HEADER PEPTIDE BINDING PROTEIN 29-JAN-09 3G1B TITLE THE STRUCTURE OF THE M53A MUTANT OF CAULOBACTER CRESCENTUS CLPS TITLE 2 PROTEASE ADAPTOR PROTEIN IN COMPLEX WITH WLFVQRDSKE PEPTIDE COMPND MOL_ID: 1; COMPND 2 MOLECULE: ATP-DEPENDENT CLP PROTEASE ADAPTER PROTEIN CLPS; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: 10-RESIDUE PEPTIDE; COMPND 8 CHAIN: C, D; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CAULOBACTER VIBRIOIDES; SOURCE 3 ORGANISM_COMMON: CAULOBACTER VIBRIOIDES; SOURCE 4 ORGANISM_TAXID: 155892; SOURCE 5 STRAIN: CB15; SOURCE 6 GENE: CC_2467, CLPS; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET23B; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 OTHER_DETAILS: SYNTHETIC PEPTIDE KEYWDS ADAPTOR, PROTEIN-PEPTIDE COMPLEX, PEPTIDE-BINDING PROTEIN, PEPTIDE KEYWDS 2 BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR T.A.BAKER,G.ROMAN-HERNANDEZ,R.T.SAUER,R.A.GRANT REVDAT 5 06-SEP-23 3G1B 1 REMARK REVDAT 4 20-OCT-21 3G1B 1 REMARK SEQADV LINK REVDAT 3 01-NOV-17 3G1B 1 REMARK REVDAT 2 30-JUN-09 3G1B 1 JRNL REVDAT 1 28-APR-09 3G1B 0 JRNL AUTH G.ROMAN-HERNANDEZ,R.A.GRANT,R.T.SAUER,T.A.BAKER JRNL TITL MOLECULAR BASIS OF SUBSTRATE SELECTION BY THE N-END RULE JRNL TITL 2 ADAPTOR PROTEIN CLPS. JRNL REF PROC.NATL.ACAD.SCI.USA V. 106 8888 2009 JRNL REFN ISSN 0027-8424 JRNL PMID 19451643 JRNL DOI 10.1073/PNAS.0903614106 REMARK 2 REMARK 2 RESOLUTION. 1.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.73 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.450 REMARK 3 COMPLETENESS FOR RANGE (%) : 88.5 REMARK 3 NUMBER OF REFLECTIONS : 23763 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.175 REMARK 3 R VALUE (WORKING SET) : 0.173 REMARK 3 FREE R VALUE : 0.194 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1949 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 22.7280 - 3.4860 0.88 1604 133 0.1960 0.2000 REMARK 3 2 3.4860 - 2.7690 0.95 1669 167 0.1520 0.1730 REMARK 3 3 2.7690 - 2.4190 0.97 1713 159 0.1480 0.1500 REMARK 3 4 2.4190 - 2.1980 0.97 1680 180 0.1460 0.1600 REMARK 3 5 2.1980 - 2.0410 0.96 1687 166 0.1400 0.1830 REMARK 3 6 2.0410 - 1.9200 0.96 1644 178 0.1500 0.1970 REMARK 3 7 1.9200 - 1.8240 0.96 1673 154 0.1660 0.1960 REMARK 3 8 1.8240 - 1.7450 0.97 1729 134 0.1580 0.1740 REMARK 3 9 1.7450 - 1.6780 0.96 1684 139 0.1530 0.1960 REMARK 3 10 1.6780 - 1.6200 0.95 1705 129 0.1470 0.1930 REMARK 3 11 1.6200 - 1.5690 0.94 1671 139 0.1450 0.1560 REMARK 3 12 1.5690 - 1.5240 0.87 1506 129 0.1370 0.1760 REMARK 3 13 1.5240 - 1.4840 0.63 1128 81 0.1430 0.2180 REMARK 3 14 1.4840 - 1.4480 0.42 721 61 0.1560 0.1730 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 K_SOL : 0.46 REMARK 3 B_SOL : 50.26 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.120 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.86 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.27600 REMARK 3 B22 (A**2) : -2.15800 REMARK 3 B33 (A**2) : -0.11800 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.96200 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.006 2754 REMARK 3 ANGLE : 0.818 4944 REMARK 3 CHIRALITY : 0.058 213 REMARK 3 PLANARITY : 0.004 421 REMARK 3 DIHEDRAL : 14.924 683 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3G1B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-FEB-09. REMARK 100 THE DEPOSITION ID IS D_1000051297. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-DEC-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 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 MICROMAX-007 HF REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : VARIMAX-HF REMARK 200 OPTICS : VARIMAX-HR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23780 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.450 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 88.7 REMARK 200 DATA REDUNDANCY : 5.200 REMARK 200 R MERGE (I) : 0.05700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 34.2920 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 47.7 REMARK 200 DATA REDUNDANCY IN SHELL : 3.10 REMARK 200 R MERGE FOR SHELL (I) : 0.08100 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: NULL REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 3DNJ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 27.84 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.70 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M BIS-TRIS PH 5.5, 0.2 M MGCL2, REMARK 280 20% PEG 3350, VAPOR DIFFUSION, TEMPERATURE 300K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 27.00850 REMARK 290 SMTRY3 2 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2270 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 8950 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -16.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 590 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 4900 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -4.0 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 REMARK 350 BIOMOLECULE: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 610 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 5030 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -4.0 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 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 THR A 35 REMARK 465 GLN A 36 REMARK 465 LYS A 37 REMARK 465 PRO A 38 REMARK 465 SER A 39 REMARK 465 THR B 35 REMARK 465 GLN B 36 REMARK 465 LYS B 37 REMARK 465 PRO B 38 REMARK 465 VAL C 4 REMARK 465 GLN C 5 REMARK 465 ARG C 6 REMARK 465 ASP C 7 REMARK 465 SER C 8 REMARK 465 LYS C 9 REMARK 465 GLU C 10 REMARK 465 VAL D 4 REMARK 465 GLN D 5 REMARK 465 ARG D 6 REMARK 465 ASP D 7 REMARK 465 SER D 8 REMARK 465 LYS D 9 REMARK 465 GLU D 10 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 LEU C 2 CG CD1 CD2 REMARK 470 PHE C 3 CG CD1 CD2 CE1 CE2 CZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 264 O HOH B 206 2656 2.19 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 LEU A 112 126.09 -37.99 REMARK 500 GLN B 109 31.02 72.81 REMARK 500 LEU B 112 122.93 -36.41 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 1 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 119 O REMARK 620 2 HOH A 192 O 93.3 REMARK 620 3 ASP B 119 O 86.6 174.3 REMARK 620 4 HOH B 203 O 87.3 94.2 80.1 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 1 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 117 OE1 REMARK 620 2 GLU B 117 OE1 167.2 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 MG A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 1 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3DNJ RELATED DB: PDB REMARK 900 WILD TYPE PROTEIN WITH DIFFERENT PEPTIDE REMARK 900 RELATED ID: 3G19 RELATED DB: PDB DBREF 3G1B A 35 119 UNP Q9A5I0 CLPS_CAUCR 35 119 DBREF 3G1B B 35 119 UNP Q9A5I0 CLPS_CAUCR 35 119 DBREF 3G1B C 1 10 PDB 3G1B 3G1B 1 10 DBREF 3G1B D 1 10 PDB 3G1B 3G1B 1 10 SEQADV 3G1B ALA A 53 UNP Q9A5I0 MET 53 ENGINEERED MUTATION SEQADV 3G1B ALA B 53 UNP Q9A5I0 MET 53 ENGINEERED MUTATION SEQRES 1 A 85 THR GLN LYS PRO SER LEU TYR ARG VAL LEU ILE LEU ASN SEQRES 2 A 85 ASP ASP TYR THR PRO ALA GLU PHE VAL VAL TYR VAL LEU SEQRES 3 A 85 GLU ARG PHE PHE ASN LYS SER ARG GLU ASP ALA THR ARG SEQRES 4 A 85 ILE MET LEU HIS VAL HIS GLN ASN GLY VAL GLY VAL CYS SEQRES 5 A 85 GLY VAL TYR THR TYR GLU VAL ALA GLU THR LYS VAL ALA SEQRES 6 A 85 GLN VAL ILE ASP SER ALA ARG ARG HIS GLN HIS PRO LEU SEQRES 7 A 85 GLN CYS THR MET GLU LYS ASP SEQRES 1 B 85 THR GLN LYS PRO SER LEU TYR ARG VAL LEU ILE LEU ASN SEQRES 2 B 85 ASP ASP TYR THR PRO ALA GLU PHE VAL VAL TYR VAL LEU SEQRES 3 B 85 GLU ARG PHE PHE ASN LYS SER ARG GLU ASP ALA THR ARG SEQRES 4 B 85 ILE MET LEU HIS VAL HIS GLN ASN GLY VAL GLY VAL CYS SEQRES 5 B 85 GLY VAL TYR THR TYR GLU VAL ALA GLU THR LYS VAL ALA SEQRES 6 B 85 GLN VAL ILE ASP SER ALA ARG ARG HIS GLN HIS PRO LEU SEQRES 7 B 85 GLN CYS THR MET GLU LYS ASP SEQRES 1 C 10 TRP LEU PHE VAL GLN ARG ASP SER LYS GLU SEQRES 1 D 10 TRP LEU PHE VAL GLN ARG ASP SER LYS GLU HET MG A 1 1 HET MG B 1 1 HETNAM MG MAGNESIUM ION FORMUL 5 MG 2(MG 2+) FORMUL 7 HOH *329(H2 O) HELIX 1 1 PRO A 52 ASN A 65 1 14 HELIX 2 2 SER A 67 GLY A 82 1 16 HELIX 3 3 THR A 90 HIS A 108 1 19 HELIX 4 4 PRO B 52 PHE B 64 1 13 HELIX 5 5 SER B 67 GLY B 82 1 16 HELIX 6 6 TYR B 91 HIS B 108 1 18 SHEET 1 A 3 VAL A 83 TYR A 89 0 SHEET 2 A 3 TYR A 41 LEU A 46 -1 N VAL A 43 O CYS A 86 SHEET 3 A 3 GLN A 113 LYS A 118 -1 O THR A 115 N LEU A 44 SHEET 1 B 3 VAL B 83 THR B 90 0 SHEET 2 B 3 LEU B 40 LEU B 46 -1 N VAL B 43 O CYS B 86 SHEET 3 B 3 GLN B 113 LYS B 118 -1 O THR B 115 N LEU B 44 LINK MG MG A 1 O ASP A 119 1555 1555 2.14 LINK MG MG A 1 O HOH A 192 1555 1555 2.30 LINK MG MG A 1 O ASP B 119 1555 1555 2.14 LINK MG MG A 1 O HOH B 203 1555 1555 2.30 LINK OE1 GLU A 117 MG MG B 1 1555 1555 2.47 LINK MG MG B 1 OE1 GLU B 117 1555 1555 2.43 SITE 1 AC1 6 ASP A 119 HOH A 192 HOH A 202 ASP B 119 SITE 2 AC1 6 HOH B 140 HOH B 203 SITE 1 AC2 5 ARG A 42 GLU A 117 ARG B 42 LEU B 44 SITE 2 AC2 5 GLU B 117 CRYST1 33.597 54.017 44.891 90.00 110.48 90.00 P 1 21 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 0.029765 0.000000 0.011115 0.00000 SCALE2 0.000000 0.018513 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023779 0.00000