HEADER BIOTIN-BINDING PROTEIN 28-AUG-02 1MK5 TITLE WILDTYPE CORE-STREPTAVIDIN WITH BIOTIN AT 1.4A. COMPND MOL_ID: 1; COMPND 2 MOLECULE: STREPTAVIDIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: CORE STREPTAVIDIN (RESIDUES 13-139); COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES AVIDINII; SOURCE 3 ORGANISM_TAXID: 1895; SOURCE 4 GENE: CORE STREPTAVIDIN; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET21A KEYWDS HOMODIMER, BIOTIN-BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR D.E.HYRE,I.LE TRONG,E.A.MERRITT,N.M.GREEN,R.E.STENKAMP,P.S.STAYTON REVDAT 4 14-FEB-24 1MK5 1 REMARK REVDAT 3 24-FEB-09 1MK5 1 VERSN REVDAT 2 14-MAR-06 1MK5 1 JRNL REVDAT 1 09-SEP-03 1MK5 0 JRNL AUTH D.E.HYRE,I.LE TRONG,E.A.MERRITT,J.F.ECCLESTON,N.M.GREEN, JRNL AUTH 2 R.E.STENKAMP,P.S.STAYTON JRNL TITL COOPERATIVE HYDROGEN BOND INTERACTIONS IN THE JRNL TITL 2 STREPTAVIDIN-BIOTIN SYSTEM JRNL REF PROTEIN SCI. V. 15 459 2006 JRNL REFN ISSN 0961-8368 JRNL PMID 16452627 JRNL DOI 10.1110/PS.051970306 REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.128 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.128 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.189 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 2201 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 44020 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.119 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.040 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.178 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 1942 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 38979 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1803 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 32 REMARK 3 SOLVENT ATOMS : 239 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2069.0 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 1690.0 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 12 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 18964 REMARK 3 NUMBER OF RESTRAINTS : 23730 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 ANGLE DISTANCES (A) : 0.032 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.032 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.059 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.072 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.040 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.003 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.051 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.091 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REDUCED FREE R REMARK 3 (NO CUTOFF) BY ? REMARK 4 REMARK 4 1MK5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-SEP-02. REMARK 100 THE DEPOSITION ID IS D_1000016973. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-OCT-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 44171 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 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 (%) : 98.8 REMARK 200 DATA REDUNDANCY : 8.700 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 30.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.45 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.4 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.20000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: ISOMORPHOUS REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: 1DF8 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 33.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.86 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULPHATE, SODIUM ACETATE, REMARK 280 SODIUM CHLORIDE, PH 4.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 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 -X,Y,-Z REMARK 290 4555 X,-Y,-Z 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 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+1/2,-Z+1/2 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 -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 0.00000 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 23.15250 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 46.70700 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 51.96550 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 23.15250 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 46.70700 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 51.96550 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 23.15250 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 46.70700 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 51.96550 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 23.15250 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 46.70700 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 51.96550 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 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 APPLY THE FOLLOWING TO CHAINS: A, 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 BIOMT1 2 -1.000000 0.000000 0.000000 46.30500 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 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 A6126 LIES ON A SPECIAL POSITION. REMARK 375 HOH B6078 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 ALA A 13 REMARK 465 PRO A 135 REMARK 465 SER A 136 REMARK 465 ALA A 137 REMARK 465 ALA A 138 REMARK 465 SER A 139 REMARK 465 ALA B 13 REMARK 465 GLU B 14 REMARK 465 ALA B 15 REMARK 465 SER B 136 REMARK 465 ALA B 137 REMARK 465 ALA B 138 REMARK 465 SER B 139 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 84 CD - NE - CZ ANGL. DEV. = 8.5 DEGREES REMARK 500 ARG A 84 NE - CZ - NH1 ANGL. DEV. = -3.9 DEGREES REMARK 500 GLY A 113 O - C - N ANGL. DEV. = -10.5 DEGREES REMARK 500 THR A 114 C - N - CA ANGL. DEV. = 22.7 DEGREES REMARK 500 ASP B 36 CB - CG - OD1 ANGL. DEV. = -6.6 DEGREES REMARK 500 ARG B 53 CD - NE - CZ ANGL. DEV. = 10.9 DEGREES REMARK 500 ARG B 53 NH1 - CZ - NH2 ANGL. DEV. = -7.6 DEGREES REMARK 500 ARG B 53 NE - CZ - NH1 ANGL. DEV. = 5.7 DEGREES REMARK 500 THR B 57 CA - CB - CG2 ANGL. DEV. = -9.3 DEGREES REMARK 500 ARG B 84 NE - CZ - NH1 ANGL. DEV. = -5.7 DEGREES REMARK 500 GLU B 101 CA - CB - CG ANGL. DEV. = 14.6 DEGREES REMARK 500 ARG B 103 NE - CZ - NH2 ANGL. DEV. = 4.6 DEGREES 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 SER A 52 -159.04 72.91 REMARK 500 SER A 52 -165.34 63.10 REMARK 500 GLU A 101 69.83 -112.41 REMARK 500 SER B 52 -160.56 62.80 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 22 0.07 SIDE CHAIN 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 5100 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BTN B 5200 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1MEP RELATED DB: PDB REMARK 900 STREPTAVIDIN DOUBLE MUTANT S45A/D128A WITH BIOTIN REMARK 900 RELATED ID: 1SWE RELATED DB: PDB REMARK 900 APO-CORE-STREPTAVIDIN IN COMPLEX WITH BIOTIN AT PH 4.5 DBREF 1MK5 A 13 139 UNP P22629 SAV_STRAV 37 163 DBREF 1MK5 B 13 139 UNP P22629 SAV_STRAV 37 163 SEQRES 1 A 127 ALA GLU ALA GLY ILE THR GLY THR TRP TYR ASN GLN LEU SEQRES 2 A 127 GLY SER THR PHE ILE VAL THR ALA GLY ALA ASP GLY ALA SEQRES 3 A 127 LEU THR GLY THR TYR GLU SER ALA VAL GLY ASN ALA GLU SEQRES 4 A 127 SER ARG TYR VAL LEU THR GLY ARG TYR ASP SER ALA PRO SEQRES 5 A 127 ALA THR ASP GLY SER GLY THR ALA LEU GLY TRP THR VAL SEQRES 6 A 127 ALA TRP LYS ASN ASN TYR ARG ASN ALA HIS SER ALA THR SEQRES 7 A 127 THR TRP SER GLY GLN TYR VAL GLY GLY ALA GLU ALA ARG SEQRES 8 A 127 ILE ASN THR GLN TRP LEU LEU THR SER GLY THR THR GLU SEQRES 9 A 127 ALA ASN ALA TRP LYS SER THR LEU VAL GLY HIS ASP THR SEQRES 10 A 127 PHE THR LYS VAL LYS PRO SER ALA ALA SER SEQRES 1 B 127 ALA GLU ALA GLY ILE THR GLY THR TRP TYR ASN GLN LEU SEQRES 2 B 127 GLY SER THR PHE ILE VAL THR ALA GLY ALA ASP GLY ALA SEQRES 3 B 127 LEU THR GLY THR TYR GLU SER ALA VAL GLY ASN ALA GLU SEQRES 4 B 127 SER ARG TYR VAL LEU THR GLY ARG TYR ASP SER ALA PRO SEQRES 5 B 127 ALA THR ASP GLY SER GLY THR ALA LEU GLY TRP THR VAL SEQRES 6 B 127 ALA TRP LYS ASN ASN TYR ARG ASN ALA HIS SER ALA THR SEQRES 7 B 127 THR TRP SER GLY GLN TYR VAL GLY GLY ALA GLU ALA ARG SEQRES 8 B 127 ILE ASN THR GLN TRP LEU LEU THR SER GLY THR THR GLU SEQRES 9 B 127 ALA ASN ALA TRP LYS SER THR LEU VAL GLY HIS ASP THR SEQRES 10 B 127 PHE THR LYS VAL LYS PRO SER ALA ALA SER HET BTN A5100 16 HET BTN B5200 16 HETNAM BTN BIOTIN FORMUL 3 BTN 2(C10 H16 N2 O3 S) FORMUL 5 HOH *239(H2 O) HELIX 1 1 THR A 115 LYS A 121 5 7 HELIX 2 2 THR B 115 LYS B 121 5 7 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 GLU A 44 N THR A 28 SHEET 4 A 9 TYR A 54 TYR A 60 -1 O TYR A 54 N TYR A 43 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 TYR A 96 N THR A 71 SHEET 7 A 9 ARG A 103 SER A 112 -1 O ARG A 103 N VAL A 97 SHEET 8 A 9 THR A 123 VAL A 133 -1 O PHE A 130 N ILE A 104 SHEET 9 A 9 GLY A 19 ASN A 23 -1 N THR A 20 O VAL A 133 SHEET 1 B 9 GLY B 19 ASN B 23 0 SHEET 2 B 9 THR B 28 ALA B 33 -1 O PHE B 29 N TRP B 21 SHEET 3 B 9 ALA B 38 GLU B 44 -1 O THR B 42 N ILE B 30 SHEET 4 B 9 TYR B 54 TYR B 60 -1 O TYR B 54 N TYR B 43 SHEET 5 B 9 THR B 71 LYS B 80 -1 O THR B 76 N THR B 57 SHEET 6 B 9 ASN B 85 VAL B 97 -1 O TYR B 96 N THR B 71 SHEET 7 B 9 ARG B 103 SER B 112 -1 O ARG B 103 N VAL B 97 SHEET 8 B 9 THR B 123 THR B 131 -1 O PHE B 130 N ILE B 104 SHEET 9 B 9 GLY B 19 ASN B 23 -1 N TYR B 22 O THR B 131 SITE 1 AC1 15 ASN A 23 LEU A 25 SER A 27 TYR A 43 SITE 2 AC1 15 SER A 45 VAL A 47 GLY A 48 ASN A 49 SITE 3 AC1 15 TRP A 79 SER A 88 THR A 90 TRP A 108 SITE 4 AC1 15 ASP A 128 HOH A6154 TRP B 120 SITE 1 AC2 15 TRP A 120 ASN B 23 LEU B 25 SER B 27 SITE 2 AC2 15 TYR B 43 SER B 45 VAL B 47 ASN B 49 SITE 3 AC2 15 TRP B 79 SER B 88 THR B 90 TRP B 108 SITE 4 AC2 15 LEU B 110 ASP B 128 HOH B6205 CRYST1 46.305 93.414 103.931 90.00 90.00 90.00 I 2 2 2 16 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 0.021596 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010705 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009622 0.00000