HEADER PROTEIN TRANSPORT 06-JUL-04 1TXU TITLE CRYSTAL STRUCTURE OF THE VPS9 DOMAIN OF RABEX-5 COMPND MOL_ID: 1; COMPND 2 MOLECULE: RAB5 GDP/GTP EXCHANGE FACTOR; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: VPS9; COMPND 5 SYNONYM: RABEX-5; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_TAXID: 9606; SOURCE 4 GENE: RABGEF1; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET15B KEYWDS VPS9 DOMAIN, RAB5 GUANINE-NUCLEOTIDE EXCHANGE FACTOR, GEF, PROTEIN KEYWDS 2 TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR A.DELPRATO,E.MERITHEW,D.G.LAMBRIGHT REVDAT 3 31-JAN-18 1TXU 1 REMARK REVDAT 2 24-FEB-09 1TXU 1 VERSN REVDAT 1 21-SEP-04 1TXU 0 JRNL AUTH A.DELPRATO,E.MERITHEW,D.G.LAMBRIGHT JRNL TITL STRUCTURE, EXCHANGE DETERMINANTS, AND FAMILY-WIDE RAB JRNL TITL 2 SPECIFICITY OF THE TANDEM HELICAL BUNDLE AND VPS9 DOMAINS OF JRNL TITL 3 RABEX-5 JRNL REF CELL(CAMBRIDGE,MASS.) V. 118 607 2004 JRNL REFN ISSN 0092-8674 JRNL PMID 15339665 JRNL DOI 10.1016/J.CELL.2004.08.009 REMARK 2 REMARK 2 RESOLUTION. 2.35 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 93.7 REMARK 3 NUMBER OF REFLECTIONS : 11599 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.227 REMARK 3 FREE R VALUE : 0.269 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 586 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 : 2080 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 82 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 48.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.72600 REMARK 3 B22 (A**2) : -5.14800 REMARK 3 B33 (A**2) : 1.42100 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 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 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) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL 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) : 1.518 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.594 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.345 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.573 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : 0.32 REMARK 3 BSOL : 39.24 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 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CNS_TOPPAR:WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : CNS_TOPPAR:ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1TXU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-JUL-04. REMARK 100 THE DEPOSITION ID IS D_1000023014. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-OCT-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X12B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : REMARK 200 0.97956,0.97944,0.96805,0.97954,0.97948,0.99530 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : MIRRORS 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 : 11599 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.350 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 (%) : 93.7 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05900 REMARK 200 FOR THE DATA SET : 23.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.42 REMARK 200 COMPLETENESS FOR SHELL (%) : 74.5 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.37200 REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.28 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, MGCL, TRIS, PH 8.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 4K, TEMPERATURE 277.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 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 -X+1/2,Y+1/2,-Z REMARK 290 4555 X+1/2,-Y+1/2,-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 -1.000000 0.000000 0.000000 34.02350 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 44.16450 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 34.02350 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 44.16450 REMARK 290 SMTRY3 4 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 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 MET A 122 REMARK 465 GLY A 123 REMARK 465 HIS A 124 REMARK 465 HIS A 125 REMARK 465 HIS A 126 REMARK 465 HIS A 127 REMARK 465 HIS A 128 REMARK 465 HIS A 129 REMARK 465 GLY A 130 REMARK 465 SER A 131 REMARK 465 SER A 132 REMARK 465 ILE A 133 REMARK 465 GLN A 388 REMARK 465 THR A 389 REMARK 465 SER A 390 REMARK 465 PRO A 391 REMARK 465 ARG A 392 REMARK 465 LYS A 393 REMARK 465 GLN A 394 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 LYS A 140 CG CD CE NZ REMARK 480 HIS A 150 CG ND1 CD2 CE1 NE2 REMARK 480 LYS A 151 CG CD CE NZ REMARK 480 LYS A 158 CG CD CE NZ REMARK 480 LYS A 161 CG CD CE NZ REMARK 480 ARG A 171 CG CD NE CZ NH1 NH2 REMARK 480 GLU A 180 CG CD OE1 OE2 REMARK 480 GLU A 191 CG CD OE1 OE2 REMARK 480 ARG A 192 CG CD NE CZ NH1 NH2 REMARK 480 ARG A 196 CG CD NE CZ NH1 NH2 REMARK 480 GLU A 202 CG CD OE1 OE2 REMARK 480 GLU A 205 CG CD OE1 OE2 REMARK 480 LYS A 206 CG CD CE NZ REMARK 480 LYS A 213 CG CD CE NZ REMARK 480 GLU A 227 CG CD OE1 OE2 REMARK 480 GLU A 263 CG CD OE1 OE2 REMARK 480 ASN A 307 CG OD1 ND2 REMARK 480 ASN A 343 CG OD1 ND2 REMARK 480 ARG A 346 CG CD NE CZ NH1 NH2 REMARK 480 GLU A 351 CG CD OE1 OE2 REMARK 480 ASP A 352 CG OD1 OD2 REMARK 480 GLN A 372 CG CD OE1 NE2 REMARK 480 GLN A 378 CG CD OE1 NE2 REMARK 480 GLU A 379 CG CD OE1 OE2 REMARK 480 ARG A 383 CG CD NE CZ NH1 NH2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OE2 GLU A 202 CB GLN A 372 2554 1.89 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 HIS A 150 -73.24 9.84 REMARK 500 LYS A 151 -81.34 -47.15 REMARK 500 THR A 195 -82.44 -77.49 REMARK 500 LYS A 198 20.26 49.19 REMARK 500 PRO A 201 -7.72 -51.83 REMARK 500 ARG A 330 55.98 34.10 REMARK 500 GLU A 351 -90.49 -58.63 REMARK 500 GLU A 379 -73.50 -59.22 REMARK 500 SER A 386 -74.15 -110.03 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 1 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 274 OD2 REMARK 620 2 HIS A 297 NE2 73.9 REMARK 620 N 1 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 1 DBREF 1TXU A 133 394 UNP Q9UJ41 RABX5_HUMAN 133 394 SEQADV 1TXU MET A 122 UNP Q9UJ41 CLONING ARTIFACT SEQADV 1TXU GLY A 123 UNP Q9UJ41 CLONING ARTIFACT SEQADV 1TXU HIS A 125 UNP Q9UJ41 CLONING ARTIFACT SEQADV 1TXU HIS A 126 UNP Q9UJ41 CLONING ARTIFACT SEQADV 1TXU HIS A 127 UNP Q9UJ41 CLONING ARTIFACT SEQADV 1TXU HIS A 128 UNP Q9UJ41 CLONING ARTIFACT SEQADV 1TXU HIS A 129 UNP Q9UJ41 CLONING ARTIFACT SEQADV 1TXU HIS A 129 UNP Q9UJ41 CLONING ARTIFACT SEQADV 1TXU GLY A 130 UNP Q9UJ41 CLONING ARTIFACT SEQADV 1TXU SER A 132 UNP Q9UJ41 CLONING ARTIFACT SEQADV 1TXU SER A 132 UNP Q9UJ41 CLONING ARTIFACT SEQADV 1TXU MSE A 167 UNP Q9UJ41 MET 167 MODIFIED RESIDUE SEQADV 1TXU MSE A 193 UNP Q9UJ41 MET 193 MODIFIED RESIDUE SEQADV 1TXU MSE A 208 UNP Q9UJ41 MET 208 MODIFIED RESIDUE SEQADV 1TXU MSE A 216 UNP Q9UJ41 MET 216 MODIFIED RESIDUE SEQADV 1TXU MSE A 252 UNP Q9UJ41 MET 252 MODIFIED RESIDUE SEQADV 1TXU MSE A 267 UNP Q9UJ41 MET 267 MODIFIED RESIDUE SEQADV 1TXU MSE A 278 UNP Q9UJ41 MET 278 MODIFIED RESIDUE SEQADV 1TXU MSE A 348 UNP Q9UJ41 MET 348 MODIFIED RESIDUE SEQADV 1TXU MSE A 385 UNP Q9UJ41 MET 385 MODIFIED RESIDUE SEQRES 1 A 273 MET GLY HIS HIS HIS HIS HIS HIS GLY SER SER ILE GLU SEQRES 2 A 273 THR ASP ARG VAL SER LYS GLU PHE ILE GLU PHE LEU LYS SEQRES 3 A 273 THR PHE HIS LYS THR GLY GLN GLU ILE TYR LYS GLN THR SEQRES 4 A 273 LYS LEU PHE LEU GLU GLY MSE HIS TYR LYS ARG ASP LEU SEQRES 5 A 273 SER ILE GLU GLU GLN SER GLU CYS ALA GLN ASP PHE TYR SEQRES 6 A 273 HIS ASN VAL ALA GLU ARG MSE GLN THR ARG GLY LYS VAL SEQRES 7 A 273 PRO PRO GLU ARG VAL GLU LYS ILE MSE ASP GLN ILE GLU SEQRES 8 A 273 LYS TYR ILE MSE THR ARG LEU TYR LYS TYR VAL PHE CYS SEQRES 9 A 273 PRO GLU THR THR ASP ASP GLU LYS LYS ASP LEU ALA ILE SEQRES 10 A 273 GLN LYS ARG ILE ARG ALA LEU ARG TRP VAL THR PRO GLN SEQRES 11 A 273 MSE LEU CYS VAL PRO VAL ASN GLU ASP ILE PRO GLU VAL SEQRES 12 A 273 SER ASP MSE VAL VAL LYS ALA ILE THR ASP ILE ILE GLU SEQRES 13 A 273 MSE ASP SER LYS ARG VAL PRO ARG ASP LYS LEU ALA CYS SEQRES 14 A 273 ILE THR LYS CYS SER LYS HIS ILE PHE ASN ALA ILE LYS SEQRES 15 A 273 ILE THR LYS ASN GLU PRO ALA SER ALA ASP ASP PHE LEU SEQRES 16 A 273 PRO THR LEU ILE TYR ILE VAL LEU LYS GLY ASN PRO PRO SEQRES 17 A 273 ARG LEU GLN SER ASN ILE GLN TYR ILE THR ARG PHE CYS SEQRES 18 A 273 ASN PRO SER ARG LEU MSE THR GLY GLU ASP GLY TYR TYR SEQRES 19 A 273 PHE THR ASN LEU CYS CYS ALA VAL ALA PHE ILE GLU LYS SEQRES 20 A 273 LEU ASP ALA GLN SER LEU ASN LEU SER GLN GLU ASP PHE SEQRES 21 A 273 ASP ARG TYR MSE SER GLY GLN THR SER PRO ARG LYS GLN MODRES 1TXU MSE A 167 MET SELENOMETHIONINE MODRES 1TXU MSE A 193 MET SELENOMETHIONINE MODRES 1TXU MSE A 208 MET SELENOMETHIONINE MODRES 1TXU MSE A 216 MET SELENOMETHIONINE MODRES 1TXU MSE A 252 MET SELENOMETHIONINE MODRES 1TXU MSE A 267 MET SELENOMETHIONINE MODRES 1TXU MSE A 278 MET SELENOMETHIONINE MODRES 1TXU MSE A 348 MET SELENOMETHIONINE MODRES 1TXU MSE A 385 MET SELENOMETHIONINE HET MSE A 167 8 HET MSE A 193 8 HET MSE A 208 8 HET MSE A 216 8 HET MSE A 252 8 HET MSE A 267 8 HET MSE A 278 8 HET MSE A 348 8 HET MSE A 385 8 HET MG A 1 1 HETNAM MSE SELENOMETHIONINE HETNAM MG MAGNESIUM ION FORMUL 1 MSE 9(C5 H11 N O2 SE) FORMUL 2 MG MG 2+ FORMUL 3 HOH *82(H2 O) HELIX 1 1 GLU A 134 THR A 148 1 15 HELIX 2 2 PHE A 149 LYS A 170 1 22 HELIX 3 3 SER A 174 GLY A 197 1 24 HELIX 4 4 ARG A 203 PHE A 224 1 22 HELIX 5 5 ASP A 230 ALA A 244 1 15 HELIX 6 6 ILE A 261 MSE A 278 1 18 HELIX 7 7 ASP A 279 LYS A 281 5 3 HELIX 8 8 VAL A 283 ASN A 307 1 25 HELIX 9 9 SER A 311 ASP A 313 5 3 HELIX 10 10 ASP A 314 ASN A 327 1 14 HELIX 11 11 ARG A 330 CYS A 342 1 13 HELIX 12 12 ASN A 343 LEU A 347 5 5 HELIX 13 13 GLY A 350 LYS A 368 1 19 HELIX 14 14 ALA A 371 ASN A 375 5 5 HELIX 15 15 SER A 377 GLY A 387 1 11 LINK MG MG A 1 OD2 ASP A 274 1555 1555 2.55 LINK MG MG A 1 NE2 HIS A 297 1555 1555 2.52 LINK C GLY A 166 N MSE A 167 1555 1555 1.33 LINK C MSE A 167 N HIS A 168 1555 1555 1.33 LINK C ARG A 192 N MSE A 193 1555 1555 1.33 LINK C MSE A 193 N GLN A 194 1555 1555 1.33 LINK C ILE A 207 N MSE A 208 1555 1555 1.33 LINK C MSE A 208 N ASP A 209 1555 1555 1.33 LINK C ILE A 215 N MSE A 216 1555 1555 1.33 LINK C MSE A 216 N THR A 217 1555 1555 1.33 LINK C GLN A 251 N MSE A 252 1555 1555 1.33 LINK C MSE A 252 N LEU A 253 1555 1555 1.33 LINK C ASP A 266 N MSE A 267 1555 1555 1.33 LINK C MSE A 267 N VAL A 268 1555 1555 1.33 LINK C GLU A 277 N MSE A 278 1555 1555 1.33 LINK C MSE A 278 N ASP A 279 1555 1555 1.33 LINK C LEU A 347 N MSE A 348 1555 1555 1.32 LINK C MSE A 348 N THR A 349 1555 1555 1.33 LINK C TYR A 384 N MSE A 385 1555 1555 1.33 LINK C MSE A 385 N SER A 386 1555 1555 1.33 SITE 1 AC1 2 ASP A 274 HIS A 297 CRYST1 68.047 88.329 47.299 90.00 90.00 90.00 P 21 21 2 4 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 0.014696 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011321 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021142 0.00000