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Title :   THE E. COLI BIOTIN HOLOENZYME SYNTHETASE(SLASH)BIO REPRESSOR CRYSTAL STRUCTURE DELINEATES THE BIOTIN AND DNA-BINDING DOMAINS

Authors :   K. P. Wilson, L. M. Shewchuk, B. W. Matthews

Date :   06 Jul 92 (Deposition) - 31 Oct 93 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.30

Chains :   Asym./Biol. Unit : A

Keywords :   Transcription Regulation (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   K. P. Wilson, L. M. Shewchuk, R. G. Brennan, A. J. Otsuka, B. W. Matthews
Escherichia Coli Biotin Holoenzyme Synthetase/Bio Repressor Crystal Structure Delineates The Biotin- And Dna-Binding Domains.
Proc. Natl. Acad. Sci. Usa V. 89 9257 1992
PubMed-ID: 1409631 | Reference-DOI: 10.1073/PNAS.89.19.9257
(for further references see the PDB file header)

Molecule 1 - BIRA BIFUNCTIONAL PROTEIN
	Chains	:	A
	EC Number	:	6.3.4.15
	Engineered	:	YES
	Organism Scientific	:	ESCHERICHIA COLI
	Organism Taxid	:	562

		1
Asymmetric/Biological Unit	:	A

Summary Information (see also Sequences/Alignments below)

(no "Ligand,Modified Residues,Ions" information available for 1BIA)

Asymmetric Unit (2, 2)

No.	Name	Evidence	Residues	Description
1	CAT	UNKNOWN	SER A:89 , THR A:90 , ASN A:91 , GLN A:112 , GLY A:115 , TYR A:132 , LYS A:183 , ILE A:187 , LEU A:188 , GLY A:204 , ALA A:205	NULL
2	HTH	UNKNOWN	GLY A:22 , GLU A:23 , GLN A:24 , LEU A:25 , GLY A:26 , GLU A:27 , THR A:28 , LEU A:29 , GLY A:30 , MET A:31 , SER A:32 , ARG A:33 , ALA A:34 , ALA A:35 , ILE A:36 , ASN A:37 , LYS A:38 , HIS A:39 , ILE A:40 , GLN A:41 , THR A:42 , LEU A:43 , ARG A:44 , ASP A:45 , TRP A:46	NULL

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

Asymmetric/Biological Unit

No.	Residues
1	Trp A:173	-	Pro A:174

Asymmetric/Biological Unit (2, 2)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_BIRA_ECOLI_001 *	P	61	A	BIRA_ECOLI	---	---	A	P	61	A
2	UniProt	VAR_BIRA_ECOLI_002 *	K	70	E	BIRA_ECOLI	---	---	A	K	70	E
	* ID not provided by source

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

Asymmetric/Biological Unit (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	BPL_LPL_CATALYTIC	PS51733	Biotinyl protein ligase (BPL) and lipoyl protein ligase (LPL) catalytic domain profile.	BIRA_ECOLI	66-254	1	A:66-254

(no "Exon" information available for 1BIA)

Asymmetric/Biological 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
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Chain A from PDB  Type:PROTEIN  Length:292
 aligned with BIRA_ECOLI | P06709 from UniProtKB/Swiss-Prot  Length:321

    Alignment length:317
                                    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       
           BIRA_ECOLI     1 MKDNTVPLKLIALLANGEFHSGEQLGETLGMSRAAINKHIQTLRDWGVDVFTVPGKGYSLPEPIQLLNAKQILGQLDGGSVAVLPVIDSTNQYLLDRIGELKSGDACIAEYQQAGRGRRGRKWFSPFGANLYLSMFWRLEQGPAAAIGLSLVIGIVMAEVLRKLGADKVRVKWPNDLYLQDRKLAGILVELTGKTGDAAQIVIGAGINMAMRRVEESVVNQGWITLQEAGINLDRNTLAAMLIRELRAALELFEQEGLAPYLSRWEKLDNFINRPVKLIIGDKEIFGISRGIDKQGALLLEQDGIIKPWMGGEISLR 317
               SCOP domains d1biaa1 A:1-63 Biotin repressor, N-terminal domain             d1biaa3 A:64-270 Biotin repressor/biotin holoenzyme          synthetase, catal ytic (central) domain                                                                                                           d1biaa2 A:271-317                               SCOP domains
               CATH domains 1biaA01 A:1-64 'winged helix' repressor DNA binding domain      1biaA02 A:65-270 Bira Bifunctional Protein; Domain          2                                                                                                                                                 1biaA03 A:271-317                               CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
     Sec.struct. author (1) ...hhhhhhhhhhhh......hhhhhhhh...hhhhhhhhhhhhhh..eeeeee.eeeee.......hhhhhhhhh...eeeee....hhhhhhhhh......eeeeee......---------....eeeeeeeeeee..-....hhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhh----hhhhhhhhhhhhhh-----------hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..............eeeeeee..eeeeeeeeeee..eeeeeee..eeeee...eeeee Sec.struct. author (1)
     Sec.struct. author (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------eeee-eeeeee-eeeeeeeeeee-------eeeeeeeeeee----------------------------------------------------------------------------------------------------------- Sec.struct. author (2)
                 SAPs(SNPs) ------------------------------------------------------------A--------E------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------BPL_LPL_CATALYTIC  PDB: A:66-254 UniProt: 66-254                                                                                                                                             --------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1bia A   1 MKDNTVPLKLIALLANGEFHSGEQLGETLGMSRAAINKHIQTLRDWGVDVFTVPGKGYSLPEPIQLLNAKQILGQLDGGSVAVLPVIDSTNQYLLDRIGELKSGDACIAEYQQAG---------SPFGANLYLSMFWRLEQ-PAAAIGLSLVIGIVMAEVLRKLGADKVRVKWPNDLYLQDRKLAGILVELTG----AAQIVIGAGINMAM-----------WITLQEAGINLDRNTLAAMLIRELRAALELFEQEGLAPYLSRWEKLDNFINRPVKLIIGDKEIFGISRGIDKQGALLLEQDGIIKPWMGGEISLR 317
                                    10        20        30        40        50        60        70        80        90       100       110    |    -    |  130       140| |    150       160       170       180       190  |    200       210|        -  |    230       240       250       260       270       280       290       300       310       
                                                                                                                                            115       125             141 |                                               193  198          211         223                                                                                              
                                                                                                                                                                        143

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 '\|'

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

Asymmetric/Biological Unit(hide GO term definitions)

Chain A (BIRA_ECOLI | P06709)

molecular function
	GO:0005524	ATP binding	Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
	GO:0003677	DNA binding	Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
	GO:0004077	biotin-[acetyl-CoA-carboxylase] ligase activity	Catalysis of the reaction: ATP + biotin + apo-(acetyl-CoA:carbon-dioxide ligase (ADP forming)) = AMP + diphosphate + (acetyl-CoA:carbon-dioxide ligase (ADP forming)).
	GO:0016874	ligase activity	Catalysis of the joining of two substances, or two groups within a single molecule, with the concomitant hydrolysis of the diphosphate bond in ATP or a similar triphosphate.
	GO:0000166	nucleotide binding	Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
biological process
	GO:0009102	biotin biosynthetic process	The chemical reactions and pathways resulting in the formation of biotin, cis-tetrahydro-2-oxothieno(3,4-d)imidazoline-4-valeric acid.
	GO:0006464	cellular protein modification process	The covalent alteration of one or more amino acids occurring in proteins, peptides and nascent polypeptides (co-translational, post-translational modifications) occurring at the level of an individual cell. Includes the modification of charged tRNAs that are destined to occur in a protein (pre-translation modification).
	GO:0009305	protein biotinylation	The addition of biotin (vitamin B7 / vitamin H) to a protein amino acid.
	GO:0006355	regulation of transcription, DNA-templated	Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
	GO:0006351	transcription, DNA-templated	The cellular synthesis of RNA on a template of DNA.

Asymmetric/Biological Unit
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	Cis Peptide Bonds
		Trp A:173 - Pro A:174	[ RasMol ]

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	1bia
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	6.3.4.15
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	BIRA_ECOLI \| P06709	:	1bib 1hxd 1k67 2ewn 4wf2

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Cis Peptide Bonds (1, 1)

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