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Description

Title :   X-RAY STRUCTURE OF BIOTIN BINDING PROTEIN FROM CHICKEN

Authors :   V. P. Hytonen, E. A. Niskanen, J. A. E. Maatta, J. Huuskonen, K. J. Helttunen, K. K. Halling, J. P. Slotte, H. R. Nordlund, K. Rissanen, M. S. Johnson, T. A. Salminen, M. S. Kulomaa, O. H. Laitinen, T. T. Airenne

Date :   19 Sep 05 (Deposition) - 20 Feb 07 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.10

Chains :   Asym. Unit : A
Biol. Unit 1: A  (4x)

Keywords :   Biotin Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   V. P. Hytonen, J. A. E. Maatta, E. A. Niskanen, J. Huuskonen, K. J. Helttunen, K. K. Halling, H. R. Nordlund, K. Rissanen, M. S. Johnson, T. A. Salminen, M. S. Kulomaa, O. H. Laitinen, T. T. Airenne
Structure And Characterization Of A Novel Chicken Biotin-Binding Protein A (Bbp-A).
Bmc Struct. Biol. V. 7 8 2007
PubMed-ID: 17343730 | Reference-DOI: 10.1186/1472-6807-7-8

Compounds

Molecule 1 - BIOTIN BINDING PROTEIN A
	Chains	:	A
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Taxid	:	562
	Organism Common	:	CHICKEN
	Organism Scientific	:	GALLUS GALLUS
	Organism Taxid	:	9031

Structural Features

Chains, Units

		1
Asymmetric Unit	:	A
Biological Unit 1 (4x)	:	A

Summary Information (see also Sequences/Alignments below)

Ligands, Modified Residues, Ions (2, 2)

Asymmetric Unit (2, 2)

No.	Name	Count	Type	Full Name
1	BTN	1	Ligand/Ion	BIOTIN
2	GOL	1	Ligand/Ion	GLYCEROL

Biological Unit 1 (2, 8)

No.	Name	Count	Type	Full Name
1	BTN	4	Ligand/Ion	BIOTIN
2	GOL	4	Ligand/Ion	GLYCEROL

Sites (2, 2)

Asymmetric Unit (2, 2)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ASN A:12 , LEU A:14 , SER A:16 , TYR A:33 , THR A:35 , VAL A:37 , THR A:38 , ALA A:39 , TRP A:71 , ALA A:74 , SER A:76 , THR A:78 , TRP A:98 , GLU A:102 , TRP A:111 , ASN A:119	BINDING SITE FOR RESIDUE BTN A1126
2	AC2	SOFTWARE	ASP A:24 , ALA A:26 , THR A:28 , LYS A:50	BINDING SITE FOR RESIDUE GOL A1127

SS Bonds (1, 1)

Asymmetric Unit

No.	Residues
1	A:4	-	A:84

Cis Peptide Bonds (0, 0)

(no "Cis Peptide Bond" information available for 2C1Q)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

(no "SAP(SNP)/Variant" information available for 2C1Q)

PROSITE Motifs (0, 0)

(no "PROSITE Motif" information available for 2C1Q)

Exons (0, 0)

(no "Exon" information available for 2C1Q)

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:123
                                                                                                                                                           
               SCOP domains d2c1qa_ A: automated matches                                                                                                SCOP domains
               CATH domains 2c1qA00 A:1-125  [code=2.40.128.30, no name defined]                                                                        CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......eeeee....eeee.......eeeeeee............eeeeeee.........eeeeee......eeeeeeeeee.....eeeeeeeeee....hhhhhhh.eeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------- Transcript
                 2c1q A   1 TRKCELQGLWRNELGSNMTISALDVAGTFSGSYQTAVTATNKQILVSPLKGAQQPPKGQQPTFGFTVQWQFADSTTVFVGQCFVDRRGKEMLEMAWLLREEVPSRKDTWKATRVGTNVFTRVK 125
                                    10        20        30        40        50     || 62        72        82        92       102       112       122   
                                                                                  56|                                                                  
                                                                                   59

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		→ 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 '\|'

Classification and Annotation

SCOP Domains (1, 1)

Asymmetric Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: All beta proteins (24004)

Fold: Streptavidin-like (225)

Superfamily: Avidin/streptavidin (197)

Family: automated matches (16)

Protein domain: automated matches (16)

Chicken (Gallus gallus) [TaxId: 9031] (2)

d2c1qa_

CATH Domains (1, 1)

Asymmetric Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Mainly Beta (13760)

Architecture: Beta Barrel (4804)

Topology: Lipocalin (526)

Homologous Superfamily: [code=2.40.128.30, no name defined] (148)

Chicken (Gallus gallus) (26)

2c1qA00

A:1-125

Pfam Domains (0, 0)

(no "Pfam Domain" information available for 2C1Q)

Gene Ontology (0, 0)

Asymmetric Unit(hide GO term definitions)

(no "Gene Ontology" information available for 2C1Q)

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Related Entries

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Related Entries Specified in the PDB File

2c1s	X-RAY STRUCTURE OF BIOTIN BINDING PROTEIN FROM CHICKEN