HEADER PROTEIN BINDING 09-OCT-01 1K51 TITLE A G55A MUTATION INDUCES 3D DOMAIN SWAPPING IN THE B1 DOMAIN OF PROTEIN TITLE 2 L FROM PEPTOSTREPTOCOCCUS MAGNUS COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN L; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: B1 DOMAIN (RESIDUES 111-173); COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: FINEGOLDIA MAGNA; SOURCE 3 ORGANISM_TAXID: 334413; SOURCE 4 STRAIN: ATCC 29328; SOURCE 5 GENE: PROTEIN L, B1 DOMAIN; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET3A KEYWDS PROTEIN L B1 DOMAIN, STRAINED BETA-HAIRPIN TURN, POSITIVE PHI ANGLES, KEYWDS 2 DOMAIN SWAPPING, AMYLOID FORMATION, PROTEIN BINDING EXPDTA X-RAY DIFFRACTION AUTHOR J.W.O'NEILL,D.E.KIM,K.JOHNSEN,D.BAKER,K.Y.J.ZHANG REVDAT 5 27-OCT-21 1K51 1 REMARK SEQADV LINK REVDAT 4 13-JUL-11 1K51 1 VERSN REVDAT 3 24-FEB-09 1K51 1 VERSN REVDAT 2 01-APR-03 1K51 1 JRNL REVDAT 1 05-DEC-01 1K51 0 JRNL AUTH J.W.O'NEILL,D.E.KIM,K.JOHNSEN,D.BAKER,K.Y.ZHANG JRNL TITL SINGLE-SITE MUTATIONS INDUCE 3D DOMAIN SWAPPING IN THE B1 JRNL TITL 2 DOMAIN OF PROTEIN L FROM PEPTOSTREPTOCOCCUS MAGNUS. JRNL REF STRUCTURE V. 9 1017 2001 JRNL REFN ISSN 0969-2126 JRNL PMID 11709166 JRNL DOI 10.1016/S0969-2126(01)00667-0 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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 : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 23.46 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1343900.090 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 10255 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) : 0.186 REMARK 3 FREE R VALUE : 0.210 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 495 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.009 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) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.91 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1572 REMARK 3 BIN R VALUE (WORKING SET) : 0.2120 REMARK 3 BIN FREE R VALUE : 0.2290 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 83 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.025 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 552 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 3 REMARK 3 SOLVENT ATOMS : 68 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 5.17000 REMARK 3 B22 (A**2) : -0.78000 REMARK 3 B33 (A**2) : -4.39000 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) : 0.19 REMARK 3 ESD FROM SIGMAA (A) : 0.07 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) : 0.12 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) : 26.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.570 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) : 1.150 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.760 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.760 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.880 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 41.26 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 : CARBOHYDRATE.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1K51 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-OCT-01. REMARK 100 THE DEPOSITION ID IS D_1000014568. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-NOV-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : MIRRORS REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10272 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 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 (%) : 98.6 REMARK 200 DATA REDUNDANCY : 5.700 REMARK 200 R MERGE (I) : 0.05600 REMARK 200 R SYM (I) : 0.06100 REMARK 200 FOR THE DATA SET : 31.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.6 REMARK 200 DATA REDUNDANCY IN SHELL : 5.40 REMARK 200 R MERGE FOR SHELL (I) : 0.13400 REMARK 200 R SYM FOR SHELL (I) : 0.13300 REMARK 200 FOR SHELL : 2.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: EPMR REMARK 200 STARTING MODEL: PDB ENTRY 1HZ5 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.37 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.36 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 225MM ZNOAC, 2% PEG8000, PH 6.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 30.04550 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 30.04550 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 24.00400 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 37.56250 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 24.00400 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 37.56250 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 30.04550 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 24.00400 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 37.56250 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 30.04550 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 24.00400 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 37.56250 REMARK 290 SMTRY3 8 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 300 REMARK: THE SECOND HALF OF THE 3D DOMAIN SWAPPED DIMER STRUCTURE IS REMARK 300 GENERATED BY: -X,Y,1/2 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 5230 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 7770 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -164.0 KCAL/MOL 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 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 30.04550 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A2055 LIES ON A SPECIAL POSITION. 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 MET A 1 CG SD CE REMARK 470 GLU A 3 CG CD OE1 OE2 REMARK 470 LYS A 7 CE NZ REMARK 470 LYS A 23 CG CD CE NZ REMARK 470 LYS A 42 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 LYS A 54 -30.08 -131.08 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 ZN A1001 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 MET A -7 O REMARK 620 2 MET A -7 N 71.4 REMARK 620 3 HIS A -5 NE2 91.4 121.9 REMARK 620 4 HIS A -3 ND1 87.7 105.8 129.1 REMARK 620 5 GLY A 64 OXT 162.0 91.9 92.0 103.6 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A1002 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A -6 NE2 REMARK 620 2 HIS A -1 NE2 117.0 REMARK 620 3 ASP A 50 OD1 106.5 123.7 REMARK 620 4 HOH A2056 O 99.1 103.6 102.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A1003 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A -4 NE2 REMARK 620 2 HIS A -2 ND1 129.5 REMARK 620 3 GLU A 2 OE2 104.8 100.7 REMARK 620 4 GLU A 27 OE2 91.8 88.0 148.8 REMARK 620 5 GLU A 27 OE1 110.1 109.3 96.4 52.7 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 1001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 1002 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 1003 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1HZ5 RELATED DB: PDB REMARK 900 MONOMERIC WT PROTEIN L B1 DOMAIN WITH Y47W SUBSTITUTION, ZN- REMARK 900 COORDINATED HIS-TAG' REMARK 900 RELATED ID: 1HZ6 RELATED DB: PDB REMARK 900 MONOMERIC WT PROTEIN L B1 DOMAIN WITH Y47W SUBSTITUTION. REMARK 900 RELATED ID: 1JML RELATED DB: PDB REMARK 900 CONVERSION OF MONOMERIC PROTEIN L TO AN OBLIGATE DIMER BY REMARK 900 COMPUTATIONAL PROTEIN DESIGN. REMARK 900 RELATED ID: 1K50 RELATED DB: PDB REMARK 900 A V49A MUTATION INDUCES 3D DOMAIN SWAPPING IN THE B1 DOMAIN. REMARK 900 RELATED ID: 1K52 RELATED DB: PDB REMARK 900 MONOMERIC PROTEIN L B1 DOMAIN WITH A K54G MUTATION. REMARK 900 RELATED ID: 1K53 RELATED DB: PDB REMARK 900 MONOMERIC PROTEIN L B1 DOMAIN WITH A G15A MUTATION. DBREF 1K51 A 2 64 UNP Q51912 Q51912_PEPMA 111 173 SEQADV 1K51 MET A -7 UNP Q51912 EXPRESSION TAG SEQADV 1K51 HIS A -6 UNP Q51912 EXPRESSION TAG SEQADV 1K51 HIS A -5 UNP Q51912 EXPRESSION TAG SEQADV 1K51 HIS A -4 UNP Q51912 EXPRESSION TAG SEQADV 1K51 HIS A -3 UNP Q51912 EXPRESSION TAG SEQADV 1K51 HIS A -2 UNP Q51912 EXPRESSION TAG SEQADV 1K51 HIS A -1 UNP Q51912 EXPRESSION TAG SEQADV 1K51 ALA A 0 UNP Q51912 EXPRESSION TAG SEQADV 1K51 MET A 1 UNP Q51912 EXPRESSION TAG SEQADV 1K51 TRP A 47 UNP Q51912 TYR 156 ENGINEERED MUTATION SEQADV 1K51 ALA A 55 UNP Q51912 GLY 164 ENGINEERED MUTATION SEQRES 1 A 72 MET HIS HIS HIS HIS HIS HIS ALA MET GLU GLU VAL THR SEQRES 2 A 72 ILE LYS ALA ASN LEU ILE PHE ALA ASN GLY SER THR GLN SEQRES 3 A 72 THR ALA GLU PHE LYS GLY THR PHE GLU LYS ALA THR SER SEQRES 4 A 72 GLU ALA TYR ALA TYR ALA ASP THR LEU LYS LYS ASP ASN SEQRES 5 A 72 GLY GLU TRP THR VAL ASP VAL ALA ASP LYS ALA TYR THR SEQRES 6 A 72 LEU ASN ILE LYS PHE ALA GLY HET ZN A1001 1 HET ZN A1002 1 HET ZN A1003 1 HETNAM ZN ZINC ION FORMUL 2 ZN 3(ZN 2+) FORMUL 5 HOH *68(H2 O) HELIX 1 1 THR A 25 THR A 39 1 15 HELIX 2 2 LEU A 40 GLY A 45 1 6 SHEET 1 A 2 VAL A 4 ILE A 11 0 SHEET 2 A 2 THR A 17 GLY A 24 -1 O GLN A 18 N LEU A 10 LINK O MET A -7 ZN ZN A1001 1555 1555 2.42 LINK N MET A -7 ZN ZN A1001 1555 1555 2.26 LINK NE2 HIS A -6 ZN ZN A1002 1555 1555 2.11 LINK NE2 HIS A -5 ZN ZN A1001 3555 1555 2.09 LINK NE2 HIS A -4 ZN ZN A1003 1555 1555 2.12 LINK ND1 HIS A -3 ZN ZN A1001 3555 1555 2.08 LINK ND1 HIS A -2 ZN ZN A1003 1555 1555 2.12 LINK NE2 HIS A -1 ZN ZN A1002 3555 1555 2.08 LINK OE2 GLU A 2 ZN ZN A1003 1555 1555 2.00 LINK OE2 GLU A 27 ZN ZN A1003 1555 1555 2.66 LINK OE1 GLU A 27 ZN ZN A1003 1555 1555 2.18 LINK OD1 ASP A 50 ZN ZN A1002 1555 1555 2.03 LINK OXT GLY A 64 ZN ZN A1001 6554 1555 2.16 LINK ZN ZN A1002 O HOH A2056 1555 1555 2.15 SITE 1 AC1 4 MET A -7 HIS A -3 HIS A -5 GLY A 64 SITE 1 AC2 5 HIS A -6 HIS A -1 ASP A 50 VAL A 51 SITE 2 AC2 5 HOH A2056 SITE 1 AC3 4 HIS A -4 HIS A -2 GLU A 2 GLU A 27 CRYST1 48.008 75.125 60.091 90.00 90.00 90.00 C 2 2 21 8 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 0.020830 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013311 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016641 0.00000 MASTER 341 0 3 2 2 0 4 6 0 0 0 6 END