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(-) Description

Title :  CRYSTAL STRUCTURE OF RV2671 FROM MYCOBACTEIRUM TUBERCULOSIS IN COMPLEX WITH DIHYDROPTERIDINE RING OF DIHYDROPTEROIC ACID
 
Authors :  J. C. Sacchettini, Y. S. Cheng, Tb Structural Genomics Consortium
Date :  22 Jan 15  (Deposition) - 24 Feb 16  (Release) - 09 Mar 16  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.89
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Reductase, Pteridine, Structural Genomics, Tb Structural Genomics Consortium, Tbsgc, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  Y. S. Cheng, J. C. Sacchettini
Structural Insights Into Mycobacterium Tuberculosis Rv2671 Protein As A Dihydrofolate Reductase Functional Analogue Contributing To Para-Aminosalicylic Acid Resistance.
Biochemistry V. 55 1107 2016
PubMed-ID: 26848874  |  Reference-DOI: 10.1021/ACS.BIOCHEM.5B00993

(-) Compounds

Molecule 1 - RV2671
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: RIBD, RV2671, RVBD_2671, LH57_14640, P425_02787
    Organism Scientific: MYCOBACTERIUM TUBERCULOSIS (STRAIN ATCC 25618 / H37RV)
    Organism Taxid: 83332
    Strain: ATCC 25618 / H37RV

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (2x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 4)

Asymmetric Unit (3, 4)
No.NameCountTypeFull Name
144W1Ligand/Ion2-AMINO-6-METHYL-7,8-DIHYDROPTERIDIN-4(3H)-ONE
2GOL2Ligand/IonGLYCEROL
3NAP1Ligand/IonNADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
Biological Unit 1 (3, 8)
No.NameCountTypeFull Name
144W2Ligand/Ion2-AMINO-6-METHYL-7,8-DIHYDROPTERIDIN-4(3H)-ONE
2GOL4Ligand/IonGLYCEROL
3NAP2Ligand/IonNADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:84 , VAL A:85 , GLY A:86 , THR A:87 , VAL A:120 , THR A:121 , ARG A:122 , SER A:123 , VAL A:173 , GLU A:175 , GLY A:195 , PRO A:196 , THR A:197 , LEU A:198 , THR A:201 , HOH A:479binding site for residue NAP A 301
2AC2SOFTWAREASN A:44 , PHE A:45 , ILE A:46 , ASP A:67 , GLU A:91 , GLU A:193 , THR A:214 , GOL A:303 , HOH A:450binding site for residue 44W A 302
3AC3SOFTWAREASP A:67 , 44W A:302binding site for residue GOL A 303
4AC4SOFTWAREALA A:63 , GLY A:64 , ALA A:164 , SER A:166 , TYR A:218 , TYR A:250 , HOH A:401 , HOH A:402 , HOH A:416 , HOH A:426binding site for residue GOL A 304

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4XT4)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Gly A:194 -Gly A:195
2Lys A:257 -Thr A:258

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4XT4)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4XT4)

(-) Exons   (0, 0)

(no "Exon" information available for 4XT4)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:246
                                                                                                                                                                                                                                                                                      
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .............hhhhhhh.......eeeeeeeee..........hhhhhhhhhhhhhhhhhhhh.eeeeehhhhhhh.......hhhhhhhhhhh......eeeee.........hhhhhh.....eeeehhhhhhhhhhhh....eeee.........hhhhhhhhhhh....eeeeeehhhhhhhhhhh....eeeeeee.....................eeeeeeee.....eeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4xt4 A  13 PLRLLSSVHYLTDGELPQLYDYPDDGTWLRANFISSLDGGATVDGTSGAMAGPGDRFVFNLLRELADVIVVGVGTVRIEGYSGVRMGVVQRQHRQARGQSEVPQLAIVTRSGRLDRDMAVFTRTEMAPLVLTTTAVADDTRQRLAGLAEVIACSGDDPGTVDEAVLVSQLAARGLRRILTEGGPTLLGTFVERDVLDELCLTIAPYVVGGLARRIVTGPGQVLTRMRCAHVLTDDSGYLYTRYVKT 258
                                    22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 4XT4)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4XT4)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4XT4)

(-) Gene Ontology  (4, 4)

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

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        A0A089S8V3_M | A0A089S8V3: 4xrb 4xt5 4xt6 4xt7 4xt8
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(-) Related Entries Specified in the PDB File

4xrb 4xt5 4xt6 4xt7 4xt8