MG 2+ FORMUL 3 OXY 3(O2) FORMUL 6 HOH *284(H2 O)

HELIX 1 1 PHE A 2 ARG A 15 1 14 HELIX 2 2 THR A 23 ALA A 41 1 19 HELIX 3 3 ASN A 44 LYS A 62 1 19 HELIX 4 4 THR A 69 LEU A 86 1 18 HELIX 5 5 GLY A 110 LYS A 125 1 16 HELIX 6 6 ARG A 138 GLY A 153 1 16 HELIX 7 7 SER A 164 ALA A 180 1 17 HELIX 8 8 ASP A 195 GLY A 210 1 16 HELIX 9 9 GLY A 223 VAL A 237 1 15 HELIX 10 10 LYS A 246 ASP A 250 5 5 HELIX 11 11 GLY A 253 GLY A 264 1 12 HELIX 12 12 TYR A 283 LEU A 292 1 10

SHEET 1 A 8 VAL A 156 GLU A 158 0 SHEET 2 A 8 PRO A 129 ALA A 133 1 N ALA A 133 O LEU A 157 SHEET 3 A 8 LEU A 183 ASP A 187 1 O LEU A 185 N LEU A 130 SHEET 4 A 8 ASN A 99 VAL A 104 1 N TRP A 101 O ILE A 184 SHEET 5 A 8 GLU A 213 ASP A 219 1 O LEU A 215 N PHE A 102 SHEET 6 A 8 GLY A 241 THR A 245 1 O THR A 245 N LEU A 218 SHEET 7 A 8 ILE A 267 ALA A 270 1 O TYR A 268 N LEU A 242 SHEET 8 A 8 GLU A 280 PRO A 281 -1 O GLU A 280 N ALA A 270

LINK MG MG A 400 O HOH A 806 1555 1555 1.96 LINK MG MG A 400 O HOH A 805 1555 1555 2.04 LINK MG MG A 400 O HOH A 807 1555 1555 2.02 LINK MG MG A 400 O HOH A 804 1555 1555 2.04 LINK MG MG A 400 O HOH A 808 1555 1555 2.09 LINK MG MG A 400 OE2 GLU A 207 1555 1555 2.03

SITE 1 AC1 6 GLU A 207 HOH A 804 HOH A 805 HOH A 806 SITE 2 AC1 6 HOH A 807 HOH A 808 SITE 1 AC2 5 ARG A 138 ARG A 191 LEU A 192 HOH A 577 SITE 2 AC2 5 HOH A 702 SITE 1 AC3 6 PRO A 155 VAL A 156 LYS A 175 HOH A 494 SITE 2 AC3 6 HOH A 543 HOH A 562 SITE 1 AC4 7 ALA A 140 ARG A 177 LEU A 178 ALA A 180 SITE 2 AC4 7 HOH A 459 HOH A 504 HOH A 551

CRYST1 99.734 53.675 57.836 90.00 119.92 90.00 C 1 2 1 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 0.010027 0.000000 0.005770 0.00000

SCALE2 0.000000 0.018631 0.000000 0.00000

SCALE3 0.000000 0.000000 0.019949 0.00000