HEADER RNA BINDING PROTEIN 21-DEC-11 3V7Q TITLE CRYSTAL STRUCTURE OF B. SUBTILIS YLXQ AT 1.55 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROBABLE RIBOSOMAL PROTEIN YLXQ; COMPND 3 CHAIN: A, B, C; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS; SOURCE 3 ORGANISM_TAXID: 1423; SOURCE 4 GENE: BSU16620, RPLGA, YLXQ, YMXC; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET16B KEYWDS L7AE SUPERFAMILY, K-TURN BINDING, K-TURN RNA, HYPOTHETICAL RIBOSOMAL KEYWDS 2 PROTEIN, RNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR N.J.BAIRD,J.ZHANG,T.HAMMA,A.R.FERRE-D'AMARE REVDAT 3 13-SEP-23 3V7Q 1 REMARK SEQADV LINK REVDAT 2 18-APR-12 3V7Q 1 JRNL REVDAT 1 07-MAR-12 3V7Q 0 JRNL AUTH N.J.BAIRD,J.ZHANG,T.HAMMA,A.R.FERRE-D'AMARE JRNL TITL YBXF AND YLXQ ARE BACTERIAL HOMOLOGS OF L7AE AND BIND JRNL TITL 2 K-TURNS BUT NOT K-LOOPS. JRNL REF RNA V. 18 759 2012 JRNL REFN ISSN 1355-8382 JRNL PMID 22355167 JRNL DOI 10.1261/RNA.031518.111 REMARK 2 REMARK 2 RESOLUTION. 1.55 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.55 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.97 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 149294.200 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 41302 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) : 0.200 REMARK 3 FREE R VALUE : 0.229 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 4152 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 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) : 1.55 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.56 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 86.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5473 REMARK 3 BIN R VALUE (WORKING SET) : 0.2530 REMARK 3 BIN FREE R VALUE : 0.2780 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 77 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.011 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2249 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 34 REMARK 3 SOLVENT ATOMS : 246 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.09000 REMARK 3 B22 (A**2) : -7.10000 REMARK 3 B33 (A**2) : 6.01000 REMARK 3 B12 (A**2) : 0.00000 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) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.12 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) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.12 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 19.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.730 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) : 4.270 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 5.860 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 8.630 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 11.400; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.40 REMARK 3 BSOL : 50.82 REMARK 3 REMARK 3 NCS MODEL : NONE 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 : DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : CARBOHYDRATE.PARAM REMARK 3 PARAMETER FILE 6 : CIT.PAR REMARK 3 PARAMETER FILE 7 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : CARBOHYDRATE.TOP REMARK 3 TOPOLOGY FILE 6 : CIT.TOP REMARK 3 TOPOLOGY FILE 7 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 3V7Q COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-JAN-12. REMARK 100 THE DEPOSITION ID IS D_1000069700. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-MAY-10 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : ASYMMETRIC CURVED CRYSTAL OF REMARK 200 SI(220) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 41302 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.61 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.4 REMARK 200 DATA REDUNDANCY IN SHELL : 5.50 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: CNS REMARK 200 STARTING MODEL: 3ON1 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.53 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM ACETATE PH 7.0, 0.1 M REMARK 280 SODIUM CITRATE PH 5.6, AND 30% (W/V) PEG 4000, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 277K 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 25.20350 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 47.08000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.64550 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 47.08000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.20350 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 30.64550 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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 350 REMARK 350 BIOMOLECULE: 2 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: 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 350 REMARK 350 BIOMOLECULE: 3 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: C 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 0 REMARK 465 GLY A 1 REMARK 465 SER A 2 REMARK 465 ASP A 100 REMARK 465 MET B 100 REMARK 465 GLY B 101 REMARK 465 SER B 102 REMARK 465 ASP B 200 REMARK 465 MET C 200 REMARK 465 GLY C 201 REMARK 465 SER C 202 REMARK 465 ASP C 300 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 B 115 CG CD NE CZ NH1 NH2 REMARK 470 LYS C 251 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 THR B 187 35.39 -97.76 REMARK 500 MET C 204 32.81 -143.70 REMARK 500 MET C 204 38.16 -140.36 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 CIT A 201 REMARK 610 CIT C 401 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 K A 202 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 552 O REMARK 620 2 HOH A 567 O 100.6 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT B 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 902 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT C 401 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3V7E RELATED DB: PDB REMARK 900 HOMOLOG YBXF IN SAME PUBLICATION DBREF 3V7Q A 2 100 UNP P32729 YLXQ_BACSU 2 100 DBREF 3V7Q B 102 200 UNP P32729 YLXQ_BACSU 2 100 DBREF 3V7Q C 202 300 UNP P32729 YLXQ_BACSU 2 100 SEQADV 3V7Q MET A 0 UNP P32729 EXPRESSION TAG SEQADV 3V7Q GLY A 1 UNP P32729 EXPRESSION TAG SEQADV 3V7Q MET B 100 UNP P32729 EXPRESSION TAG SEQADV 3V7Q GLY B 101 UNP P32729 EXPRESSION TAG SEQADV 3V7Q MET C 200 UNP P32729 EXPRESSION TAG SEQADV 3V7Q GLY C 201 UNP P32729 EXPRESSION TAG SEQRES 1 A 101 MET GLY SER GLY MET GLU TRP PHE PRO LEU LEU GLY LEU SEQRES 2 A 101 ALA ASN ARG ALA ARG LYS VAL VAL SER GLY GLU ASP LEU SEQRES 3 A 101 VAL ILE LYS GLU ILE ARG ASN ALA ARG ALA LYS LEU VAL SEQRES 4 A 101 LEU LEU THR GLU ASP ALA SER SER ASN THR ALA LYS LYS SEQRES 5 A 101 VAL THR ASP LYS CYS ASN TYR TYR LYS VAL PRO TYR LYS SEQRES 6 A 101 LYS VAL GLU SER ARG ALA VAL LEU GLY ARG SER ILE GLY SEQRES 7 A 101 LYS GLU ALA ARG VAL VAL VAL ALA VAL THR ASP GLN GLY SEQRES 8 A 101 PHE ALA ASN LYS LEU ILE SER LEU LEU ASP SEQRES 1 B 101 MET GLY SER GLY MET GLU TRP PHE PRO LEU LEU GLY LEU SEQRES 2 B 101 ALA ASN ARG ALA ARG LYS VAL VAL SER GLY GLU ASP LEU SEQRES 3 B 101 VAL ILE LYS GLU ILE ARG ASN ALA ARG ALA LYS LEU VAL SEQRES 4 B 101 LEU LEU THR GLU ASP ALA SER SER ASN THR ALA LYS LYS SEQRES 5 B 101 VAL THR ASP LYS CYS ASN TYR TYR LYS VAL PRO TYR LYS SEQRES 6 B 101 LYS VAL GLU SER ARG ALA VAL LEU GLY ARG SER ILE GLY SEQRES 7 B 101 LYS GLU ALA ARG VAL VAL VAL ALA VAL THR ASP GLN GLY SEQRES 8 B 101 PHE ALA ASN LYS LEU ILE SER LEU LEU ASP SEQRES 1 C 101 MET GLY SER GLY MET GLU TRP PHE PRO LEU LEU GLY LEU SEQRES 2 C 101 ALA ASN ARG ALA ARG LYS VAL VAL SER GLY GLU ASP LEU SEQRES 3 C 101 VAL ILE LYS GLU ILE ARG ASN ALA ARG ALA LYS LEU VAL SEQRES 4 C 101 LEU LEU THR GLU ASP ALA SER SER ASN THR ALA LYS LYS SEQRES 5 C 101 VAL THR ASP LYS CYS ASN TYR TYR LYS VAL PRO TYR LYS SEQRES 6 C 101 LYS VAL GLU SER ARG ALA VAL LEU GLY ARG SER ILE GLY SEQRES 7 C 101 LYS GLU ALA ARG VAL VAL VAL ALA VAL THR ASP GLN GLY SEQRES 8 C 101 PHE ALA ASN LYS LEU ILE SER LEU LEU ASP HET CIT A 201 10 HET K A 202 1 HET CIT B 901 13 HET K B 902 1 HET CIT C 401 9 HETNAM CIT CITRIC ACID HETNAM K POTASSIUM ION FORMUL 4 CIT 3(C6 H8 O7) FORMUL 5 K 2(K 1+) FORMUL 9 HOH *246(H2 O) HELIX 1 1 GLU A 5 ALA A 16 1 12 HELIX 2 2 GLY A 22 ASN A 32 1 11 HELIX 3 3 SER A 45 TYR A 59 1 15 HELIX 4 4 SER A 68 ILE A 76 1 9 HELIX 5 5 ASP A 88 LEU A 99 1 12 HELIX 6 6 GLU B 105 ALA B 116 1 12 HELIX 7 7 GLY B 122 ASN B 132 1 11 HELIX 8 8 SER B 145 LYS B 160 1 16 HELIX 9 9 SER B 168 ILE B 176 1 9 HELIX 10 10 ASP B 188 LEU B 198 1 11 HELIX 11 11 GLU C 205 ALA C 216 1 12 HELIX 12 12 GLY C 222 ASN C 232 1 11 HELIX 13 13 SER C 245 TYR C 259 1 15 HELIX 14 14 SER C 268 ILE C 276 1 9 HELIX 15 15 ASP C 288 LEU C 299 1 12 SHEET 1 A 4 VAL A 19 SER A 21 0 SHEET 2 A 4 VAL A 83 VAL A 86 -1 O ALA A 85 N VAL A 20 SHEET 3 A 4 LEU A 37 THR A 41 -1 N LEU A 37 O VAL A 86 SHEET 4 A 4 TYR A 63 VAL A 66 1 O LYS A 64 N VAL A 38 SHEET 1 B 4 VAL B 119 SER B 121 0 SHEET 2 B 4 VAL B 183 VAL B 186 -1 O ALA B 185 N VAL B 120 SHEET 3 B 4 LEU B 137 THR B 141 -1 N LEU B 137 O VAL B 186 SHEET 4 B 4 TYR B 163 VAL B 166 1 O LYS B 164 N LEU B 140 SHEET 1 C 4 VAL C 219 SER C 221 0 SHEET 2 C 4 VAL C 283 VAL C 286 -1 O ALA C 285 N VAL C 220 SHEET 3 C 4 LEU C 237 THR C 241 -1 N LEU C 237 O VAL C 286 SHEET 4 C 4 TYR C 263 VAL C 266 1 O VAL C 266 N LEU C 240 LINK K K A 202 O HOH A 552 1555 1555 3.16 LINK K K A 202 O HOH A 567 1555 1555 2.86 LINK K K B 902 O HOH B1027 1555 1555 3.19 SITE 1 AC1 7 PHE A 7 ARG A 31 LYS A 55 TYR A 58 SITE 2 AC1 7 TYR A 59 HOH A 583 LYS B 194 SITE 1 AC2 4 GLY A 22 VAL A 82 VAL A 83 HOH A 567 SITE 1 AC3 8 ASN A 47 HOH A 516 ARG B 131 LYS B 155 SITE 2 AC3 8 TYR B 158 TYR B 159 HOH B1071 PHE C 207 SITE 1 AC4 3 GLY B 122 ARG B 181 VAL B 182 SITE 1 AC5 4 PHE B 107 ARG C 231 LYS C 255 TYR C 259 CRYST1 50.407 61.291 94.160 90.00 90.00 90.00 P 21 21 21 12 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 0.019839 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016316 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010620 0.00000