PDB Short entry for 1TAG HEADER GTP-BINDING PROTEIN 23-NOV-94 1TAG TITLE STRUCTURAL DETERMINANTS FOR ACTIVATION OF THE ALPHA-SUBUNIT OF A TITLE 2 HETEROTRIMERIC G PROTEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSDUCIN-ALPHA; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 ORGAN: EYE RETINA; SOURCE 6 TISSUE: RETINA CELL: KEYWDS GTP-BINDING PROTEIN, G-PROTEIN, GTPASE, TRANSDUCIN EXPDTA X-RAY DIFFRACTION AUTHOR D.G.LAMBRIGHT,J.P.NOEL,H.E.HAMM,P.B.SIGLER REVDAT 4 14-FEB-24 1TAG 1 REMARK LINK REVDAT 3 29-NOV-17 1TAG 1 HELIX REVDAT 2 24-FEB-09 1TAG 1 VERSN REVDAT 1 07-FEB-95 1TAG 0 JRNL AUTH D.G.LAMBRIGHT,J.P.NOEL,H.E.HAMM,P.B.SIGLER JRNL TITL STRUCTURAL DETERMINANTS FOR ACTIVATION OF THE ALPHA-SUBUNIT JRNL TITL 2 OF A HETEROTRIMERIC G PROTEIN. JRNL REF NATURE V. 369 621 1994 JRNL REFN ISSN 0028-0836 JRNL PMID 8208289 JRNL DOI 10.1038/369621A0 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.P.NOEL,H.E.HAMM,P.B.SIGLER REMARK 1 TITL THE 2.2 ANGSTROMS CRYSTAL STRUCTURE OF TRANSDUCIN-ALPHA REMARK 1 TITL 2 COMPLEXED WITH GTP-GAMMA-S REMARK 1 REF NATURE V. 366 654 1993 REMARK 1 REFN ISSN 0028-0836 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.3 REMARK 3 NUMBER OF REFLECTIONS : 41071 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 SET) : 0.187 REMARK 3 FREE R VALUE : 0.211 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2521 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 29 REMARK 3 SOLVENT ATOMS : 340 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.70 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) : 0.10 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.460 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1TAG 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_1000176579. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 41071 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.54 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 35.95000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 43.90000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 71.55000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 35.95000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 43.90000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 71.55000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 35.95000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 43.90000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 71.55000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 35.95000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 43.90000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 71.55000 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 LYS A 341 REMARK 465 GLU A 342 REMARK 465 ASN A 343 REMARK 465 LEU A 344 REMARK 465 LYS A 345 REMARK 465 ASP A 346 REMARK 465 CYS A 347 REMARK 465 GLY A 348 REMARK 465 LEU A 349 REMARK 465 PHE A 350 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 616 O HOH A 691 2.01 REMARK 500 O HOH A 586 O HOH A 679 2.02 REMARK 500 O HOH A 565 O HOH A 691 2.03 REMARK 500 O HOH A 685 O HOH A 711 2.08 REMARK 500 O HOH A 609 O HOH A 676 2.13 REMARK 500 O HOH A 587 O HOH A 643 2.14 REMARK 500 O HOH A 432 O HOH A 709 2.17 REMARK 500 O HOH A 511 O HOH A 733 2.17 REMARK 500 O HOH A 481 O HOH A 668 2.18 REMARK 500 REMARK 500 REMARK: NULL 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 GLU A 64 CB - CA - C ANGL. DEV. = -12.4 DEGREES REMARK 500 ARG A 238 NE - CZ - NH1 ANGL. DEV. = 4.1 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 GLN A 54 -149.45 -117.06 REMARK 500 ASP A 234 0.12 -67.45 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 352 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 43 OG REMARK 620 2 GDP A 351 O2B 98.5 REMARK 620 3 HOH A 353 O 90.0 92.1 REMARK 620 4 HOH A 354 O 94.0 91.8 173.9 REMARK 620 5 HOH A 355 O 82.3 178.4 86.5 89.5 REMARK 620 6 HOH A 356 O 170.2 91.2 88.5 86.8 88.0 REMARK 620 N 1 2 3 4 5 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 352 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GDP A 351 DBREF 1TAG A 27 350 UNP P04695 GNAT1_BOVIN 26 349 SEQRES 1 A 324 ALA ARG THR VAL LYS LEU LEU LEU LEU GLY ALA GLY GLU SEQRES 2 A 324 SER GLY LYS SER THR ILE VAL LYS GLN MET LYS ILE ILE SEQRES 3 A 324 HIS GLN ASP GLY TYR SER LEU GLU GLU CYS LEU GLU PHE SEQRES 4 A 324 ILE ALA ILE ILE TYR GLY ASN THR LEU GLN SER ILE LEU SEQRES 5 A 324 ALA ILE VAL ARG ALA MET THR THR LEU ASN ILE GLN TYR SEQRES 6 A 324 GLY ASP SER ALA ARG GLN ASP ASP ALA ARG LYS LEU MET SEQRES 7 A 324 HIS MET ALA ASP THR ILE GLU GLU GLY THR MET PRO LYS SEQRES 8 A 324 GLU MET SER ASP ILE ILE GLN ARG LEU TRP LYS ASP SER SEQRES 9 A 324 GLY ILE GLN ALA CYS PHE ASP ARG ALA SER GLU TYR GLN SEQRES 10 A 324 LEU ASN ASP SER ALA GLY TYR TYR LEU SER ASP LEU GLU SEQRES 11 A 324 ARG LEU VAL THR PRO GLY TYR VAL PRO THR GLU GLN ASP SEQRES 12 A 324 VAL LEU ARG SER ARG VAL LYS THR THR GLY ILE ILE GLU SEQRES 13 A 324 THR GLN PHE SER PHE LYS ASP LEU ASN PHE ARG MET PHE SEQRES 14 A 324 ASP VAL GLY GLY GLN ARG SER GLU ARG LYS LYS TRP ILE SEQRES 15 A 324 HIS CYS PHE GLU GLY VAL THR CYS ILE ILE PHE ILE ALA SEQRES 16 A 324 ALA LEU SER ALA TYR ASP MET VAL LEU VAL GLU ASP ASP SEQRES 17 A 324 GLU VAL ASN ARG MET HIS GLU SER LEU HIS LEU PHE ASN SEQRES 18 A 324 SER ILE CYS ASN HIS ARG TYR PHE ALA THR THR SER ILE SEQRES 19 A 324 VAL LEU PHE LEU ASN LYS LYS ASP VAL PHE SER GLU LYS SEQRES 20 A 324 ILE LYS LYS ALA HIS LEU SER ILE CYS PHE PRO ASP TYR SEQRES 21 A 324 ASN GLY PRO ASN THR TYR GLU ASP ALA GLY ASN TYR ILE SEQRES 22 A 324 LYS VAL GLN PHE LEU GLU LEU ASN MET ARG ARG ASP VAL SEQRES 23 A 324 LYS GLU ILE TYR SER HIS MET THR CYS ALA THR ASP THR SEQRES 24 A 324 GLN ASN VAL LYS PHE VAL PHE ASP ALA VAL THR ASP ILE SEQRES 25 A 324 ILE ILE LYS GLU ASN LEU LYS ASP CYS GLY LEU PHE HET MG A 352 1 HET GDP A 351 28 HETNAM MG MAGNESIUM ION HETNAM GDP GUANOSINE-5'-DIPHOSPHATE FORMUL 2 MG MG 2+ FORMUL 3 GDP C10 H15 N5 O11 P2 FORMUL 4 HOH *340(H2 O) HELIX 1 1 LYS A 42 HIS A 53 1 12 HELIX 2 A LEU A 59 THR A 86 1 28 HELIX 3 B ARG A 96 MET A 106 1 11 HELIX 4 C LYS A 117 LYS A 128 1 12 HELIX 5 D SER A 130 ASP A 137 1 8 HELIX 6 E ALA A 148 LEU A 158 1IRREGULAR 11 HELIX 7 F GLU A 167 ARG A 172 1 6 HELIX 8 2 ARG A 201 CYS A 210 5 10 HELIX 9 3 ARG A 238 CYS A 250 1 13 HELIX 10 G LYS A 267 ILE A 274 1 8 HELIX 11 4 TYR A 292 LEU A 304 1 13 HELIX 12 5 THR A 325 ILE A 340 1 16 SHEET 1 S1 6 ILE A 180 PHE A 187 0 SHEET 2 S1 6 LEU A 190 VAL A 197 -1 O ASP A 196 N ILE A 181 SHEET 3 S1 6 VAL A 30 LEU A 35 1 N VAL A 30 O ASN A 191 SHEET 4 S1 6 CYS A 216 ALA A 222 1 N CYS A 216 O LYS A 31 SHEET 5 S1 6 SER A 259 ASN A 265 1 N VAL A 261 O ILE A 217 SHEET 6 S1 6 TYR A 316 THR A 320 1 N HIS A 318 O LEU A 262 LINK OG SER A 43 MG MG A 352 1555 1555 2.19 LINK O2B GDP A 351 MG MG A 352 1555 1555 2.18 LINK MG MG A 352 O HOH A 353 1555 1555 2.20 LINK MG MG A 352 O HOH A 354 1555 1555 2.21 LINK MG MG A 352 O HOH A 355 1555 1555 2.14 LINK MG MG A 352 O HOH A 356 1555 1555 2.14 SITE 1 AC1 6 SER A 43 GDP A 351 HOH A 353 HOH A 354 SITE 2 AC1 6 HOH A 355 HOH A 356 SITE 1 AC2 23 GLU A 39 SER A 40 GLY A 41 LYS A 42 SITE 2 AC2 23 SER A 43 THR A 44 SER A 147 LEU A 171 SITE 3 AC2 23 ARG A 172 ARG A 174 ASN A 265 LYS A 266 SITE 4 AC2 23 ASP A 268 VAL A 269 CYS A 321 ALA A 322 SITE 5 AC2 23 THR A 323 MG A 352 HOH A 354 HOH A 356 SITE 6 AC2 23 HOH A 408 HOH A 409 HOH A 484 CRYST1 71.900 87.800 143.100 90.00 90.00 90.00 I 2 2 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 0.013908 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011390 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006988 0.00000