HEADER BINDING PROTEIN 02-FEB-96 1POT TITLE SPERMIDINE/PUTRESCINE-BINDING PROTEIN COMPLEXED WITH SPERMIDINE TITLE 2 (MONOMER FORM) COMPND MOL_ID: 1; COMPND 2 MOLECULE: SPERMIDINE/PUTRESCINE-BINDING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: POTD; COMPND 5 OTHER_DETAILS: MONOMER FORM SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 OTHER_DETAILS: THE POLYAMINE TRANSPORT GENES IN ESCHERICHIA COLI HAD SOURCE 5 BEEN CLONED AND WAS PREVIOUSLY DESCRIBED (KASHIWAGI ET AL., (1990) SOURCE 6 J.BIOL.CHEM. 265:20893-20897, KASHIWAGI ET AL., (1991) J.BIOL.CHEM. SOURCE 7 266:20922-20927) KEYWDS POLYAMINE TRANSPORT PROTEIN, BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.SUGIYAMA,K.MAENAKA,M.MATSUSHIMA,K.MORIKAWA REVDAT 3 14-FEB-24 1POT 1 REMARK REVDAT 2 24-FEB-09 1POT 1 VERSN REVDAT 1 07-DEC-96 1POT 0 JRNL AUTH S.SUGIYAMA,Y.MATSUO,K.MAENAKA,D.G.VASSYLYEV,M.MATSUSHIMA, JRNL AUTH 2 K.KASHIWAGI,K.IGARASHI,K.MORIKAWA JRNL TITL THE 1.8-A X-RAY STRUCTURE OF THE ESCHERICHIA COLI POTD JRNL TITL 2 PROTEIN COMPLEXED WITH SPERMIDINE AND THE MECHANISM OF JRNL TITL 3 POLYAMINE BINDING. JRNL REF PROTEIN SCI. V. 5 1984 1996 JRNL REFN ISSN 0961-8368 JRNL PMID 8897598 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.SUGIYAMA,D.G.VASSYLYEV,M.MATSUSHIMA,K.KASHIWAGI, REMARK 1 AUTH 2 K.IGARASHI,K.MORIKAWA REMARK 1 TITL CRYSTAL STRUCTURE OF POTD, THE PRIMARY RECEPTOR OF THE REMARK 1 TITL 2 POLYAMINE TRANSPORT SYSTEM IN ESCHERICHIA COLI REMARK 1 REF J.BIOL.CHEM. V. 271 9519 1996 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 2 REMARK 1 AUTH K.KASHIWAGI,S.MIYAMOTO,E.NUKUI,H.KOBAYASHI,K.IGARASHI REMARK 1 TITL FUNCTIONS OF POTA AND POTD PROTEINS IN REMARK 1 TITL 2 SPERMIDINE-PREFERENTIAL UPTAKE SYSTEM IN ESCHERICHIA COLI REMARK 1 REF J.BIOL.CHEM. V. 268 19358 1993 REMARK 1 REFN ISSN 0021-9258 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 23364 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.198 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2548 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 327 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.013 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.037 ; 0.035 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.046 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.011 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.165 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.186 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.215 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : 0.243 ; 0.300 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 1.800 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 22.300; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 32.700; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.170 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.866 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.589 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.243 ; 2.500 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1POT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000175773. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-FEB-93 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MACSCIENCE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : WELMS REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24579 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 300.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 87.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.09100 REMARK 200 R SYM (I) : NULL 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 3555 -Y,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X,Z+3/4 REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X,-Y,Z REMARK 290 7555 -Y+1/2,X,Z+3/4 REMARK 290 8555 Y,-X+1/2,Z+1/4 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 65.15000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 65.15000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 19.35000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 65.15000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 9.67500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 65.15000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 29.02500 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 65.15000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 65.15000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 19.35000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 65.15000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 29.02500 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 65.15000 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 9.67500 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: MONOMERIC 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 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 24 REMARK 465 ASP A 25 REMARK 465 ARG A 348 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 LEU A 29 CB - CA - C ANGL. DEV. = 12.4 DEGREES REMARK 500 TYR A 37 CB - CG - CD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 TYR A 37 CB - CG - CD1 ANGL. DEV. = 5.3 DEGREES REMARK 500 ASP A 124 CB - CG - OD1 ANGL. DEV. = 9.5 DEGREES REMARK 500 TYR A 129 CB - CG - CD2 ANGL. DEV. = -6.5 DEGREES REMARK 500 TYR A 129 CB - CG - CD1 ANGL. DEV. = 8.0 DEGREES REMARK 500 ASP A 141 CB - CG - OD1 ANGL. DEV. = 7.3 DEGREES REMARK 500 ASP A 153 CB - CG - OD2 ANGL. DEV. = -5.7 DEGREES REMARK 500 ARG A 170 CD - NE - CZ ANGL. DEV. = 8.6 DEGREES REMARK 500 ARG A 170 NE - CZ - NH1 ANGL. DEV. = 6.2 DEGREES REMARK 500 ARG A 170 NE - CZ - NH2 ANGL. DEV. = -4.6 DEGREES REMARK 500 THR A 186 N - CA - CB ANGL. DEV. = 12.0 DEGREES REMARK 500 GLU A 220 CA - CB - CG ANGL. DEV. = 17.9 DEGREES REMARK 500 GLU A 250 OE1 - CD - OE2 ANGL. DEV. = -7.9 DEGREES REMARK 500 GLY A 251 N - CA - C ANGL. DEV. = 17.2 DEGREES REMARK 500 GLY A 252 N - CA - C ANGL. DEV. = -16.3 DEGREES REMARK 500 ASP A 257 CB - CG - OD1 ANGL. DEV. = 7.0 DEGREES REMARK 500 ARG A 280 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG A 301 CD - NE - CZ ANGL. DEV. = 17.1 DEGREES REMARK 500 ARG A 301 NE - CZ - NH1 ANGL. DEV. = 5.4 DEGREES REMARK 500 ARG A 301 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 GLU A 307 CA - CB - CG ANGL. DEV. = 18.4 DEGREES REMARK 500 GLU A 325 CA - CB - CG ANGL. DEV. = 15.0 DEGREES REMARK 500 ASP A 329 CB - CG - OD1 ANGL. DEV. = 6.3 DEGREES REMARK 500 ASP A 329 CB - CG - OD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 TYR A 337 CB - CG - CD1 ANGL. DEV. = -4.2 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 LEU A 42 -71.47 -62.74 REMARK 500 THR A 71 -43.70 -156.17 REMARK 500 LEU A 104 68.68 -102.78 REMARK 500 ASP A 120 69.51 -171.51 REMARK 500 PRO A 128 137.10 -38.15 REMARK 500 TYR A 129 -53.74 -128.19 REMARK 500 ASP A 141 1.05 -50.84 REMARK 500 ASN A 213 89.65 -165.88 REMARK 500 GLN A 238 -34.79 -32.37 REMARK 500 PRO A 242 50.15 -61.11 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 SPD A 350 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1POY RELATED DB: PDB DBREF 1POT A 24 348 UNP P23861 POTD_ECOLI 24 348 SEQRES 1 A 325 ASP ASP ASN ASN THR LEU TYR PHE TYR ASN TRP THR GLU SEQRES 2 A 325 TYR VAL PRO PRO GLY LEU LEU GLU GLN PHE THR LYS GLU SEQRES 3 A 325 THR GLY ILE LYS VAL ILE TYR SER THR TYR GLU SER ASN SEQRES 4 A 325 GLU THR MET TYR ALA LYS LEU LYS THR TYR LYS ASP GLY SEQRES 5 A 325 ALA TYR ASP LEU VAL VAL PRO SER THR TYR TYR VAL ASP SEQRES 6 A 325 LYS MET ARG LYS GLU GLY MET ILE GLN LYS ILE ASP LYS SEQRES 7 A 325 SER LYS LEU THR ASN PHE SER ASN LEU ASP PRO ASP MET SEQRES 8 A 325 LEU ASN LYS PRO PHE ASP PRO ASN ASN ASP TYR SER ILE SEQRES 9 A 325 PRO TYR ILE TRP GLY ALA THR ALA ILE GLY VAL ASN GLY SEQRES 10 A 325 ASP ALA VAL ASP PRO LYS SER VAL THR SER TRP ALA ASP SEQRES 11 A 325 LEU TRP LYS PRO GLU TYR LYS GLY SER LEU LEU LEU THR SEQRES 12 A 325 ASP ASP ALA ARG GLU VAL PHE GLN MET ALA LEU ARG LYS SEQRES 13 A 325 LEU GLY TYR SER GLY ASN THR THR ASP PRO LYS GLU ILE SEQRES 14 A 325 GLU ALA ALA TYR ASN GLU LEU LYS LYS LEU MET PRO ASN SEQRES 15 A 325 VAL ALA ALA PHE ASN SER ASP ASN PRO ALA ASN PRO TYR SEQRES 16 A 325 MET GLU GLY GLU VAL ASN LEU GLY MET ILE TRP ASN GLY SEQRES 17 A 325 SER ALA PHE VAL ALA ARG GLN ALA GLY THR PRO ILE ASP SEQRES 18 A 325 VAL VAL TRP PRO LYS GLU GLY GLY ILE PHE TRP MET ASP SEQRES 19 A 325 SER LEU ALA ILE PRO ALA ASN ALA LYS ASN LYS GLU GLY SEQRES 20 A 325 ALA LEU LYS LEU ILE ASN PHE LEU LEU ARG PRO ASP VAL SEQRES 21 A 325 ALA LYS GLN VAL ALA GLU THR ILE GLY TYR PRO THR PRO SEQRES 22 A 325 ASN LEU ALA ALA ARG LYS LEU LEU SER PRO GLU VAL ALA SEQRES 23 A 325 ASN ASP LYS THR LEU TYR PRO ASP ALA GLU THR ILE LYS SEQRES 24 A 325 ASN GLY GLU TRP GLN ASN ASP VAL GLY ALA ALA SER SER SEQRES 25 A 325 ILE TYR GLU GLU TYR TYR GLN LYS LEU LYS ALA GLY ARG HET SPD A 350 10 HETNAM SPD SPERMIDINE HETSYN SPD N-(2-AMINO-PROPYL)-1,4-DIAMINOBUTANE; PA(34) FORMUL 2 SPD C7 H19 N3 FORMUL 3 HOH *327(H2 O) HELIX 1 A LEU A 42 THR A 50 1 9 HELIX 2 B SER A 61 LYS A 70 1 10 HELIX 3 C TYR A 86 LYS A 92 1 7 HELIX 4 D ASP A 100 LYS A 103 5 4 HELIX 5 E THR A 105 ASN A 109 5 5 HELIX 6 F TRP A 151 TRP A 155 5 5 HELIX 7 G ALA A 169 LYS A 179 1 11 HELIX 8 H LYS A 190 LYS A 200 1 11 HELIX 9 I ALA A 215 MET A 219 1 5 HELIX 10 J TRP A 229 ALA A 239 1 11 HELIX 11 K LYS A 268 LEU A 279 1 12 HELIX 12 L PRO A 281 THR A 290 1 10 HELIX 13 M LEU A 298 LYS A 302 1 5 HELIX 14 N PRO A 306 ASP A 311 1 6 HELIX 15 O PRO A 316 ASN A 323 1 8 HELIX 16 P ALA A 333 GLY A 347 1 15 SHEET 1 S1 5 THR A 28 TRP A 34 0 SHEET 2 S1 5 LYS A 53 TYR A 59 1 SHEET 3 S1 5 LEU A 79 PRO A 82 1 SHEET 4 S1 5 ILE A 127 THR A 134 1 SHEET 5 S1 5 ILE A 253 ALA A 260 -1 SHEET 1 S2 5 ALA A 135 ASN A 139 0 SHEET 2 S2 5 SER A 162 LEU A 165 -1 SHEET 3 S2 5 ALA A 207 PHE A 209 1 SHEET 4 S2 5 ASN A 224 ILE A 228 1 SHEET 5 S2 5 PRO A 242 VAL A 246 1 SITE 1 AC1 13 TRP A 34 THR A 35 GLU A 36 TYR A 37 SITE 2 AC1 13 SER A 83 TYR A 85 ASP A 168 GLU A 171 SITE 3 AC1 13 TRP A 255 ASP A 257 TYR A 293 GLN A 327 SITE 4 AC1 13 HOH A 528 CRYST1 130.300 130.300 38.700 90.00 90.00 90.00 I 41 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 0.007675 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007675 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025840 0.00000