4KLX - JenaLib

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Biological Unit 2 (Jmol Viewer)

Title :   CRYSTAL STRUCTURE OF DIHYDROFOLATE REDUCTASE FROM MYCOBACTERIUM TUBERCULOSIS IN AN OPEN CONFORMATION.

Authors :   M. V. B Dias, P. Tyrakis, T. L. Blundell

Date :   07 May 13 (Deposition) - 25 Dec 13 (Release) - 29 Jan 14 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.23

Chains :   Asym. Unit : A,B
Biol. Unit 1: A  (1x)
Biol. Unit 2: B  (1x)

Keywords :   Reductase, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   M. V. Dias, P. Tyrakis, R. R. Domingues, A. F. Paes Leme, T. L. Blundell
Mycobacterium Tuberculosis Dihydrofolate Reductase Reveals Two Conformational States And A Possible Low Affinity Mechanism To Antifolate Drugs.
Structure V. 22 94 2014
PubMed-ID: 24210757 | Reference-DOI: 10.1016/J.STR.2013.09.022

Molecule 1 - DIHYDROFOLATE REDUCTASE
	Chains	:	A, B
	EC Number	:	1.5.1.3
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Strain	:	BL21(DE3)
	Expression System Taxid	:	469008
	Expression System Vector Type	:	PET28A
	Gene	:	DFRA, FOLA, H37RV, MT2833, MTV002.28C, RV2763C
	Organism Scientific	:	MYCOBACTERIUM TUBERCULOSIS
	Organism Taxid	:	1773

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

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (2, 3)

No.	Name	Count	Type	Full Name
1	ATR	2	Ligand/Ion	2'-MONOPHOSPHOADENOSINE-5'-DIPHOSPHATE
2	ETE	1	Ligand/Ion	2-{2-[2-2-(METHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL

Biological Unit 1 (2, 2)

No.	Name	Count	Type	Full Name
1	ATR	1	Ligand/Ion	2'-MONOPHOSPHOADENOSINE-5'-DIPHOSPHATE
2	ETE	1	Ligand/Ion	2-{2-[2-2-(METHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL

Biological Unit 2 (1, 1)

No.	Name	Count	Type	Full Name
1	ATR	1	Ligand/Ion	2'-MONOPHOSPHOADENOSINE-5'-DIPHOSPHATE
2	ETE	-1	Ligand/Ion	2-{2-[2-2-(METHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL

Asymmetric Unit (3, 3)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	GLY A:43 , ARG A:44 , ARG A:45 , THR A:46 , LEU A:65 , SER A:66 , ARG A:67 , GLN A:68 , GLY A:80 , GLY A:96 , GLY A:97 , GLN A:98 , VAL A:99 , LEU A:102 , HOH A:346 , HOH A:403 , HOH A:435 , HOH A:461 , HOH A:484 , HOH A:560	BINDING SITE FOR RESIDUE ATR A 201
2	AC2	SOFTWARE	GLU A:133 , ARG A:136 , HOH A:495	BINDING SITE FOR RESIDUE ETE A 202
3	AC3	SOFTWARE	ARG B:32 , GLY B:43 , ARG B:44 , ARG B:45 , THR B:46 , LEU B:65 , SER B:66 , ARG B:67 , GLN B:68 , GLY B:80 , GLY B:96 , GLY B:97 , GLN B:98 , VAL B:99 , LEU B:102 , HOH B:326 , HOH B:396 , HOH B:437 , HOH B:475 , HOH B:490 , HOH B:526	BINDING SITE FOR RESIDUE ATR B 200

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

Asymmetric Unit

No.	Residues
1	Arg A:55	-	Pro A:56
2	Gly A:95	-	Gly A:96
3	Arg B:55	-	Pro B:56
4	Gly B:95	-	Gly B:96
5	Gly B:97	-	Gln B:98

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

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

(no "Exon" information available for 4KLX)

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:161
                                                                                                                                                                                                 
               SCOP domains d4klxa_ A: automated matches                                                                                                                                      SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeeee...eee........hhhhhhhhhhhhh..eeeeehhhhhhh..........eeeee...........eee.hhhhhh...eeeeeehhhhhhhhhhhh.eeeeeee..........ee........eeee...ee.....eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4klx A  -1 SHMVGLIWAQATSGVIGRGGDIPWRLPEDQAHFREITMGHTIVMGRRTWDSLPAKVRPLPGRRNVVLSRQADFMASGAEVVGSLEEALTSPETWVIGGGQVYALALPYATRCEVTEVDIGLPREAGDALAPVLDETWRGETGEWRFSRSGLRYRLYSYHRS 159
                                     8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158

Chain B from PDB  Type:PROTEIN  Length:160
                                                                                                                                                                                                
               SCOP domains d4klxb_ B: automated matches                                                                                                                                     SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeeee...eeee.......hhhhhhhhhhhhh..eeeeehhhhhhh..........eeeee...........eee.hhhhhh...eeeeee..hhhhhhhhhh.eeeeeee.........eee........eeee...ee.....eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4klx B   0 HMVGLIWAQATSGVIGRGGDIPWRLPEDQAHFREITMGHTIVMGRRTWDSLPAKVRPLPGRRNVVLSRQADFMASGAEVVGSLEEALTSPETWVIGGGQVYALALPYATRCEVTEVDIGLPREAGDALAPVLDETWRGETGEWRFSRSGLRYRLYSYHRS 159
                                     9        19        29        39        49        59        69        79        89        99       109       119       129       139       149       159

Legend:		→ Mismatch	(orange background)
	-	→ Gap	(green background, '-', border residues have a numbering label)
		→ Modified Residue	(blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
	x	→ Chemical Group	(purple background, 'x', labelled with number + name, e.g. ACE or NH2)
	extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '\|'

Asymmetric Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: Alpha and beta proteins (a/b) (23833)

Fold: Dihydrofolate reductase-like (332)

Superfamily: Dihydrofolate reductase-like (332)

Family: automated matches (76)

Protein domain: automated matches (76)

Mycobacterium tuberculosis [TaxId: 1773] (5)

1a	d4klxa_	A:
1b	d4klxb_	B:

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

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

Asymmetric Unit(hide GO term definitions)

Asymmetric Unit
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		AC2	[ RasMol ]	+environment [ RasMol ]
		AC3	[ RasMol ]	+environment [ RasMol ]

	Cis Peptide Bonds
		Arg A:55 - Pro A:56	[ RasMol ]
		Arg B:55 - Pro B:56	[ RasMol ]
		Gly A:95 - Gly A:96	[ RasMol ]
		Gly B:95 - Gly B:96	[ RasMol ]
		Gly B:97 - Gln B:98	[ RasMol ]

Biological Units
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		Biological Unit 1	[ Jena3D ]
		Biological Unit 2	[ Jena3D ]

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Description

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Ligands, Modified Residues, Ions (2, 3)

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SS Bonds (0, 0)

Cis Peptide Bonds (5, 5)

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