HEADER TRANSPORT PROTEIN 02-AUG-04 1U77 TITLE CRYSTAL STRUCTURE OF AMMONIA CHANNEL AMTB FROM E. COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROBABLE AMMONIUM TRANSPORTER; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: AMTB; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET29B KEYWDS RIGHT HANDED HELICAL BUNDLE, TRANSMEMBRANE HELICES, MEMBRANE CHANNEL, KEYWDS 2 AMMONIA CHANNEL, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.KHADEMI,J.O'CONNELL III,J.REMIS,Y.ROBLES-COLMENARES,L.J.W.MIERCKE, AUTHOR 2 R.M.STROUD REVDAT 5 09-OCT-24 1U77 1 REMARK REVDAT 4 20-OCT-21 1U77 1 SEQADV LINK REVDAT 3 13-JUL-11 1U77 1 VERSN REVDAT 2 24-FEB-09 1U77 1 VERSN REVDAT 1 21-SEP-04 1U77 0 JRNL AUTH S.KHADEMI,J.O'CONNELL III,J.REMIS,Y.ROBLES-COLMENARES, JRNL AUTH 2 L.J.W.MIERCKE,R.M.STROUD JRNL TITL MECHANISM OF AMMONIA TRANSPORT BY AMT/MEP/RH: STRUCTURE OF JRNL TITL 2 AMTB AT 1.35 A JRNL REF SCIENCE V. 305 1587 2004 JRNL REFN ISSN 0036-8075 JRNL PMID 15361618 JRNL DOI 10.1126/SCIENCE.1101952 REMARK 2 REMARK 2 RESOLUTION. 2.00 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 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) (%) : 83.9 REMARK 3 NUMBER OF REFLECTIONS : 27967 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.182 REMARK 3 FREE R VALUE : 0.205 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2775 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.13 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 41.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2900 REMARK 3 BIN FREE R VALUE : 0.3130 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 147 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.018 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2799 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 243 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 43.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -5.50000 REMARK 3 B22 (A**2) : -5.50000 REMARK 3 B33 (A**2) : 10.90000 REMARK 3 B12 (A**2) : -3.80000 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) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.22 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.25 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.800 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 1U77 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-AUG-04. REMARK 100 THE DEPOSITION ID IS D_1000023331. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-NOV-03; NULL REMARK 200 TEMPERATURE (KELVIN) : 100; NULL REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; NULL REMARK 200 RADIATION SOURCE : ALS; NULL REMARK 200 BEAMLINE : 8.3.1; NULL REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1159, 1.0080, 0.9797; NULL REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL; DOUBLE CRYSTAL REMARK 200 OPTICS : SI(111); NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; NULL REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4; NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29244 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 87.4 REMARK 200 DATA REDUNDANCY : 19.60 REMARK 200 R MERGE (I) : 0.06400 REMARK 200 R SYM (I) : 0.06400 REMARK 200 FOR THE DATA SET : 25.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 48.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.69500 REMARK 200 R SYM FOR SHELL (I) : 0.69500 REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD; SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: MLPHARE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.91 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG, PH 6.5, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 298.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/2 REMARK 290 6555 X-Y,X,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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 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 47.33200 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 47.33200 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 47.33200 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 300 REMARK: THE BIOLOGICAL UNIT IS A TRIMER. 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 10240 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 33860 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -145.0 KCAL/MOL 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 95.76800 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 47.88400 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 82.93752 REMARK 350 BIOMT3 3 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 A 541 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 695 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 1 REMARK 465 PRO A 2 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 TYR A 62 -18.17 -150.34 REMARK 500 ASN A 72 -153.10 -105.69 REMARK 500 ASP A 160 87.97 -157.66 REMARK 500 VAL A 167 -65.59 -97.62 REMARK 500 ASN A 224 -163.70 -111.56 REMARK 500 ALA A 343 -175.76 -64.75 REMARK 500 THR A 380 -61.01 -91.11 REMARK 500 LEU A 383 -86.93 -79.10 REMARK 500 REMARK 500 REMARK: NULL DBREF 1U77 A 1 385 UNP P69681 AMTB_ECOLI 23 407 SEQADV 1U77 MSE A 13 UNP P69681 MET 35 MODIFIED RESIDUE SEQADV 1U77 MSE A 14 UNP P69681 MET 36 MODIFIED RESIDUE SEQADV 1U77 MSE A 23 UNP P69681 MET 45 MODIFIED RESIDUE SEQADV 1U77 MSE A 44 UNP P69681 MET 66 MODIFIED RESIDUE SEQADV 1U77 SER A 68 UNP P69681 PHE 90 ENGINEERED MUTATION SEQADV 1U77 MSE A 82 UNP P69681 MET 104 MODIFIED RESIDUE SEQADV 1U77 MSE A 92 UNP P69681 MET 114 MODIFIED RESIDUE SEQADV 1U77 PRO A 126 UNP P69681 SER 148 ENGINEERED MUTATION SEQADV 1U77 MSE A 146 UNP P69681 MET 168 MODIFIED RESIDUE SEQADV 1U77 MSE A 200 UNP P69681 MET 222 MODIFIED RESIDUE SEQADV 1U77 LEU A 255 UNP P69681 LYS 277 ENGINEERED MUTATION SEQADV 1U77 MSE A 301 UNP P69681 MET 323 MODIFIED RESIDUE SEQADV 1U77 MSE A 328 UNP P69681 MET 350 MODIFIED RESIDUE SEQADV 1U77 MSE A 348 UNP P69681 MET 370 MODIFIED RESIDUE SEQRES 1 A 385 ALA PRO ALA VAL ALA ASP LYS ALA ASP ASN ALA PHE MSE SEQRES 2 A 385 MSE ILE CYS THR ALA LEU VAL LEU PHE MSE THR ILE PRO SEQRES 3 A 385 GLY ILE ALA LEU PHE TYR GLY GLY LEU ILE ARG GLY LYS SEQRES 4 A 385 ASN VAL LEU SER MSE LEU THR GLN VAL THR VAL THR PHE SEQRES 5 A 385 ALA LEU VAL CYS ILE LEU TRP VAL VAL TYR GLY TYR SER SEQRES 6 A 385 LEU ALA SER GLY GLU GLY ASN ASN PHE PHE GLY ASN ILE SEQRES 7 A 385 ASN TRP LEU MSE LEU LYS ASN ILE GLU LEU THR ALA VAL SEQRES 8 A 385 MSE GLY SER ILE TYR GLN TYR ILE HIS VAL ALA PHE GLN SEQRES 9 A 385 GLY SER PHE ALA CYS ILE THR VAL GLY LEU ILE VAL GLY SEQRES 10 A 385 ALA LEU ALA GLU ARG ILE ARG PHE PRO ALA VAL LEU ILE SEQRES 11 A 385 PHE VAL VAL VAL TRP LEU THR LEU SER TYR ILE PRO ILE SEQRES 12 A 385 ALA HIS MSE VAL TRP GLY GLY GLY LEU LEU ALA SER HIS SEQRES 13 A 385 GLY ALA LEU ASP PHE ALA GLY GLY THR VAL VAL HIS ILE SEQRES 14 A 385 ASN ALA ALA ILE ALA GLY LEU VAL GLY ALA TYR LEU ILE SEQRES 15 A 385 GLY LYS ARG VAL GLY PHE GLY LYS GLU ALA PHE LYS PRO SEQRES 16 A 385 HIS ASN LEU PRO MSE VAL PHE THR GLY THR ALA ILE LEU SEQRES 17 A 385 TYR ILE GLY TRP PHE GLY PHE ASN ALA GLY SER ALA GLY SEQRES 18 A 385 THR ALA ASN GLU ILE ALA ALA LEU ALA PHE VAL ASN THR SEQRES 19 A 385 VAL VAL ALA THR ALA ALA ALA ILE LEU GLY TRP ILE PHE SEQRES 20 A 385 GLY GLU TRP ALA LEU ARG GLY LEU PRO SER LEU LEU GLY SEQRES 21 A 385 ALA CYS SER GLY ALA ILE ALA GLY LEU VAL GLY VAL THR SEQRES 22 A 385 PRO ALA CYS GLY TYR ILE GLY VAL GLY GLY ALA LEU ILE SEQRES 23 A 385 ILE GLY VAL VAL ALA GLY LEU ALA GLY LEU TRP GLY VAL SEQRES 24 A 385 THR MSE LEU LYS ARG LEU LEU ARG VAL ASP ASP PRO CYS SEQRES 25 A 385 ASP VAL PHE GLY VAL HIS GLY VAL CYS GLY ILE VAL GLY SEQRES 26 A 385 CYS ILE MSE THR GLY ILE PHE ALA ALA SER SER LEU GLY SEQRES 27 A 385 GLY VAL GLY PHE ALA GLU GLY VAL THR MSE GLY HIS GLN SEQRES 28 A 385 LEU LEU VAL GLN LEU GLU SER ILE ALA ILE THR ILE VAL SEQRES 29 A 385 TRP SER GLY VAL VAL ALA PHE ILE GLY TYR LYS LEU ALA SEQRES 30 A 385 ASP LEU THR VAL GLY LEU ARG VAL MODRES 1U77 MSE A 13 MET SELENOMETHIONINE MODRES 1U77 MSE A 14 MET SELENOMETHIONINE MODRES 1U77 MSE A 23 MET SELENOMETHIONINE MODRES 1U77 MSE A 44 MET SELENOMETHIONINE MODRES 1U77 MSE A 82 MET SELENOMETHIONINE MODRES 1U77 MSE A 92 MET SELENOMETHIONINE MODRES 1U77 MSE A 146 MET SELENOMETHIONINE MODRES 1U77 MSE A 200 MET SELENOMETHIONINE MODRES 1U77 MSE A 301 MET SELENOMETHIONINE MODRES 1U77 MSE A 328 MET SELENOMETHIONINE MODRES 1U77 MSE A 348 MET SELENOMETHIONINE HET MSE A 13 8 HET MSE A 14 8 HET MSE A 23 8 HET MSE A 44 8 HET MSE A 82 8 HET MSE A 92 8 HET MSE A 146 8 HET MSE A 200 12 HET MSE A 301 8 HET MSE A 328 12 HET MSE A 348 8 HETNAM MSE SELENOMETHIONINE FORMUL 1 MSE 11(C5 H11 N O2 SE) FORMUL 2 HOH *243(H2 O) HELIX 1 1 ASP A 6 ILE A 25 1 20 HELIX 2 2 PRO A 26 GLY A 34 1 9 HELIX 3 3 ARG A 37 TYR A 62 1 26 HELIX 4 4 TYR A 62 GLY A 69 1 8 HELIX 5 5 TRP A 80 LYS A 84 5 5 HELIX 6 6 GLN A 97 ALA A 120 1 24 HELIX 7 7 GLU A 121 ILE A 123 5 3 HELIX 8 8 ARG A 124 SER A 139 1 16 HELIX 9 9 SER A 139 GLY A 149 1 11 HELIX 10 10 GLY A 151 HIS A 156 1 6 HELIX 11 11 VAL A 167 ILE A 182 1 16 HELIX 12 12 LYS A 194 HIS A 196 5 3 HELIX 13 13 ASN A 197 GLY A 218 1 22 HELIX 14 14 SER A 219 GLY A 221 5 3 HELIX 15 15 ASN A 224 GLY A 254 1 31 HELIX 16 16 SER A 257 THR A 273 1 17 HELIX 17 17 GLY A 280 ARG A 307 1 28 HELIX 18 18 ASP A 310 CYS A 312 5 3 HELIX 19 19 ASP A 313 ALA A 333 1 21 HELIX 20 20 ALA A 334 GLY A 338 5 5 HELIX 21 21 THR A 347 VAL A 381 1 35 SHEET 1 A 2 VAL A 91 MSE A 92 0 SHEET 2 A 2 ILE A 95 TYR A 96 -1 O ILE A 95 N MSE A 92 LINK C PHE A 12 N MSE A 13 1555 1555 1.33 LINK C MSE A 13 N MSE A 14 1555 1555 1.33 LINK C MSE A 14 N ILE A 15 1555 1555 1.33 LINK C PHE A 22 N MSE A 23 1555 1555 1.33 LINK C MSE A 23 N THR A 24 1555 1555 1.33 LINK C SER A 43 N MSE A 44 1555 1555 1.33 LINK C MSE A 44 N LEU A 45 1555 1555 1.32 LINK C LEU A 81 N MSE A 82 1555 1555 1.33 LINK C MSE A 82 N LEU A 83 1555 1555 1.33 LINK C VAL A 91 N MSE A 92 1555 1555 1.33 LINK C MSE A 92 N GLY A 93 1555 1555 1.33 LINK C HIS A 145 N MSE A 146 1555 1555 1.33 LINK C MSE A 146 N VAL A 147 1555 1555 1.33 LINK C PRO A 199 N MSE A 200 1555 1555 1.33 LINK C MSE A 200 N VAL A 201 1555 1555 1.33 LINK C THR A 300 N MSE A 301 1555 1555 1.33 LINK C MSE A 301 N LEU A 302 1555 1555 1.33 LINK C ILE A 327 N MSE A 328 1555 1555 1.33 LINK C MSE A 328 N THR A 329 1555 1555 1.33 LINK C THR A 347 N MSE A 348 1555 1555 1.33 LINK C MSE A 348 N GLY A 349 1555 1555 1.33 CISPEP 1 ILE A 25 PRO A 26 0 0.58 CRYST1 95.768 95.768 94.664 90.00 90.00 120.00 P 63 6 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 0.010442 0.006029 0.000000 0.00000 SCALE2 0.000000 0.012057 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010564 0.00000