HEADER TRANSPORT PROTEIN 12-OCT-04 1XQE 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, OPEN CONFORMATION, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR L.ZHENG,D.KOSTREWA,S.BERNECHE,F.K.WINKLER,X.-D.LI REVDAT 7 03-APR-24 1XQE 1 REMARK REVDAT 6 13-MAR-24 1XQE 1 REMARK SEQADV REVDAT 5 11-OCT-17 1XQE 1 REMARK REVDAT 4 13-JUL-11 1XQE 1 VERSN REVDAT 3 24-FEB-09 1XQE 1 VERSN REVDAT 2 05-APR-05 1XQE 1 JRNL REVDAT 1 26-OCT-04 1XQE 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. 2.10 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) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 60.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 36648 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) : 0.161 REMARK 3 R VALUE (WORKING SET) : 0.159 REMARK 3 FREE R VALUE : 0.186 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1935 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) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.16 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2726 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.93 REMARK 3 BIN R VALUE (WORKING SET) : 0.2580 REMARK 3 BIN FREE R VALUE SET COUNT : 158 REMARK 3 BIN FREE R VALUE : 0.2880 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2660 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 19 REMARK 3 SOLVENT ATOMS : 93 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 44.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 42.77 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.58000 REMARK 3 B22 (A**2) : 1.58000 REMARK 3 B33 (A**2) : -2.36000 REMARK 3 B12 (A**2) : 0.79000 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): 0.112 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.109 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.089 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.164 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.973 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.962 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2737 ; 0.012 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3734 ; 1.236 ; 1.946 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 363 ; 5.267 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 83 ;31.451 ;23.133 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 390 ;13.518 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 5 ;25.424 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 448 ; 0.085 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1996 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1474 ; 0.198 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 2020 ; 0.307 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 142 ; 0.112 ; 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): 73 ; 0.187 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 3 ; 0.128 ; 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): 1821 ; 2.205 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2833 ; 3.147 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1067 ; 4.726 ; 4.500 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 901 ; 6.173 ; 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 1XQE 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_1000030644. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-MAY-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 : 38583 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 79.060 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 5.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07300 REMARK 200 FOR THE DATA SET : 13.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.15 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 5.70 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.70000 REMARK 200 FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: THE SAME STRUCTURE IN THE ABSENCE OF AMMONIUM 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: H 3 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+2/3,Y+1/3,Z+1/3 REMARK 290 5555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 6555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 7555 X+1/3,Y+2/3,Z+2/3 REMARK 290 8555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 9555 -X+Y+1/3,-X+2/3,Z+2/3 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 58.31600 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 33.66876 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 43.51433 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 58.31600 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 33.66876 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 43.51433 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 58.31600 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 33.66876 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 43.51433 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 67.33752 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 87.02867 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 67.33752 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 87.02867 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 67.33752 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 87.02867 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+1,Z) REMARK 300 AND (-X+Y,-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: 12560 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 31640 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -264.0 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 58.31600 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 101.00627 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 -58.31600 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 101.00627 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 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 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 0.076 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 -15.33 -147.81 REMARK 500 ASN A 72 -162.18 -125.48 REMARK 500 ASP A 160 88.92 -158.22 REMARK 500 VAL A 167 -62.66 -96.28 REMARK 500 ASN A 224 -161.84 -109.69 REMARK 500 VAL A 317 -61.14 -107.60 REMARK 500 ALA A 343 157.10 -48.53 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 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 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: 1XQF RELATED DB: PDB REMARK 900 THE SAME WILD TYPE AMTB IN ABSENCE OF AMMONIUM REMARK 900 RELATED ID: 1U7G RELATED DB: PDB REMARK 900 TRIPLE MUTANT OF AMTB DBREF 1XQE A 1 406 UNP P69681 AMTB_ECOLI 23 428 SEQADV 1XQE ASP A 407 UNP P69681 CLONING ARTIFACT SEQADV 1XQE GLN A 408 UNP P69681 CLONING ARTIFACT SEQADV 1XQE ALA A 409 UNP P69681 CLONING ARTIFACT SEQADV 1XQE GLN A 410 UNP P69681 CLONING ARTIFACT SEQADV 1XQE GLN A 411 UNP P69681 CLONING ARTIFACT SEQADV 1XQE PRO A 412 UNP P69681 CLONING ARTIFACT SEQADV 1XQE ALA A 413 UNP P69681 CLONING ARTIFACT SEQADV 1XQE GLN A 414 UNP P69681 CLONING ARTIFACT SEQADV 1XQE ALA A 415 UNP P69681 CLONING ARTIFACT SEQADV 1XQE ASP A 416 UNP P69681 CLONING ARTIFACT SEQADV 1XQE LEU A 417 UNP P69681 CLONING ARTIFACT SEQADV 1XQE 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 502 5 HET SO4 A 503 5 HET ACT A 601 4 HETNAM SO4 SULFATE ION HETNAM ACT ACETATE ION FORMUL 2 SO4 3(O4 S 2-) FORMUL 5 ACT C2 H3 O2 1- FORMUL 6 HOH *93(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 GLY A 183 1 17 HELIX 12 12 ASN A 197 SER A 219 1 23 HELIX 13 13 ASN A 224 GLY A 254 1 31 HELIX 14 14 SER A 257 THR A 273 1 17 HELIX 15 15 GLY A 280 MET A 301 1 22 HELIX 16 16 ASP A 310 CYS A 312 5 3 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 5.98 SITE 1 AC1 4 ARG A 124 PHE A 125 SER A 126 TRP A 250 SITE 1 AC2 6 ALA A 334 SER A 335 SER A 336 PHE A 342 SITE 2 AC2 6 ARG A 384 HOH A 678 SITE 1 AC3 3 ASN A 72 ASN A 73 PHE A 74 SITE 1 AC4 4 VAL A 147 ALA A 158 ASP A 160 TYR A 278 CRYST1 116.632 116.632 130.543 90.00 90.00 120.00 H 3 9 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 0.008574 0.004950 0.000000 0.00000 SCALE2 0.000000 0.009900 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007660 0.00000