HEADER BIOTIN-BINDING PROTEIN 09-APR-12 4EKV TITLE STREPTAVIDIN 8-AA-LOOP H127C MUTEIN WITH REVERSIBLE BIOTIN BINDING COMPND MOL_ID: 1; COMPND 2 MOLECULE: STREPTAVIDIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES AVIDINII; SOURCE 3 ORGANISM_TAXID: 1895; SOURCE 4 EXPRESSION_SYSTEM: BACILLUS SUBTILIS; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 1423; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: WB800; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PSSAV KEYWDS BETA-BARREL, BINDING PROTEIN, BIOTIN-BINDING, BIOTIN-BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR I.H.BARRETTE-NG,C.HONETSCHLAEGER,S.L.WONG,K.K.S.NG REVDAT 2 15-NOV-17 4EKV 1 REMARK REVDAT 1 13-JUN-12 4EKV 0 JRNL AUTH V.J.O'SULLIVAN,I.BARRETTE-NG,E.HOMMEMA,G.T.HERMANSON, JRNL AUTH 2 M.SCHOFIELD,S.C.WU,C.HONETSCHLAEGER,K.K.NG,S.L.WONG JRNL TITL DEVELOPMENT OF A TETRAMERIC STREPTAVIDIN MUTEIN WITH JRNL TITL 2 REVERSIBLE BIOTIN BINDING CAPABILITY: ENGINEERING A MOBILE JRNL TITL 3 LOOP AS AN EXIT DOOR FOR BIOTIN. JRNL REF PLOS ONE V. 7 35203 2012 JRNL REFN ESSN 1932-6203 JRNL PMID 22536357 JRNL DOI 10.1371/JOURNAL.PONE.0035203 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.39 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 7585 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 + TEST SET) : 0.190 REMARK 3 R VALUE (WORKING SET) : 0.188 REMARK 3 FREE R VALUE : 0.225 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 394 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.05 REMARK 3 REFLECTION IN BIN (WORKING SET) : 404 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.2810 REMARK 3 BIN FREE R VALUE SET COUNT : 23 REMARK 3 BIN FREE R VALUE : 0.3670 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 898 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 17 REMARK 3 SOLVENT ATOMS : 70 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 35.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 37.56 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.98000 REMARK 3 B22 (A**2) : -0.98000 REMARK 3 B33 (A**2) : 1.96000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.199 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.165 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.114 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.098 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.955 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.939 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 936 ; 0.009 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1280 ; 1.265 ; 1.923 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 121 ; 6.363 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 36 ;25.783 ;23.889 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 122 ; 9.974 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 4 ; 9.614 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 147 ; 0.079 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 710 ; 0.003 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 601 ; 2.048 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 950 ; 3.204 ; 2.500 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 335 ; 4.263 ; 3.500 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 330 ; 5.767 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: U VALUES: REFINED INDIVIDUALLY. THE SF REMARK 3 DATA DO NOT HAVE FREE SET MARKER. REMARK 4 REMARK 4 4EKV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-MAY-12. REMARK 100 THE DEPOSITION ID IS D_1000071745. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-DEC-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 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 RUH3R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : OSMIC MULTILAYER REMARK 200 OPTICS : OSMIC MULTILAYER REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8607 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.1 REMARK 200 DATA REDUNDANCY : 6.700 REMARK 200 R MERGE (I) : 0.06300 REMARK 200 R SYM (I) : 0.06300 REMARK 200 FOR THE DATA SET : 28.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.02 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.60 REMARK 200 R MERGE FOR SHELL (I) : 0.49600 REMARK 200 R SYM FOR SHELL (I) : 0.04960 REMARK 200 FOR SHELL : 2.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 1SWE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 29.88 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.75 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50% TACSIMATE, 10% GLYCEROL, PH 6.0, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 42 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -Y+1/2,X+1/2,Z+1/2 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/2 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/2 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 0.00000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 28.53300 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 28.53300 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 35.09300 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 28.53300 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 28.53300 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 35.09300 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 28.53300 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 28.53300 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 35.09300 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 28.53300 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 28.53300 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 35.09300 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 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 HOMOTETRAMER IS GENERATED FROM THE SINGLE PROTOMER IN REMARK 300 THE ASYMMETRIC UNIT USING THE FOUR-FOLD CRYSTALLOGRAPHIC SYMMETRY REMARK 300 OPERATORS. 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: 9110 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20570 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -74.0 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 0.00000 REMARK 350 BIOMT1 3 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 3 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 350 BIOMT1 4 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 4 0.000000 0.000000 -1.000000 0.00000 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 A 302 LIES ON A SPECIAL POSITION. 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 ASP A 1 REMARK 465 PRO A 2 REMARK 465 SER A 3 REMARK 465 LYS A 4 REMARK 465 ASP A 5 REMARK 465 SER A 6 REMARK 465 LYS A 7 REMARK 465 ALA A 8 REMARK 465 GLN A 9 REMARK 465 VAL A 10 REMARK 465 SER A 11 REMARK 465 GLY A 113 REMARK 465 ASP A 114 REMARK 465 SER A 115 REMARK 465 SER A 116 REMARK 465 ASN A 117 REMARK 465 GLY A 118 REMARK 465 SER A 119 REMARK 465 ASP A 120 REMARK 465 GLY A 121 REMARK 465 LYS A 144 REMARK 465 LYS A 145 REMARK 465 ALA A 146 REMARK 465 GLY A 147 REMARK 465 VAL A 148 REMARK 465 ASN A 149 REMARK 465 ASN A 150 REMARK 465 GLY A 151 REMARK 465 ASN A 152 REMARK 465 PRO A 153 REMARK 465 LEU A 154 REMARK 465 ASP A 155 REMARK 465 ALA A 156 REMARK 465 VAL A 157 REMARK 465 GLN A 158 REMARK 465 GLN A 159 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 52 -156.19 63.75 REMARK 500 GLU A 101 54.59 -117.37 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BTN A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 202 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1SWE RELATED DB: PDB REMARK 900 WILD-TYPE STREPTAVIDIN USED AS THE MOLECULAR REPLACEMENT SEARCH REMARK 900 MODEL REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE 8-RESIDUE LOOP REGION WAS MODIFIED FROM TTEANAWK TO DSSNGSDG DBREF 4EKV A 1 159 UNP P22629 SAV_STRAV 25 183 SEQADV 4EKV ASP A 114 UNP P22629 THR 138 SEE REMARK 999 SEQADV 4EKV SER A 115 UNP P22629 THR 139 SEE REMARK 999 SEQADV 4EKV SER A 116 UNP P22629 GLU 140 SEE REMARK 999 SEQADV 4EKV ASN A 117 UNP P22629 ALA 141 SEE REMARK 999 SEQADV 4EKV GLY A 118 UNP P22629 ASN 142 SEE REMARK 999 SEQADV 4EKV SER A 119 UNP P22629 ALA 143 SEE REMARK 999 SEQADV 4EKV ASP A 120 UNP P22629 TRP 144 SEE REMARK 999 SEQADV 4EKV GLY A 121 UNP P22629 LYS 145 SEE REMARK 999 SEQADV 4EKV CYS A 127 UNP P22629 HIS 151 ENGINEERED MUTATION SEQRES 1 A 159 ASP PRO SER LYS ASP SER LYS ALA GLN VAL SER ALA ALA SEQRES 2 A 159 GLU ALA GLY ILE THR GLY THR TRP TYR ASN GLN LEU GLY SEQRES 3 A 159 SER THR PHE ILE VAL THR ALA GLY ALA ASP GLY ALA LEU SEQRES 4 A 159 THR GLY THR TYR GLU SER ALA VAL GLY ASN ALA GLU SER SEQRES 5 A 159 ARG TYR VAL LEU THR GLY ARG TYR ASP SER ALA PRO ALA SEQRES 6 A 159 THR ASP GLY SER GLY THR ALA LEU GLY TRP THR VAL ALA SEQRES 7 A 159 TRP LYS ASN ASN TYR ARG ASN ALA HIS SER ALA THR THR SEQRES 8 A 159 TRP SER GLY GLN TYR VAL GLY GLY ALA GLU ALA ARG ILE SEQRES 9 A 159 ASN THR GLN TRP LEU LEU THR SER GLY ASP SER SER ASN SEQRES 10 A 159 GLY SER ASP GLY SER THR LEU VAL GLY CYS ASP THR PHE SEQRES 11 A 159 THR LYS VAL LYS PRO SER ALA ALA SER ILE ASP ALA ALA SEQRES 12 A 159 LYS LYS ALA GLY VAL ASN ASN GLY ASN PRO LEU ASP ALA SEQRES 13 A 159 VAL GLN GLN HET BTN A 201 16 HET CL A 202 1 HETNAM BTN BIOTIN HETNAM CL CHLORIDE ION FORMUL 2 BTN C10 H16 N2 O3 S FORMUL 3 CL CL 1- FORMUL 4 HOH *70(H2 O) HELIX 1 1 ALA A 12 THR A 18 1 7 HELIX 2 2 SER A 136 ALA A 143 1 8 SHEET 1 A 9 GLY A 19 ASN A 23 0 SHEET 2 A 9 THR A 28 ALA A 33 -1 O PHE A 29 N TRP A 21 SHEET 3 A 9 ALA A 38 GLU A 44 -1 O THR A 42 N ILE A 30 SHEET 4 A 9 TYR A 54 TYR A 60 -1 O GLY A 58 N LEU A 39 SHEET 5 A 9 THR A 71 LYS A 80 -1 O THR A 76 N THR A 57 SHEET 6 A 9 ASN A 85 VAL A 97 -1 O ALA A 86 N TRP A 79 SHEET 7 A 9 ARG A 103 THR A 111 -1 O ARG A 103 N VAL A 97 SHEET 8 A 9 LEU A 124 THR A 131 -1 O LEU A 124 N LEU A 110 SHEET 9 A 9 GLY A 19 ASN A 23 -1 N TYR A 22 O THR A 131 SSBOND 1 CYS A 127 CYS A 127 1555 7555 2.52 SITE 1 AC1 13 ASN A 23 SER A 27 TYR A 43 SER A 45 SITE 2 AC1 13 VAL A 47 ASN A 49 TRP A 79 ALA A 86 SITE 3 AC1 13 SER A 88 THR A 90 TRP A 108 ASP A 128 SITE 4 AC1 13 HOH A 325 SITE 1 AC2 6 GLY A 34 ALA A 35 ASP A 36 GLY A 37 SITE 2 AC2 6 ALA A 38 HOH A 368 CRYST1 57.066 57.066 70.186 90.00 90.00 90.00 P 42 21 2 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 0.017524 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017524 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014248 0.00000 MASTER 353 0 2 2 9 0 6 6 0 0 0 13 END