1ECX - JenaLib

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Title :   NIFS-LIKE PROTEIN

Authors :   J. T. Kaiser, T. C. Clausen, G. P. Bourenkow, H. -D. Bartunik, S. Steinba R. Huber

Date :   26 Jan 00 (Deposition) - 20 Mar 00 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.70

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

Keywords :   Plp-Dependent Enzymes, Iron-Sulfur-Cluster Synthesis, C-S Beta Lyase, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   J. T. Kaiser, T. Clausen, G. P. Bourenkow, H. D. Bartunik, S. Steinbacher, R. Huber
Crystal Structure Of A Nifs-Like Protein From Thermotoga Maritima: Implications For Iron Sulphur Cluster Assembly.
J. Mol. Biol. V. 297 451 2000
PubMed-ID: 10715213 | Reference-DOI: 10.1006/JMBI.2000.3581

Molecule 1 - AMINOTRANSFERASE
	Chains	:	A, B
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Taxid	:	562
	Organism Scientific	:	THERMOTOGA MARITIMA
	Organism Taxid	:	2336
	Other Details	:	NIFS-LIKE PROTEIN

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

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (2, 4)

No.	Name	Count	Type	Full Name
1	CYS	2	Mod. Amino Acid	CYSTEINE
2	PLP	2	Ligand/Ion	PYRIDOXAL-5'-PHOSPHATE

Biological Unit 1 (2, 4)

No.	Name	Count	Type	Full Name
1	CYS	2	Mod. Amino Acid	CYSTEINE
2	PLP	2	Ligand/Ion	PYRIDOXAL-5'-PHOSPHATE

Biological Unit 2 (2, 2)

No.	Name	Count	Type	Full Name
1	CYS	1	Mod. Amino Acid	CYSTEINE
2	PLP	1	Ligand/Ion	PYRIDOXAL-5'-PHOSPHATE

Asymmetric Unit (4, 4)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	CYS A:69 , ALA A:70 , THR A:71 , HIS A:99 , MET A:146 , ASN A:150 , ASP A:177 , VAL A:179 , GLN A:180 , SER A:200 , HIS A:202 , LYS A:203 , CYS A:502 , GLY B:237 , THR B:238	BINDING SITE FOR RESIDUE PLP A 500
2	AC2	SOFTWARE	GLY A:237 , THR A:238 , CYS B:69 , ALA B:70 , THR B:71 , HIS B:99 , MET B:146 , ASN B:150 , ASP B:177 , VAL B:179 , GLN B:180 , SER B:200 , HIS B:202 , LYS B:203 , CYS B:503	BINDING SITE FOR RESIDUE PLP B 501
3	AC3	SOFTWARE	ASN A:8 , HIS A:99 , ASN A:150 , ARG A:350 , PLP A:500	BINDING SITE FOR RESIDUE CYS A 502
4	AC4	SOFTWARE	HOH A:566 , ASN B:8 , ALA B:9 , HIS B:99 , ASN B:150 , ARG B:350 , PLP B:501	BINDING SITE FOR RESIDUE CYS B 503

(no "SS Bond" information available for 1ECX)

(no "Cis Peptide Bond" information available for 1ECX)

(no "SAP(SNP)/Variant" information available for 1ECX)

(no "PROSITE Motif" information available for 1ECX)

(no "Exon" information available for 1ECX)

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:364
 aligned with Q9X218_THEMA | Q9X218 from UniProtKB/TrEMBL  Length:384

    Alignment length:376
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370      
         Q9X218_THEMA     1 MRVYFDNNATTRVDDRVLEEMIVFYREKYGNPNSAHGMGIEANLHMEKAREKVAKVLGVSPSEIFFTSCATESINWILKTVAETFEKRKRTIITTPIEHKAVLETMKYLSMKGFKVKYVPVDSRGVVKLEELEKLVDEDTFLVSIMAANNEVGTIQPVEDVTRIVKKKNKETLVHVDAVQTIGKIPFSLEKLEVDYASFSAHKFHGPKGVGITYIRKGVPIRPLIHGGGQERGLRSGTQNVPGIVGAARAMEIAVEELSEAAKHMEKLRSKLVSGLMNLGAHIITPLEISLPNTLSVSFPNIRGSTLQNLLSGYGIYVSTSSACTSKDERLSHVLDAMGVDRRIAQGAIRISLCKYNTEEEVDYFLKKIEEILSFL 376
               SCOP domains d1ecxa_ A: NifS-like protein/selenocysteine lyase                                                                                                                                                                                                                                                                                                                                        SCOP domains
               CATH domains 1ecxA01      1ecxA02 A:14-257 Type I PLP-dependent aspartate aminotransferase-like (Major domain)                                                                                                                                                                1ecxA01 A:1-13,A:258-372 Aspartate Aminotransferase, domain 1                                                      ---- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..ee.........hhhhhhhhhhhhhh........hhhhhhhhhhhhhhhhhhhhhhh.hhh.eeee.hhhhhhhhhhhhhhhh......eeee....hhhhhhhhhhhhhh..eeee.........hhhhhhhhh...eeeeeee..........hhhhhhhhhhhhh...eeeee..................eeeee.hhh......eeeee........................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...ee..hhhh....eeeee....hhhhhhhhhhhh.ee...------------hhhhhh..hhhhhh..eeee.....hhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ecx A   1 MRVYFDNNATTRVDDRVLEEMIVFYREKYGNPNSAHGMGIEANLHMEKAREKVAKVLGVSPSEIFFTSCATESINWILKTVAETFEKRKRTIITTPIEHKAVLETMKYLSMKGFKVKYVPVDSRGVVKLEELEKLVDEDTFLVSIMAANNEVGTIQPVEDVTRIVKKKNKETLVHVDAVQTIGKIPFSLEKLEVDYASFSAHKFHGPKGVGITYIRKGVPIRPLIHGGGQERGLRSGTQNVPGIVGAARAMEIAVEELSEAAKHMEKLRSKLVSGLMNLGAHIITPLEISLPNTLSVSFPNIRGSTLQNLLSGYGIYVST------------HVLDAMGVDRRIAQGAIRISLCKYNTEEEVDYFLKKIEEILSFL 376
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320         -  |    340       350       360       370      
                                                                                                                                                                                                                                                                                                                                                         320          333

Chain B from PDB  Type:PROTEIN  Length:365
 aligned with Q9X218_THEMA | Q9X218 from UniProtKB/TrEMBL  Length:384

    Alignment length:376
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370      
         Q9X218_THEMA     1 MRVYFDNNATTRVDDRVLEEMIVFYREKYGNPNSAHGMGIEANLHMEKAREKVAKVLGVSPSEIFFTSCATESINWILKTVAETFEKRKRTIITTPIEHKAVLETMKYLSMKGFKVKYVPVDSRGVVKLEELEKLVDEDTFLVSIMAANNEVGTIQPVEDVTRIVKKKNKETLVHVDAVQTIGKIPFSLEKLEVDYASFSAHKFHGPKGVGITYIRKGVPIRPLIHGGGQERGLRSGTQNVPGIVGAARAMEIAVEELSEAAKHMEKLRSKLVSGLMNLGAHIITPLEISLPNTLSVSFPNIRGSTLQNLLSGYGIYVSTSSACTSKDERLSHVLDAMGVDRRIAQGAIRISLCKYNTEEEVDYFLKKIEEILSFL 376
               SCOP domains d1ecxb_ B: NifS-like protein/selenocysteine lyase                                                                                                                                                                                                                                                                                                                                        SCOP domains
               CATH domains 1ecxB01      1ecxB02 B:14-257 Type I PLP-dependent aspartate aminotransferase-like (Major domain)                                                                                                                                                                --1ecxB01 B:1-13,B:260-372 Aspartate Aminotransferase, domain 1                                                    ---- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..ee.........hhhhhhhhhhhhhh........hhhhhhhhhhhhhhhhhhhhhhh.hhh.eeee.hhhhhhhhhhhhhhhhh.....eeee....hhhhhhhhhhhhhh..eeee.........hhhhhhhhh...eeeeeee..........hhhhhhhhhhhhh...eeeee..................eeeee.hhhh.....eeeee..............hhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..ee..hhhh....eeeee....hhhhhhhhhhhh.ee...-----------hhhhhhhh.hhhhhhheeeee.....hhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ecx B   1 MRVYFDNNATTRVDDRVLEEMIVFYREKYGNPNSAHGMGIEANLHMEKAREKVAKVLGVSPSEIFFTSCATESINWILKTVAETFEKRKRTIITTPIEHKAVLETMKYLSMKGFKVKYVPVDSRGVVKLEELEKLVDEDTFLVSIMAANNEVGTIQPVEDVTRIVKKKNKETLVHVDAVQTIGKIPFSLEKLEVDYASFSAHKFHGPKGVGITYIRKGVPIRPLIHGGGQERGLRSGTQNVPGIVGAARAMEIAVEELSEAAKHMEKLRSKLVSGLMNLGAHIITPLEISLPNTLSVSFPNIRGSTLQNLLSGYGIYVST-----------RHVLDAMGVDRRIAQGAIRISLCKYNTEEEVDYFLKKIEEILSFL 376
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320         - |     340       350       360       370      
                                                                                                                                                                                                                                                                                                                                                         320         332

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: PLP-dependent transferase-like (627)

Superfamily: PLP-dependent transferases (625)

Family: Cystathionine synthase-like (64)

Protein domain: NifS-like protein/selenocysteine lyase (7)

Thermotoga maritima [TaxId: 2336] (2)

1a	d1ecxa_	A:
1b	d1ecxb_	B:

(no "Pfam Domain" information available for 1ECX)

Asymmetric Unit(hide GO term definitions)

Chain A,B (Q9X218_THEMA | Q9X218)


GO:0003824	catalytic activity	Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
GO:0031071	cysteine desulfurase activity	Catalysis of the reaction: L-cysteine + [enzyme]-cysteine = L-alanine + [enzyme]-S-sulfanylcysteine.
GO:0008483	transaminase activity	Catalysis of the transfer of an amino group to an acceptor, usually a 2-oxo acid.
GO:0016740	transferase activity	Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.

Asymmetric Unit
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	Q9X218_THEMA \| Q9X218	:	1eg5

1eg5	NIFS-LIKE PROTEIN, SUBSTRATE COMPLEX, SELENOMETHIONINE MUTATION

Description

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Ligands, Modified Residues, Ions (2, 4)

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