HEADER TRANSPORT PROTEIN 12-OCT-04 1XQF TITLE THE MECHANISM OF AMMONIA TRANSPORT BASED ON THE CRYSTAL STRUCTURE OF TITLE 2 AMTB OF E. COLI. COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROBABLE AMMONIUM TRANSPORTER; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: AMMONIA TRANSPORTER; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: C43 (DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET22B-AMTBLH KEYWDS AMMONIA TRANSPORT, WILD TYPE, CLOSED CONFORMATION, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR L.ZHENG,D.KOSTREWA,S.BERNECHE,F.K.WINKLER,X.-D.LI REVDAT 6 13-MAR-24 1XQF 1 REMARK SEQADV REVDAT 5 11-OCT-17 1XQF 1 REMARK REVDAT 4 13-JUL-11 1XQF 1 VERSN REVDAT 3 24-FEB-09 1XQF 1 VERSN REVDAT 2 05-APR-05 1XQF 1 JRNL REVDAT 1 26-OCT-04 1XQF 0 JRNL AUTH L.ZHENG,D.KOSTREWA,S.BERNECHE,F.K.WINKLER,X.-D.LI JRNL TITL THE MECHANISM OF AMMONIA TRANSPORT BASED ON THE CRYSTAL JRNL TITL 2 STRUCTURE OF AMTB OF ESCHERICHIA COLI JRNL REF PROC.NATL.ACAD.SCI.USA V. 101 17090 2004 JRNL REFN ISSN 0027-8424 JRNL PMID 15563598 JRNL DOI 10.1073/PNAS.0406475101 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.8 REMARK 3 NUMBER OF REFLECTIONS : 51701 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 + TEST SET) : 0.182 REMARK 3 R VALUE (WORKING SET) : 0.181 REMARK 3 FREE R VALUE : 0.208 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2751 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.85 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3896 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.70 REMARK 3 BIN R VALUE (WORKING SET) : 0.2820 REMARK 3 BIN FREE R VALUE SET COUNT : 207 REMARK 3 BIN FREE R VALUE : 0.3310 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2632 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 14 REMARK 3 SOLVENT ATOMS : 103 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 37.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 38.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.27000 REMARK 3 B22 (A**2) : 1.27000 REMARK 3 B33 (A**2) : -1.90000 REMARK 3 B12 (A**2) : 0.63000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.087 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.089 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.073 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.102 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.963 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.950 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2705 ; 0.013 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3689 ; 1.121 ; 1.942 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 359 ; 4.693 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 81 ;29.411 ;22.963 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 386 ;11.672 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 5 ;11.201 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 444 ; 0.076 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1968 ; 0.003 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1082 ; 0.175 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1931 ; 0.292 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 51 ; 0.073 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 45 ; 0.125 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 5 ; 0.055 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1824 ; 2.612 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2802 ; 3.442 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1054 ; 4.972 ; 4.500 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 887 ; 6.584 ; 6.000 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 1XQF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 14-OCT-04. REMARK 100 THE DEPOSITION ID IS D_1000030645. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 31-JUL-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X06SA REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9797 REMARK 200 MONOCHROMATOR : CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MAR REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 54526 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 96.670 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.6 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05400 REMARK 200 FOR THE DATA SET : 13.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.85 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.5 REMARK 200 DATA REDUNDANCY IN SHELL : 3.70 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.71000 REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT 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 (%): 68.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 550, PH 4.6, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 298K 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 43.20000 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 43.20000 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 43.20000 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 ASSEMBLY IS A TRIMER GENERATED FROM THE REMARK 300 MONOMER IN THE ASYMMETRIC UNIT BY THE OPERATIONS: (-Y+1,X-Y,Z) AND REMARK 300 (-X+Y+1,-X+1,Z). 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: 11750 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 34670 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -213.0 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 111.80000 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 55.90000 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 96.82164 REMARK 350 BIOMT3 3 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 ALA A 1 REMARK 465 PRO A 2 REMARK 465 ILE A 182 REMARK 465 GLY A 183 REMARK 465 LYS A 184 REMARK 465 ARG A 185 REMARK 465 VAL A 186 REMARK 465 GLY A 187 REMARK 465 PHE A 188 REMARK 465 GLY A 189 REMARK 465 LYS A 190 REMARK 465 GLU A 191 REMARK 465 ALA A 192 REMARK 465 PHE A 193 REMARK 465 LYS A 194 REMARK 465 LEU A 302 REMARK 465 LYS A 303 REMARK 465 ARG A 304 REMARK 465 LEU A 305 REMARK 465 LEU A 306 REMARK 465 ARG A 307 REMARK 465 VAL A 308 REMARK 465 ASP A 309 REMARK 465 ASP A 310 REMARK 465 GLU A 387 REMARK 465 GLU A 388 REMARK 465 GLN A 389 REMARK 465 GLU A 390 REMARK 465 ARG A 391 REMARK 465 GLU A 392 REMARK 465 GLY A 393 REMARK 465 LEU A 394 REMARK 465 ASP A 395 REMARK 465 VAL A 396 REMARK 465 ASN A 397 REMARK 465 SER A 398 REMARK 465 HIS A 399 REMARK 465 GLY A 400 REMARK 465 GLU A 401 REMARK 465 ASN A 402 REMARK 465 ALA A 403 REMARK 465 TYR A 404 REMARK 465 ASN A 405 REMARK 465 ALA A 406 REMARK 465 ASP A 407 REMARK 465 GLN A 408 REMARK 465 ALA A 409 REMARK 465 GLN A 410 REMARK 465 GLN A 411 REMARK 465 PRO A 412 REMARK 465 ALA A 413 REMARK 465 GLN A 414 REMARK 465 ALA A 415 REMARK 465 ASP A 416 REMARK 465 LEU A 417 REMARK 465 GLU A 418 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 GLU A 70 CD GLU A 70 OE2 0.078 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 TYR A 62 -17.75 -148.06 REMARK 500 ASN A 72 -159.61 -122.22 REMARK 500 VAL A 167 -62.27 -98.20 REMARK 500 ASN A 224 -162.97 -115.78 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 SO4 A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 601 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1XQE RELATED DB: PDB REMARK 900 THE SAME WILD TYPE AMTB IN PRESENCE OF AMMONIUM REMARK 900 RELATED ID: 1U7G RELATED DB: PDB REMARK 900 TRIPLE MUTANT OF AMTB DBREF 1XQF A 1 406 UNP P69681 AMTB_ECOLI 23 428 SEQADV 1XQF ASP A 407 UNP P69681 CLONING ARTIFACT SEQADV 1XQF GLN A 408 UNP P69681 CLONING ARTIFACT SEQADV 1XQF ALA A 409 UNP P69681 CLONING ARTIFACT SEQADV 1XQF GLN A 410 UNP P69681 CLONING ARTIFACT SEQADV 1XQF GLN A 411 UNP P69681 CLONING ARTIFACT SEQADV 1XQF PRO A 412 UNP P69681 CLONING ARTIFACT SEQADV 1XQF ALA A 413 UNP P69681 CLONING ARTIFACT SEQADV 1XQF GLN A 414 UNP P69681 CLONING ARTIFACT SEQADV 1XQF ALA A 415 UNP P69681 CLONING ARTIFACT SEQADV 1XQF ASP A 416 UNP P69681 CLONING ARTIFACT SEQADV 1XQF LEU A 417 UNP P69681 CLONING ARTIFACT SEQADV 1XQF GLU A 418 UNP P69681 CLONING ARTIFACT SEQRES 1 A 418 ALA PRO ALA VAL ALA ASP LYS ALA ASP ASN ALA PHE MET SEQRES 2 A 418 MET ILE CYS THR ALA LEU VAL LEU PHE MET THR ILE PRO SEQRES 3 A 418 GLY ILE ALA LEU PHE TYR GLY GLY LEU ILE ARG GLY LYS SEQRES 4 A 418 ASN VAL LEU SER MET LEU THR GLN VAL THR VAL THR PHE SEQRES 5 A 418 ALA LEU VAL CYS ILE LEU TRP VAL VAL TYR GLY TYR SER SEQRES 6 A 418 LEU ALA PHE GLY GLU GLY ASN ASN PHE PHE GLY ASN ILE SEQRES 7 A 418 ASN TRP LEU MET LEU LYS ASN ILE GLU LEU THR ALA VAL SEQRES 8 A 418 MET GLY SER ILE TYR GLN TYR ILE HIS VAL ALA PHE GLN SEQRES 9 A 418 GLY SER PHE ALA CYS ILE THR VAL GLY LEU ILE VAL GLY SEQRES 10 A 418 ALA LEU ALA GLU ARG ILE ARG PHE SER ALA VAL LEU ILE SEQRES 11 A 418 PHE VAL VAL VAL TRP LEU THR LEU SER TYR ILE PRO ILE SEQRES 12 A 418 ALA HIS MET VAL TRP GLY GLY GLY LEU LEU ALA SER HIS SEQRES 13 A 418 GLY ALA LEU ASP PHE ALA GLY GLY THR VAL VAL HIS ILE SEQRES 14 A 418 ASN ALA ALA ILE ALA GLY LEU VAL GLY ALA TYR LEU ILE SEQRES 15 A 418 GLY LYS ARG VAL GLY PHE GLY LYS GLU ALA PHE LYS PRO SEQRES 16 A 418 HIS ASN LEU PRO MET VAL PHE THR GLY THR ALA ILE LEU SEQRES 17 A 418 TYR ILE GLY TRP PHE GLY PHE ASN ALA GLY SER ALA GLY SEQRES 18 A 418 THR ALA ASN GLU ILE ALA ALA LEU ALA PHE VAL ASN THR SEQRES 19 A 418 VAL VAL ALA THR ALA ALA ALA ILE LEU GLY TRP ILE PHE SEQRES 20 A 418 GLY GLU TRP ALA LEU ARG GLY LYS PRO SER LEU LEU GLY SEQRES 21 A 418 ALA CYS SER GLY ALA ILE ALA GLY LEU VAL GLY VAL THR SEQRES 22 A 418 PRO ALA CYS GLY TYR ILE GLY VAL GLY GLY ALA LEU ILE SEQRES 23 A 418 ILE GLY VAL VAL ALA GLY LEU ALA GLY LEU TRP GLY VAL SEQRES 24 A 418 THR MET LEU LYS ARG LEU LEU ARG VAL ASP ASP PRO CYS SEQRES 25 A 418 ASP VAL PHE GLY VAL HIS GLY VAL CYS GLY ILE VAL GLY SEQRES 26 A 418 CYS ILE MET THR GLY ILE PHE ALA ALA SER SER LEU GLY SEQRES 27 A 418 GLY VAL GLY PHE ALA GLU GLY VAL THR MET GLY HIS GLN SEQRES 28 A 418 LEU LEU VAL GLN LEU GLU SER ILE ALA ILE THR ILE VAL SEQRES 29 A 418 TRP SER GLY VAL VAL ALA PHE ILE GLY TYR LYS LEU ALA SEQRES 30 A 418 ASP LEU THR VAL GLY LEU ARG VAL PRO GLU GLU GLN GLU SEQRES 31 A 418 ARG GLU GLY LEU ASP VAL ASN SER HIS GLY GLU ASN ALA SEQRES 32 A 418 TYR ASN ALA ASP GLN ALA GLN GLN PRO ALA GLN ALA ASP SEQRES 33 A 418 LEU GLU HET SO4 A 501 5 HET SO4 A 503 5 HET ACT A 601 4 HETNAM SO4 SULFATE ION HETNAM ACT ACETATE ION FORMUL 2 SO4 2(O4 S 2-) FORMUL 4 ACT C2 H3 O2 1- FORMUL 5 HOH *103(H2 O) HELIX 1 1 ASP A 6 ILE A 25 1 20 HELIX 2 2 PRO A 26 ILE A 36 1 11 HELIX 3 3 ARG A 37 LYS A 39 5 3 HELIX 4 4 ASN A 40 TYR A 62 1 23 HELIX 5 5 TYR A 62 GLY A 69 1 8 HELIX 6 6 TRP A 80 LYS A 84 5 5 HELIX 7 7 GLN A 97 ALA A 120 1 24 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 LEU A 181 1 15 HELIX 12 12 ASN A 197 GLY A 218 1 22 HELIX 13 13 SER A 219 GLY A 221 5 3 HELIX 14 14 ASN A 224 GLY A 254 1 31 HELIX 15 15 SER A 257 THR A 273 1 17 HELIX 16 16 GLY A 280 MET A 301 1 22 HELIX 17 17 ASP A 313 ALA A 333 1 21 HELIX 18 18 ALA A 334 GLY A 338 5 5 HELIX 19 19 THR A 347 VAL A 381 1 35 SHEET 1 A 2 VAL A 91 MET A 92 0 SHEET 2 A 2 ILE A 95 TYR A 96 -1 O ILE A 95 N MET A 92 CISPEP 1 ILE A 25 PRO A 26 0 5.68 SITE 1 AC1 3 ARG A 124 PHE A 125 SER A 126 SITE 1 AC2 3 ASN A 72 ASN A 73 PHE A 74 SITE 1 AC3 5 TRP A 148 ALA A 158 LEU A 159 ASP A 160 SITE 2 AC3 5 TYR A 278 CRYST1 111.800 111.800 86.400 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 0.008945 0.005164 0.000000 0.00000 SCALE2 0.000000 0.010328 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011574 0.00000