HEADER HYDROLASE 07-JUN-17 5W3H TITLE YEAST MICROTUBULE STABILIZED WITH EPOTHILONE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TUBULIN ALPHA-1 CHAIN; COMPND 3 CHAIN: A; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: TUBULIN BETA CHAIN; COMPND 6 CHAIN: B; COMPND 7 SYNONYM: BETA-TUBULIN SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE (STRAIN ATCC 204508 / SOURCE 3 S288C); SOURCE 4 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 5 ORGANISM_TAXID: 559292; SOURCE 6 STRAIN: ATCC 204508 / S288C; SOURCE 7 MOL_ID: 2; SOURCE 8 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE (STRAIN ATCC 204508 / SOURCE 9 S288C); SOURCE 10 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 11 ORGANISM_TAXID: 559292; SOURCE 12 STRAIN: ATCC 204508 / S288C KEYWDS CYTOSKELETON, TUBULIN, HYDROLASE EXPDTA ELECTRON MICROSCOPY AUTHOR S.C.HOWES,E.A.GEYER,B.LAFRANCE,R.ZHANG,E.H.KELLOGG,S.WESTERMANN, AUTHOR 2 L.M.RICE,E.NOGALES REVDAT 5 13-MAR-24 5W3H 1 REMARK REVDAT 4 18-DEC-19 5W3H 1 CRYST1 SCALE REVDAT 3 27-NOV-19 5W3H 1 REMARK REVDAT 2 20-SEP-17 5W3H 1 JRNL REMARK REVDAT 1 19-JUL-17 5W3H 0 JRNL AUTH S.C.HOWES,E.A.GEYER,B.LAFRANCE,R.ZHANG,E.H.KELLOGG, JRNL AUTH 2 S.WESTERMANN,L.M.RICE,E.NOGALES JRNL TITL STRUCTURAL DIFFERENCES BETWEEN YEAST AND MAMMALIAN JRNL TITL 2 MICROTUBULES REVEALED BY CRYO-EM. JRNL REF J. CELL BIOL. V. 216 2669 2017 JRNL REFN ESSN 1540-8140 JRNL PMID 28652389 JRNL DOI 10.1083/JCB.201612195 REMARK 2 REMARK 2 RESOLUTION. 4.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CTFFIND, FREALIGN REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 4.000 REMARK 3 NUMBER OF PARTICLES : 27829 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 5W3H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-JUN-17. REMARK 100 THE DEPOSITION ID IS D_1000228360. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : HELICAL REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : HELICAL ARRAY REMARK 245 PARTICLE TYPE : HELICAL REMARK 245 NAME OF SAMPLE : MICROTUBULE LATTICE STABILIZED REMARK 245 WITH EPOTHILONE REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 6.90 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN REMARK 245 DETECTOR TYPE : GATAN K2 SUMMIT (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : NULL REMARK 245 MAXIMUM DEFOCUS (NM) : NULL REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 2800.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6310 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 31900 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -41.0 KCAL/MOL 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 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 TYR A 441 REMARK 465 ALA A 442 REMARK 465 GLU A 443 REMARK 465 GLU A 444 REMARK 465 GLU A 445 REMARK 465 GLU A 446 REMARK 465 PHE A 447 REMARK 465 ALA B 428 REMARK 465 THR B 429 REMARK 465 VAL B 430 REMARK 465 GLU B 431 REMARK 465 ASP B 432 REMARK 465 ASP B 433 REMARK 465 GLU B 434 REMARK 465 GLU B 435 REMARK 465 VAL B 436 REMARK 465 ASP B 437 REMARK 465 GLU B 438 REMARK 465 ASN B 439 REMARK 465 GLY B 440 REMARK 465 ASP B 441 REMARK 465 PHE B 442 REMARK 465 GLY B 443 REMARK 465 ALA B 444 REMARK 465 PRO B 445 REMARK 465 GLN B 446 REMARK 465 ASN B 447 REMARK 465 GLN B 448 REMARK 465 ASP B 449 REMARK 465 GLU B 450 REMARK 465 PRO B 451 REMARK 465 ILE B 452 REMARK 465 THR B 453 REMARK 465 GLU B 454 REMARK 465 ASN B 455 REMARK 465 PHE B 456 REMARK 465 GLU B 457 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 O3G GTP A 500 MG MG A 501 1.05 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 SER A 274 C PRO A 275 N 0.147 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 ARG A 2 -70.43 -92.72 REMARK 500 ASP A 38 14.85 89.74 REMARK 500 LEU A 40 -24.32 70.51 REMARK 500 LYS A 42 160.52 68.00 REMARK 500 THR A 52 99.80 67.56 REMARK 500 PHE A 53 -113.36 75.14 REMARK 500 ALA A 101 -133.88 61.76 REMARK 500 THR A 110 -73.27 -132.19 REMARK 500 TYR A 162 -67.16 -99.82 REMARK 500 LYS A 340 -10.51 80.41 REMARK 500 THR A 350 -72.19 -110.52 REMARK 500 ALA A 404 -71.66 -47.57 REMARK 500 HIS B 37 -72.24 -89.17 REMARK 500 ILE B 81 -6.13 96.62 REMARK 500 TYR B 106 -54.81 -132.20 REMARK 500 THR B 107 -74.76 -55.15 REMARK 500 LEU B 112 -83.81 -103.03 REMARK 500 VAL B 113 -103.46 47.15 REMARK 500 GLN B 131 -61.45 -101.09 REMARK 500 THR B 175 74.88 58.51 REMARK 500 HIS B 195 -56.93 -121.37 REMARK 500 GLN B 219 77.57 56.14 REMARK 500 PHE B 394 -1.01 65.50 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 GLY A 39 LEU A 40 142.41 REMARK 500 ALA A 101 ASN A 102 148.01 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 GTP A 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GDP B 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EP B 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-8756 RELATED DB: EMDB REMARK 900 YEAST MICROTUBULE STABILIZED WITH EPOTHILONE REMARK 900 RELATED ID: EMD-8757 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-8758 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-8759 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-8755 RELATED DB: EMDB REMARK 900 RELATED ID: 5W3F RELATED DB: PDB REMARK 900 RELATED ID: 5W3J RELATED DB: PDB DBREF 5W3H A 1 447 UNP P09733 TBA1_YEAST 1 447 DBREF 5W3H B 1 457 UNP P02557 TBB_YEAST 1 457 SEQRES 1 A 447 MET ARG GLU VAL ILE SER ILE ASN VAL GLY GLN ALA GLY SEQRES 2 A 447 CYS GLN ILE GLY ASN ALA CYS TRP GLU LEU TYR SER LEU SEQRES 3 A 447 GLU HIS GLY ILE LYS PRO ASP GLY HIS LEU GLU ASP GLY SEQRES 4 A 447 LEU SER LYS PRO LYS GLY GLY GLU GLU GLY PHE SER THR SEQRES 5 A 447 PHE PHE HIS GLU THR GLY TYR GLY LYS PHE VAL PRO ARG SEQRES 6 A 447 ALA ILE TYR VAL ASP LEU GLU PRO ASN VAL ILE ASP GLU SEQRES 7 A 447 VAL ARG ASN GLY PRO TYR LYS ASP LEU PHE HIS PRO GLU SEQRES 8 A 447 GLN LEU ILE SER GLY LYS GLU ASP ALA ALA ASN ASN TYR SEQRES 9 A 447 ALA ARG GLY HIS TYR THR VAL GLY ARG GLU ILE LEU GLY SEQRES 10 A 447 ASP VAL LEU ASP ARG ILE ARG LYS LEU ALA ASP GLN CYS SEQRES 11 A 447 ASP GLY LEU GLN GLY PHE LEU PHE THR HIS SER LEU GLY SEQRES 12 A 447 GLY GLY THR GLY SER GLY LEU GLY SER LEU LEU LEU GLU SEQRES 13 A 447 GLU LEU SER ALA GLU TYR GLY LYS LYS SER LYS LEU GLU SEQRES 14 A 447 PHE ALA VAL TYR PRO ALA PRO GLN VAL SER THR SER VAL SEQRES 15 A 447 VAL GLU PRO TYR ASN THR VAL LEU THR THR HIS THR THR SEQRES 16 A 447 LEU GLU HIS ALA ASP CYS THR PHE MET VAL ASP ASN GLU SEQRES 17 A 447 ALA ILE TYR ASP MET CYS LYS ARG ASN LEU ASP ILE PRO SEQRES 18 A 447 ARG PRO SER PHE ALA ASN LEU ASN ASN LEU ILE ALA GLN SEQRES 19 A 447 VAL VAL SER SER VAL THR ALA SER LEU ARG PHE ASP GLY SEQRES 20 A 447 SER LEU ASN VAL ASP LEU ASN GLU PHE GLN THR ASN LEU SEQRES 21 A 447 VAL PRO TYR PRO ARG ILE HIS PHE PRO LEU VAL SER TYR SEQRES 22 A 447 SER PRO VAL LEU SER LYS SER LYS ALA PHE HIS GLU SER SEQRES 23 A 447 ASN SER VAL SER GLU ILE THR ASN ALA CYS PHE GLU PRO SEQRES 24 A 447 GLY ASN GLN MET VAL LYS CYS ASP PRO ARG ASP GLY LYS SEQRES 25 A 447 TYR MET ALA THR CYS LEU LEU TYR ARG GLY ASP VAL VAL SEQRES 26 A 447 THR ARG ASP VAL GLN ARG ALA VAL GLU GLN VAL LYS ASN SEQRES 27 A 447 LYS LYS THR VAL GLN LEU VAL ASP TRP CYS PRO THR GLY SEQRES 28 A 447 PHE LYS ILE GLY ILE CYS TYR GLU PRO PRO THR ALA THR SEQRES 29 A 447 PRO ASN SER GLN LEU ALA THR VAL ASP ARG ALA VAL CYS SEQRES 30 A 447 MET LEU SER ASN THR THR SER ILE ALA GLU ALA TRP LYS SEQRES 31 A 447 ARG ILE ASP ARG LYS PHE ASP LEU MET TYR ALA LYS ARG SEQRES 32 A 447 ALA PHE VAL HIS TRP TYR VAL GLY GLU GLY MET GLU GLU SEQRES 33 A 447 GLY GLU PHE THR GLU ALA ARG GLU ASP LEU ALA ALA LEU SEQRES 34 A 447 GLU ARG ASP TYR ILE GLU VAL GLY ALA ASP SER TYR ALA SEQRES 35 A 447 GLU GLU GLU GLU PHE SEQRES 1 B 457 MET ARG GLU ILE ILE HIS ILE SER THR GLY GLN CYS GLY SEQRES 2 B 457 ASN GLN ILE GLY ALA ALA PHE TRP GLU THR ILE CYS GLY SEQRES 3 B 457 GLU HIS GLY LEU ASP PHE ASN GLY THR TYR HIS GLY HIS SEQRES 4 B 457 ASP ASP ILE GLN LYS GLU ARG LEU ASN VAL TYR PHE ASN SEQRES 5 B 457 GLU ALA SER SER GLY LYS TRP VAL PRO ARG SER ILE ASN SEQRES 6 B 457 VAL ASP LEU GLU PRO GLY THR ILE ASP ALA VAL ARG ASN SEQRES 7 B 457 SER ALA ILE GLY ASN LEU PHE ARG PRO ASP ASN TYR ILE SEQRES 8 B 457 PHE GLY GLN SER SER ALA GLY ASN VAL TRP ALA LYS GLY SEQRES 9 B 457 HIS TYR THR GLU GLY ALA GLU LEU VAL ASP SER VAL MET SEQRES 10 B 457 ASP VAL ILE ARG ARG GLU ALA GLU GLY CYS ASP SER LEU SEQRES 11 B 457 GLN GLY PHE GLN ILE THR HIS SER LEU GLY GLY GLY THR SEQRES 12 B 457 GLY SER GLY MET GLY THR LEU LEU ILE SER LYS ILE ARG SEQRES 13 B 457 GLU GLU PHE PRO ASP ARG MET MET ALA THR PHE SER VAL SEQRES 14 B 457 LEU PRO SER PRO LYS THR SER ASP THR VAL VAL GLU PRO SEQRES 15 B 457 TYR ASN ALA THR LEU SER VAL HIS GLN LEU VAL GLU HIS SEQRES 16 B 457 SER ASP GLU THR PHE CYS ILE ASP ASN GLU ALA LEU TYR SEQRES 17 B 457 ASP ILE CYS GLN ARG THR LEU LYS LEU ASN GLN PRO SER SEQRES 18 B 457 TYR GLY ASP LEU ASN ASN LEU VAL SER SER VAL MET SER SEQRES 19 B 457 GLY VAL THR THR SER LEU ARG TYR PRO GLY GLN LEU ASN SEQRES 20 B 457 SER ASP LEU ARG LYS LEU ALA VAL ASN LEU VAL PRO PHE SEQRES 21 B 457 PRO ARG LEU HIS PHE PHE MET VAL GLY TYR ALA PRO LEU SEQRES 22 B 457 THR ALA ILE GLY SER GLN SER PHE ARG SER LEU THR VAL SEQRES 23 B 457 PRO GLU LEU THR GLN GLN MET PHE ASP ALA LYS ASN MET SEQRES 24 B 457 MET ALA ALA ALA ASP PRO ARG ASN GLY ARG TYR LEU THR SEQRES 25 B 457 VAL ALA ALA PHE PHE ARG GLY LYS VAL SER VAL LYS GLU SEQRES 26 B 457 VAL GLU ASP GLU MET HIS LYS VAL GLN SER LYS ASN SER SEQRES 27 B 457 ASP TYR PHE VAL GLU TRP ILE PRO ASN ASN VAL GLN THR SEQRES 28 B 457 ALA VAL CYS SER VAL ALA PRO GLN GLY LEU ASP MET ALA SEQRES 29 B 457 ALA THR PHE ILE ALA ASN SER THR SER ILE GLN GLU LEU SEQRES 30 B 457 PHE LYS ARG VAL GLY ASP GLN PHE SER ALA MET PHE LYS SEQRES 31 B 457 ARG LYS ALA PHE LEU HIS TRP TYR THR SER GLU GLY MET SEQRES 32 B 457 ASP GLU LEU GLU PHE SER GLU ALA GLU SER ASN MET ASN SEQRES 33 B 457 ASP LEU VAL SER GLU TYR GLN GLN TYR GLN GLU ALA THR SEQRES 34 B 457 VAL GLU ASP ASP GLU GLU VAL ASP GLU ASN GLY ASP PHE SEQRES 35 B 457 GLY ALA PRO GLN ASN GLN ASP GLU PRO ILE THR GLU ASN SEQRES 36 B 457 PHE GLU HET GTP A 500 32 HET MG A 501 1 HET GDP B 501 28 HET EP B 502 34 HETNAM GTP GUANOSINE-5'-TRIPHOSPHATE HETNAM MG MAGNESIUM ION HETNAM GDP GUANOSINE-5'-DIPHOSPHATE HETNAM EP EPOTHILONE A FORMUL 3 GTP C10 H16 N5 O14 P3 FORMUL 4 MG MG 2+ FORMUL 5 GDP C10 H15 N5 O11 P2 FORMUL 6 EP C26 H39 N O6 S HELIX 1 AA1 GLY A 10 GLY A 29 1 20 HELIX 2 AA2 GLY A 46 SER A 51 1 6 HELIX 3 AA3 GLY A 58 GLY A 60 5 3 HELIX 4 AA4 GLU A 72 ASN A 81 1 10 HELIX 5 AA5 GLY A 82 LEU A 87 5 6 HELIX 6 AA6 HIS A 89 GLU A 91 5 3 HELIX 7 AA7 ASN A 103 THR A 110 1 8 HELIX 8 AA8 THR A 110 CYS A 130 1 21 HELIX 9 AA9 GLY A 145 TYR A 162 1 18 HELIX 10 AB1 VAL A 183 ALA A 199 1 17 HELIX 11 AB2 ASN A 207 ASN A 217 1 11 HELIX 12 AB3 SER A 224 PHE A 245 1 22 HELIX 13 AB4 ASP A 252 VAL A 261 1 10 HELIX 14 AB5 LYS A 281 GLU A 285 5 5 HELIX 15 AB6 SER A 288 GLU A 298 1 11 HELIX 16 AB7 PRO A 299 GLN A 302 5 4 HELIX 17 AB8 ASP A 307 GLY A 311 5 5 HELIX 18 AB9 VAL A 325 LYS A 340 1 16 HELIX 19 AC1 ILE A 385 LYS A 402 1 18 HELIX 20 AC2 PHE A 405 GLY A 411 1 7 HELIX 21 AC3 GLU A 415 SER A 440 1 26 HELIX 22 AC4 GLY B 10 GLY B 29 1 20 HELIX 23 AC5 ASP B 40 ARG B 46 1 7 HELIX 24 AC6 LEU B 47 VAL B 49 5 3 HELIX 25 AC7 SER B 55 GLY B 57 5 3 HELIX 26 AC8 GLU B 69 SER B 79 1 11 HELIX 27 AC9 ARG B 86 ASP B 88 5 3 HELIX 28 AD1 VAL B 100 TYR B 106 1 7 HELIX 29 AD2 GLU B 108 LEU B 112 5 5 HELIX 30 AD3 VAL B 113 GLY B 126 1 14 HELIX 31 AD4 GLY B 142 PHE B 159 1 18 HELIX 32 AD5 VAL B 180 SER B 196 1 17 HELIX 33 AD6 ASN B 204 THR B 214 1 11 HELIX 34 AD7 SER B 221 TYR B 242 1 22 HELIX 35 AD8 ASP B 249 VAL B 258 1 10 HELIX 36 AD9 GLY B 277 ARG B 282 5 6 HELIX 37 AE1 THR B 285 ASP B 295 1 11 HELIX 38 AE2 ALA B 296 MET B 299 5 4 HELIX 39 AE3 SER B 322 ASN B 337 1 16 HELIX 40 AE4 SER B 338 PHE B 341 5 4 HELIX 41 AE5 ILE B 374 LYS B 392 1 19 HELIX 42 AE6 PHE B 394 SER B 400 1 7 HELIX 43 AE7 ASP B 404 GLU B 427 1 24 SHEET 1 AA1 6 LEU A 93 SER A 95 0 SHEET 2 AA1 6 ALA A 66 ASP A 70 1 N TYR A 68 O ILE A 94 SHEET 3 AA1 6 GLU A 3 VAL A 9 1 N ASN A 8 O VAL A 69 SHEET 4 AA1 6 LEU A 133 SER A 141 1 O GLN A 134 N GLU A 3 SHEET 5 AA1 6 SER A 166 TYR A 173 1 O PHE A 170 N PHE A 138 SHEET 6 AA1 6 CYS A 201 ASP A 206 1 O PHE A 203 N GLU A 169 SHEET 1 AA2 2 HIS A 55 GLU A 56 0 SHEET 2 AA2 2 PHE A 62 VAL A 63 -1 O VAL A 63 N HIS A 55 SHEET 1 AA3 5 GLY A 247 LEU A 249 0 SHEET 2 AA3 5 PHE A 352 CYS A 357 -1 O ILE A 356 N LEU A 249 SHEET 3 AA3 5 TYR A 313 GLY A 322 1 N TYR A 320 O GLY A 355 SHEET 4 AA3 5 ARG A 374 THR A 382 -1 O ASN A 381 N MET A 314 SHEET 5 AA3 5 LEU A 270 TYR A 273 -1 N LEU A 270 O SER A 380 SHEET 1 AA410 TYR B 90 PHE B 92 0 SHEET 2 AA410 SER B 63 ASP B 67 1 N ASN B 65 O ILE B 91 SHEET 3 AA410 GLU B 3 THR B 9 1 N SER B 8 O ILE B 64 SHEET 4 AA410 LEU B 130 SER B 138 1 O GLN B 134 N ILE B 7 SHEET 5 AA410 MET B 163 LEU B 170 1 O MET B 163 N PHE B 133 SHEET 6 AA410 GLU B 198 ASP B 203 1 O ILE B 202 N LEU B 170 SHEET 7 AA410 PHE B 265 ALA B 271 1 O PHE B 266 N CYS B 201 SHEET 8 AA410 MET B 363 SER B 371 -1 O ALA B 369 N MET B 267 SHEET 9 AA410 TYR B 310 GLY B 319 -1 N LEU B 311 O ASN B 370 SHEET 10 AA410 VAL B 349 CYS B 354 1 O ALA B 352 N PHE B 317 SHEET 1 AA5 2 PHE B 51 GLU B 53 0 SHEET 2 AA5 2 TRP B 59 PRO B 61 -1 O VAL B 60 N ASN B 52 CISPEP 1 ALA B 271 PRO B 272 0 1.29 SITE 1 AC1 16 GLY A 10 GLN A 11 ALA A 12 GLN A 15 SITE 2 AC1 16 GLU A 72 ALA A 101 SER A 141 GLY A 144 SITE 3 AC1 16 THR A 146 THR A 180 GLU A 184 ASN A 207 SITE 4 AC1 16 PHE A 225 ASN A 229 MG A 501 LYS B 252 SITE 1 AC2 3 GLN A 11 GLU A 72 GTP A 500 SITE 1 AC3 14 GLN B 11 CYS B 12 GLN B 15 ASN B 99 SITE 2 AC3 14 SER B 138 GLY B 141 GLY B 142 THR B 143 SITE 3 AC3 14 GLY B 144 ASP B 177 GLU B 181 ASN B 204 SITE 4 AC3 14 TYR B 222 ASN B 226 SITE 1 AC4 10 CYS B 211 LEU B 215 LEU B 217 ASP B 224 SITE 2 AC4 10 LEU B 228 PRO B 272 LEU B 273 THR B 274 SITE 3 AC4 10 ILE B 276 GLN B 279 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000