2A8K - Header Asymmetric Unit

HEADER HYDROLASE 08-JUL-05 2A8K

TITLE STRUCTURAL AND MUTATIONAL STUDIES OF THE CATALYTIC DOMAIN TITLE 2 OF COLICIN E5A TRNA-SPECIFIC RIBONUCLEASE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: COLICIN E5; COMPND 3 CHAIN: A, B, C, D; COMPND 4 EC: 3.1.-.-; COMPND 5 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: COL; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PLM1-COLE5

KEYWDS RIBONUCLEASE, TOXIN, HYDROLASE

EXPDTA X-RAY DIFFRACTION

AUTHOR Y.L.LIN,Y.ELIAS,R.H.HUANG

REVDAT 2 24-FEB-09 2A8K 1 VERSN REVDAT 1 20-SEP-05 2A8K 0

JRNL AUTH Y.L.LIN,Y.ELIAS,R.H.HUANG JRNL TITL STRUCTURAL AND MUTATIONAL STUDIES OF THE CATALYTIC JRNL TITL 2 DOMAIN OF COLICIN E5: A TRNA-SPECIFIC RIBONUCLEASE JRNL REF BIOCHEMISTRY V. 44 10494 2005 JRNL REFN ISSN 0006-2960 JRNL PMID 16060658 JRNL DOI 10.1021/BI050749S

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 73778 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.217 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 6027 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2952 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 346 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 2A8K COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-JUL-05. REMARK 100 THE RCSB ID CODE IS RCSB033622.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-MAR-03 REMARK 200 TEMPERATURE (KELVIN) : NULL 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 : 14-BM-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9794, 0.9792, 0.9686 REMARK 200 MONOCHROMATOR : YALE MIRRORS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 73778 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.2 REMARK 200 DATA REDUNDANCY : 7.400 REMARK 200 R MERGE (I) : 0.03500 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 21.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.29 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.58 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG400, PH 6.5, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 278K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 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 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 33.58000 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 67.16000 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3, 4 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC 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 350 REMARK 350 BIOMOLECULE: 4 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: D 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 1 REMARK 465 LEU A 2 REMARK 465 ALA A 3 REMARK 465 LYS A 4 REMARK 465 ASN A 5 REMARK 465 LYS A 6 REMARK 465 GLY A 7 REMARK 465 LYS A 8 REMARK 465 ILE A 9 REMARK 465 PRO A 10 REMARK 465 GLY A 11 REMARK 465 ASN A 106 REMARK 465 ASP A 107 REMARK 465 GLN A 108 REMARK 465 MET B 1 REMARK 465 LEU B 2 REMARK 465 ALA B 3 REMARK 465 LYS B 4 REMARK 465 ASN B 5 REMARK 465 LYS B 6 REMARK 465 GLY B 7 REMARK 465 LYS B 8 REMARK 465 ILE B 9 REMARK 465 PRO B 10 REMARK 465 GLY B 11 REMARK 465 ASN B 106 REMARK 465 ASP B 107 REMARK 465 GLN B 108 REMARK 465 MET C 1 REMARK 465 LEU C 2 REMARK 465 ALA C 3 REMARK 465 LYS C 4 REMARK 465 ASN C 5 REMARK 465 LYS C 6 REMARK 465 GLY C 7 REMARK 465 LYS C 8 REMARK 465 ILE C 9 REMARK 465 PRO C 10 REMARK 465 GLY C 11 REMARK 465 ASN C 106 REMARK 465 ASP C 107 REMARK 465 GLN C 108 REMARK 465 MET D 1 REMARK 465 LEU D 2 REMARK 465 ALA D 3 REMARK 465 LYS D 4 REMARK 465 ASN D 5 REMARK 465 LYS D 6 REMARK 465 GLY D 7 REMARK 465 LYS D 8 REMARK 465 ILE D 9 REMARK 465 PRO D 10 REMARK 465 GLY D 11 REMARK 465 ASN D 106 REMARK 465 ASP D 107 REMARK 465 GLN D 108

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 SER A 44 -158.83 -153.14 REMARK 500 SER B 44 -158.57 -153.09 REMARK 500 ASN B 61 66.47 -150.23 REMARK 500 SER C 44 -166.05 -161.15 REMARK 500 PRO C 50 65.28 -54.43 REMARK 500 LYS C 51 7.58 177.65 REMARK 500 ASP C 56 76.54 53.08 REMARK 500 ASN C 61 76.94 -167.49 REMARK 500 SER D 44 -166.29 -160.93 REMARK 500 PRO D 50 65.23 -54.37 REMARK 500 LYS D 51 7.51 177.79 REMARK 500 ASP D 56 76.42 53.13 REMARK 500 ASN D 61 76.94 -167.49 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 401 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 24 OE2 REMARK 620 2 HOH A 405 O 80.8 REMARK 620 3 HOH D 432 O 120.5 70.8 REMARK 620 4 HOH D 436 O 80.2 110.4 63.8 REMARK 620 5 GLU A 24 OE1 46.3 79.7 149.9 124.2 REMARK 620 6 THR D 90 OG1 162.4 114.2 74.9 101.6 124.5 REMARK 620 7 HOH D 405 O 105.2 82.0 120.4 167.3 59.1 69.7 REMARK 620 8 GLU D 24 O 84.7 163.9 123.3 73.6 85.2 79.1 95.2 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 404 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 24 OE1 REMARK 620 2 GLU B 24 OE2 45.9 REMARK 620 3 HOH B 410 O 80.3 80.3 REMARK 620 4 HOH C 407 O 59.4 105.0 82.6 REMARK 620 5 THR C 90 OG1 124.4 162.5 114.4 69.4 REMARK 620 6 HOH C 432 O 128.6 84.0 105.5 169.0 100.1 REMARK 620 7 GLU C 24 O 84.8 84.4 163.6 95.7 79.8 78.7 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA C 403 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 417 O REMARK 620 2 THR B 90 OG1 106.1 REMARK 620 3 GLU C 24 OE1 122.1 120.1 REMARK 620 4 GLU C 24 OE2 82.0 155.5 42.1 REMARK 620 5 HOH B 413 O 162.4 68.2 54.9 97.0 REMARK 620 6 HOH C 410 O 116.2 121.3 67.8 72.2 79.8 REMARK 620 7 GLU B 24 O 75.5 77.5 82.0 82.4 86.9 149.4 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA D 402 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 414 O REMARK 620 2 GLU D 24 OE1 121.7 REMARK 620 3 GLU D 24 OE2 81.5 42.2 REMARK 620 4 HOH D 409 O 116.4 67.3 72.1 REMARK 620 5 THR A 90 OG1 106.6 120.0 155.5 121.1 REMARK 620 6 HOH A 408 O 160.7 54.4 96.5 80.7 68.0 REMARK 620 7 HOH A 426 O 76.8 142.1 126.3 74.9 78.3 118.5 REMARK 620 8 GLU A 24 O 75.7 82.0 82.5 149.0 77.4 85.0 135.9 REMARK 620 N 1 2 3 4 5 6 7

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 401 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA D 402 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA C 403 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 404

DBREF 2A8K A 2 108 UNP P18000 CEA5_ECOLI 74 180 DBREF 2A8K B 2 108 UNP P18000 CEA5_ECOLI 74 180 DBREF 2A8K C 2 108 UNP P18000 CEA5_ECOLI 74 180 DBREF 2A8K D 2 108 UNP P18000 CEA5_ECOLI 74 180

SEQADV 2A8K MET A 1 UNP P18000 INITIATING METHIONINE SEQADV 2A8K MET B 1 UNP P18000 INITIATING METHIONINE SEQADV 2A8K MET C 1 UNP P18000 INITIATING METHIONINE SEQADV 2A8K MET D 1 UNP P18000 INITIATING METHIONINE

SEQRES 1 A 108 MET LEU ALA LYS ASN LYS GLY LYS ILE PRO GLY LEU LYS SEQRES 2 A 108 ILE ASP GLN LYS ILE ARG GLY GLN MET PRO GLU ARG GLY SEQRES 3 A 108 TRP THR GLU ASP ASP ILE LYS ASN THR VAL SER ASN GLY SEQRES 4 A 108 ALA THR GLY THR SER PHE ASP LYS ARG SER PRO LYS LYS SEQRES 5 A 108 THR PRO PRO ASP TYR LEU GLY ARG ASN ASP PRO ALA THR SEQRES 6 A 108 VAL TYR GLY SER PRO GLY LYS TYR VAL VAL VAL ASN ASP SEQRES 7 A 108 ARG THR GLY GLU VAL THR GLN ILE SER ASP LYS THR ASP SEQRES 8 A 108 PRO GLY TRP VAL ASP ASP SER ARG ILE GLN TRP GLY ASN SEQRES 9 A 108 LYS ASN ASP GLN SEQRES 1 B 108 MET LEU ALA LYS ASN LYS GLY LYS ILE PRO GLY LEU LYS SEQRES 2 B 108 ILE ASP GLN LYS ILE ARG GLY GLN MET PRO GLU ARG GLY SEQRES 3 B 108 TRP THR GLU ASP ASP ILE LYS ASN THR VAL SER ASN GLY SEQRES 4 B 108 ALA THR GLY THR SER PHE ASP LYS ARG SER PRO LYS LYS SEQRES 5 B 108 THR PRO PRO ASP TYR LEU GLY ARG ASN ASP PRO ALA THR SEQRES 6 B 108 VAL TYR GLY SER PRO GLY LYS TYR VAL VAL VAL ASN ASP SEQRES 7 B 108 ARG THR GLY GLU VAL THR GLN ILE SER ASP LYS THR ASP SEQRES 8 B 108 PRO GLY TRP VAL ASP ASP SER ARG ILE GLN TRP GLY ASN SEQRES 9 B 108 LYS ASN ASP GLN SEQRES 1 C 108 MET LEU ALA LYS ASN LYS GLY LYS ILE PRO GLY LEU LYS SEQRES 2 C 108 ILE ASP GLN LYS ILE ARG GLY GLN MET PRO GLU ARG GLY SEQRES 3 C 108 TRP THR GLU ASP ASP ILE LYS ASN THR VAL SER ASN GLY SEQRES 4 C 108 ALA THR GLY THR SER PHE ASP LYS ARG SER PRO LYS LYS SEQRES 5 C 108 THR PRO PRO ASP TYR LEU GLY ARG ASN ASP PRO ALA THR SEQRES 6 C 108 VAL TYR GLY SER PRO GLY LYS TYR VAL VAL VAL ASN ASP SEQRES 7 C 108 ARG THR GLY GLU VAL THR GLN ILE SER ASP LYS THR ASP SEQRES 8 C 108 PRO GLY TRP VAL ASP ASP SER ARG ILE GLN TRP GLY ASN SEQRES 9 C 108 LYS ASN ASP GLN SEQRES 1 D 108 MET LEU ALA LYS ASN LYS GLY LYS ILE PRO GLY LEU LYS SEQRES 2 D 108 ILE ASP GLN LYS ILE ARG GLY GLN MET PRO GLU ARG GLY SEQRES 3 D 108 TRP THR GLU ASP ASP ILE LYS ASN THR VAL SER ASN GLY SEQRES 4 D 108 ALA THR GLY THR SER PHE ASP LYS ARG SER PRO LYS LYS SEQRES 5 D 108 THR PRO PRO ASP TYR LEU GLY ARG ASN ASP PRO ALA THR SEQRES 6 D 108 VAL TYR GLY SER PRO GLY LYS TYR VAL VAL VAL ASN ASP SEQRES 7 D 108 ARG THR GLY GLU VAL THR GLN ILE SER ASP LYS THR ASP SEQRES 8 D 108 PRO GLY TRP VAL ASP ASP SER ARG ILE GLN TRP GLY ASN SEQRES 9 D 108 LYS ASN ASP GLN

HET CA A 401 1 HET CA D 402 1 HET CA C 403 1 HET CA B 404 1

HETNAM CA CALCIUM ION

FORMUL 5 CA 4(CA 2+) FORMUL 9 HOH *346(H2 O)

HELIX 1 1 ASP A 15 GLY A 26 1 12 HELIX 2 2 THR A 28 ASN A 38 1 11 HELIX 3 3 SER A 49 THR A 53 5 5 HELIX 4 4 ASP B 15 GLY B 26 1 12 HELIX 5 5 THR B 28 ASN B 38 1 11 HELIX 6 6 SER B 49 THR B 53 5 5 HELIX 7 7 ASP C 15 GLY C 26 1 12 HELIX 8 8 THR C 28 ASN C 38 1 11 HELIX 9 9 ASP D 15 GLY D 26 1 12 HELIX 10 10 THR D 28 ASN D 38 1 11

SHEET 1 A 5 VAL A 83 ILE A 86 0 SHEET 2 A 5 LYS A 72 ASN A 77 -1 N VAL A 75 O THR A 84 SHEET 3 A 5 ARG A 60 SER A 69 -1 N THR A 65 O VAL A 76 SHEET 4 A 5 ALA A 40 ARG A 48 -1 N THR A 41 O VAL A 66 SHEET 5 A 5 GLN A 101 TRP A 102 -1 O GLN A 101 N THR A 43 SHEET 1 B 5 VAL B 83 ILE B 86 0 SHEET 2 B 5 LYS B 72 ASN B 77 -1 N VAL B 75 O THR B 84 SHEET 3 B 5 ARG B 60 SER B 69 -1 N THR B 65 O VAL B 76 SHEET 4 B 5 ALA B 40 ARG B 48 -1 N ASP B 46 O ASP B 62 SHEET 5 B 5 GLN B 101 TRP B 102 -1 O GLN B 101 N THR B 43 SHEET 1 C 5 VAL C 83 ILE C 86 0 SHEET 2 C 5 LYS C 72 ASN C 77 -1 N VAL C 75 O THR C 84 SHEET 3 C 5 ARG C 60 SER C 69 -1 N THR C 65 O VAL C 76 SHEET 4 C 5 GLY C 42 ARG C 48 -1 N SER C 44 O ALA C 64 SHEET 5 C 5 GLN C 101 TRP C 102 -1 O GLN C 101 N THR C 43 SHEET 1 D 5 VAL D 83 ILE D 86 0 SHEET 2 D 5 LYS D 72 ASN D 77 -1 N VAL D 75 O THR D 84 SHEET 3 D 5 ARG D 60 SER D 69 -1 N THR D 65 O VAL D 76 SHEET 4 D 5 GLY D 42 ARG D 48 -1 N SER D 44 O ALA D 64 SHEET 5 D 5 GLN D 101 TRP D 102 -1 O GLN D 101 N THR D 43

LINK CA CA A 401 OE2 GLU A 24 1555 1555 2.44 LINK CA CA A 401 O HOH A 405 1555 1555 2.34 LINK CA CA A 401 O HOH D 432 1555 1555 2.71 LINK CA CA A 401 O HOH D 436 1555 1555 2.55 LINK CA CA A 401 OE1 GLU A 24 1555 1555 3.00 LINK CA CA A 401 OG1 THR D 90 1555 1555 2.55 LINK CA CA A 401 O HOH D 405 1555 1555 2.43 LINK CA CA A 401 O GLU D 24 1555 1555 2.37 LINK CA CA B 404 OE1 GLU B 24 1555 1555 3.02 LINK CA CA B 404 OE2 GLU B 24 1555 1555 2.46 LINK CA CA B 404 O HOH B 410 1555 1555 2.34 LINK CA CA B 404 O HOH C 407 1555 1555 2.43 LINK CA CA B 404 OG1 THR C 90 1555 1555 2.53 LINK CA CA B 404 O HOH C 432 1555 1555 2.41 LINK CA CA B 404 O GLU C 24 1555 1555 2.37 LINK CA CA C 403 O HOH B 417 1555 1555 2.36 LINK CA CA C 403 OG1 THR B 90 1555 1555 2.61 LINK CA CA C 403 OE1 GLU C 24 1555 1555 3.27 LINK CA CA C 403 OE2 GLU C 24 1555 1555 2.54 LINK CA CA C 403 O HOH B 413 1555 1555 2.39 LINK CA CA C 403 O HOH C 410 1555 1555 2.44 LINK CA CA C 403 O GLU B 24 1555 1555 2.39 LINK CA CA D 402 O HOH A 414 1555 1555 2.38 LINK CA CA D 402 OE1 GLU D 24 1555 1555 3.26 LINK CA CA D 402 OE2 GLU D 24 1555 1555 2.54 LINK CA CA D 402 O HOH D 409 1555 1555 2.45 LINK CA CA D 402 OG1 THR A 90 1555 1555 2.62 LINK CA CA D 402 O HOH A 408 1555 1555 2.39 LINK CA CA D 402 O HOH A 426 1555 1555 2.36 LINK CA CA D 402 O GLU A 24 1555 1555 2.40

CISPEP 1 PRO A 54 PRO A 55 0 -0.11 CISPEP 2 PRO B 54 PRO B 55 0 0.03 CISPEP 3 PRO C 54 PRO C 55 0 -0.09 CISPEP 4 PRO D 54 PRO D 55 0 -0.13

SITE 1 AC1 7 GLU A 24 HOH A 405 GLU D 24 THR D 90 SITE 2 AC1 7 HOH D 405 HOH D 432 HOH D 436 SITE 1 AC2 7 GLU A 24 THR A 90 HOH A 408 HOH A 414 SITE 2 AC2 7 HOH A 426 GLU D 24 HOH D 409 SITE 1 AC3 6 GLU B 24 THR B 90 HOH B 413 HOH B 417 SITE 2 AC3 6 GLU C 24 HOH C 410 SITE 1 AC4 6 GLU B 24 HOH B 410 GLU C 24 THR C 90 SITE 2 AC4 6 HOH C 407 HOH C 432

CRYST1 65.220 65.220 100.740 90.00 90.00 120.00 P 31 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 0.015333 0.008852 0.000000 0.00000

SCALE2 0.000000 0.017705 0.000000 0.00000

SCALE3 0.000000 0.000000 0.009927 0.00000