PDB Short entry for 1OU8 HEADER TRANSPORT PROTEIN 24-MAR-03 1OU8 TITLE STRUCTURE OF AN AAA+ PROTEASE DELIVERY PROTEIN IN COMPLEX WITH A TITLE 2 PEPTIDE DEGRADATION TAG COMPND MOL_ID: 1; COMPND 2 MOLECULE: STRINGENT STARVATION PROTEIN B HOMOLOG; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: RESIDUES 1-111; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: SYNTHETIC SSRA PEPTIDE; COMPND 8 CHAIN: C, D; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HAEMOPHILUS INFLUENZAE; SOURCE 3 ORGANISM_TAXID: 727; SOURCE 4 GENE: SSPB; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 MOL_ID: 2; SOURCE 8 SYNTHETIC: YES; SOURCE 9 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 10 ORGANISM_TAXID: 32630; SOURCE 11 OTHER_DETAILS: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED. KEYWDS PEPTIDE-BINDING POCKET, PROTEIN-PEPTIDE COMPLEX, HOMODIMER, TRANSPORT KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR I.LEVCHENKO,R.A.GRANT,D.A.WAH,R.T.SAUER,T.A.BAKER REVDAT 4 16-AUG-23 1OU8 1 REMARK LINK REVDAT 3 30-OCT-19 1OU8 1 SOURCE REMARK REVDAT 2 24-FEB-09 1OU8 1 VERSN REVDAT 1 23-SEP-03 1OU8 0 JRNL AUTH I.LEVCHENKO,R.A.GRANT,D.A.WAH,R.T.SAUER,T.A.BAKER JRNL TITL STRUCTURE OF A DELIVERY PROTEIN FOR AN AAA+ PROTEASE IN JRNL TITL 2 COMPLEX WITH A PEPTIDE DEGRADATION TAG JRNL REF MOL.CELL V. 12 365 2003 JRNL REFN ISSN 1097-2765 JRNL PMID 14536076 JRNL DOI 10.1016/J.MOLCEL.2003.08.014 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH I.LEVCHENKO,M.SIEDEL,R.T.SAUER,T.A.BAKER REMARK 1 TITL A SPECIFICITY-ENHANCING FACTOR FOR THE CLPXP DEGRADATION REMARK 1 TITL 2 MACHINE REMARK 1 REF SCIENCE V. 289 2354 2000 REMARK 1 REFN ISSN 0036-8075 REMARK 1 DOI 10.1126/SCIENCE.289.5488.2354 REMARK 2 REMARK 2 RESOLUTION. 1.60 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) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 14.98 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 226623.290 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.2 REMARK 3 NUMBER OF REFLECTIONS : 37665 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) : 0.206 REMARK 3 FREE R VALUE : 0.225 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3770 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) : 1.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.70 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5357 REMARK 3 BIN R VALUE (WORKING SET) : 0.2240 REMARK 3 BIN FREE R VALUE : 0.2380 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 586 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.010 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1835 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 182 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.61000 REMARK 3 B22 (A**2) : 0.61000 REMARK 3 B33 (A**2) : -1.23000 REMARK 3 B12 (A**2) : 0.61000 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) : 0.19 REMARK 3 ESD FROM SIGMAA (A) : 0.08 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) : 0.21 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.11 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.760 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 : 0.41 REMARK 3 BSOL : 43.85 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 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1OU8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-MAR-03. REMARK 100 THE DEPOSITION ID IS D_1000018676. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-SEP-02 REMARK 200 TEMPERATURE (KELVIN) : 113 REMARK 200 PH : 5.7 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X4A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.92108 REMARK 200 MONOCHROMATOR : KOHZU DOUBLE CRYSTAL REMARK 200 MONOCHROMATOR SAGITALLY FOCUSED REMARK 200 SECOND CRYSTAL 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 : 38849 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 10.80 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.10700 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) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.70 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.63400 REMARK 200 <I/SIGMA(I)> 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: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1OU9 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.42 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.55 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CITRATE, SODIUM CACODYLATE, REMARK 280 SODIUM THIOCYANATE, PH 5.7, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 298K 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 34.97000 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 69.94000 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 69.94000 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 34.97000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3910 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12050 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -24.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 119.54615 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 174.85000 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3620 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11470 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -27.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, 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 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 104.91000 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 GLU A 2 REMARK 465 TYR A 3 REMARK 465 LYS A 4 REMARK 465 GLU A 111 REMARK 465 MET B 1 REMARK 465 GLU B 2 REMARK 465 TYR B 3 REMARK 465 LYS B 4 REMARK 465 GLU B 111 REMARK 465 GLY D 97 REMARK 465 ARG D 98 REMARK 465 HIS D 99 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 B 112 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 24 OG REMARK 620 2 HOH A 134 O 83.8 REMARK 620 3 ALA B 56 O 176.4 98.6 REMARK 620 4 THR B 59 O 99.8 83.4 77.9 REMARK 620 5 HOH B 169 O 85.4 169.2 92.2 99.5 REMARK 620 6 HOH B 170 O 102.9 102.8 79.2 157.0 78.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 112 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 56 O REMARK 620 2 THR A 59 O 80.2 REMARK 620 3 SER B 24 OG 177.2 100.9 REMARK 620 4 HOH B 118 O 98.7 81.6 84.0 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 112 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 112 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1OU9 RELATED DB: PDB REMARK 900 RELATED ID: 1OUL RELATED DB: PDB DBREF 1OU8 A 1 111 UNP P45206 SSPB_HAEIN 1 111 DBREF 1OU8 B 1 111 UNP P45206 SSPB_HAEIN 1 111 DBREF 1OU8 C 97 107 PDB 1OU8 1OU8 97 107 DBREF 1OU8 D 97 107 PDB 1OU8 1OU8 97 107 SEQRES 1 A 111 MET GLU TYR LYS SER SER PRO LYS ARG PRO TYR LEU LEU SEQRES 2 A 111 ARG ALA TYR TYR ASP TRP LEU VAL ASP ASN SER PHE THR SEQRES 3 A 111 PRO TYR LEU VAL VAL ASP ALA THR TYR LEU GLY VAL ASN SEQRES 4 A 111 VAL PRO VAL GLU TYR VAL LYS ASP GLY GLN ILE VAL LEU SEQRES 5 A 111 ASN LEU SER ALA SER ALA THR GLY ASN LEU GLN LEU THR SEQRES 6 A 111 ASN ASP PHE ILE GLN PHE ASN ALA ARG PHE LYS GLY VAL SEQRES 7 A 111 SER ARG GLU LEU TYR ILE PRO MET GLY ALA ALA LEU ALA SEQRES 8 A 111 ILE TYR ALA ARG GLU ASN GLY ASP GLY VAL MET PHE GLU SEQRES 9 A 111 PRO GLU GLU ILE TYR ASP GLU SEQRES 1 B 111 MET GLU TYR LYS SER SER PRO LYS ARG PRO TYR LEU LEU SEQRES 2 B 111 ARG ALA TYR TYR ASP TRP LEU VAL ASP ASN SER PHE THR SEQRES 3 B 111 PRO TYR LEU VAL VAL ASP ALA THR TYR LEU GLY VAL ASN SEQRES 4 B 111 VAL PRO VAL GLU TYR VAL LYS ASP GLY GLN ILE VAL LEU SEQRES 5 B 111 ASN LEU SER ALA SER ALA THR GLY ASN LEU GLN LEU THR SEQRES 6 B 111 ASN ASP PHE ILE GLN PHE ASN ALA ARG PHE LYS GLY VAL SEQRES 7 B 111 SER ARG GLU LEU TYR ILE PRO MET GLY ALA ALA LEU ALA SEQRES 8 B 111 ILE TYR ALA ARG GLU ASN GLY ASP GLY VAL MET PHE GLU SEQRES 9 B 111 PRO GLU GLU ILE TYR ASP GLU SEQRES 1 C 11 GLY ARG HIS GLY ALA ALA ASN ASP GLU ASN TYR SEQRES 1 D 11 GLY ARG HIS GLY ALA ALA ASN ASP GLU ASN TYR HET MG A 112 1 HET MG B 112 1 HETNAM MG MAGNESIUM ION FORMUL 5 MG 2(MG 2+) FORMUL 7 HOH *182(H2 O) HELIX 1 1 LYS A 8 ASN A 23 1 16 HELIX 2 2 PRO A 41 VAL A 45 5 5 HELIX 3 3 GLU A 106 ASP A 110 5 5 HELIX 4 4 LYS B 8 ASN B 23 1 16 HELIX 5 5 PRO B 41 VAL B 45 5 5 HELIX 6 6 GLU B 106 ASP B 110 5 5 SHEET 1 A 4 GLN A 49 ASN A 53 0 SHEET 2 A 4 PRO A 27 ASP A 32 -1 N LEU A 29 O LEU A 52 SHEET 3 A 4 ALA A 89 ALA A 94 -1 O TYR A 93 N TYR A 28 SHEET 4 A 4 GLY A 100 MET A 102 -1 O VAL A 101 N ILE A 92 SHEET 1 B 3 GLY A 60 LEU A 64 0 SHEET 2 B 3 PHE A 68 PHE A 75 -1 O ASN A 72 N GLY A 60 SHEET 3 B 3 VAL A 78 PRO A 85 -1 O ILE A 84 N ILE A 69 SHEET 1 C 4 GLN B 49 ASN B 53 0 SHEET 2 C 4 PRO B 27 ASP B 32 -1 N LEU B 29 O LEU B 52 SHEET 3 C 4 ALA B 89 ALA B 94 -1 O ALA B 91 N VAL B 30 SHEET 4 C 4 GLY B 100 MET B 102 -1 O VAL B 101 N ILE B 92 SHEET 1 D 3 GLY B 60 LEU B 64 0 SHEET 2 D 3 PHE B 68 PHE B 75 -1 O ASN B 72 N GLY B 60 SHEET 3 D 3 VAL B 78 PRO B 85 -1 O LEU B 82 N PHE B 71 LINK OG SER A 24 MG MG B 112 6656 1555 2.52 LINK O ALA A 56 MG MG A 112 1555 1555 2.20 LINK O THR A 59 MG MG A 112 1555 1555 2.28 LINK MG MG A 112 OG SER B 24 1555 6666 2.57 LINK MG MG A 112 O HOH B 118 1555 6666 2.39 LINK O HOH A 134 MG MG B 112 6656 1555 2.37 LINK O ALA B 56 MG MG B 112 1555 1555 2.25 LINK O THR B 59 MG MG B 112 1555 1555 2.34 LINK MG MG B 112 O HOH B 169 1555 1555 2.60 LINK MG MG B 112 O HOH B 170 1555 1555 2.62 SITE 1 AC1 6 SER A 24 HOH A 134 ALA B 56 THR B 59 SITE 2 AC1 6 HOH B 169 HOH B 170 SITE 1 AC2 4 ALA A 56 THR A 59 SER B 24 HOH B 118 CRYST1 69.020 69.020 104.910 90.00 90.00 120.00 P 31 2 1 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 0.014489 0.008365 0.000000 0.00000 SCALE2 0.000000 0.016730 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009532 0.00000