1DV9 - JenaLib

Title :   STRUCTURAL CHANGES ACCOMPANYING PH-INDUCED DISSOCIATION OF THE B-LACTOGLOBULIN DIMER

Authors :   S. Uhrinova, M. H. Smith, G. B. Jameson, D. Uhrin, L. Sawyer, P. N. Barlow

Date :   20 Jan 00 (Deposition) - 09 Feb 00 (Release) - 24 Feb 09 (Revision)

Method :   SOLUTION NMR

Resolution :   NOT APPLICABLE

Chains :   NMR Structure  : A  (21x)

Keywords :   Beta-Lactoglobulin, Beta-Barrel, Low Ph Structure, Triple Resonance Experiments, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   S. Uhrinova, M. H. Smith, G. B. Jameson, D. Uhrin, L. Sawyer, P. N. Barlow
Structural Changes Accompanying Ph-Induced Dissociation Of The Beta-Lactoglobulin Dimer.
Biochemistry V. 39 3565 2000
PubMed-ID: 10736155 | Reference-DOI: 10.1021/BI992629O
(for further references see the PDB file header)

Compounds

Molecule 1 - BETA-LACTOGLOBULIN
	Chains	:	A
	Engineered	:	YES
	Expression System	:	PICHIA PASTORIS
	Expression System Plasmid	:	PPIC9
	Expression System Taxid	:	4922
	Organism Common	:	CATTLE
	Organism Scientific	:	BOS TAURUS
	Organism Taxid	:	9913
	Other Details	:	SMALL PROTEIN FOUND IN THE WHEY OF MILK OF RUMINANTS AND OTHER SPECIES
	Other Details - Source	:	P.PASTORIS GS115/HIS+BLG/MUT+ CONTAINING PPIC9; PPIC9 DERIVED FROM PTTQ18BLG BY PCR
	Variant	:	A

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (0, 0)

Sites (0, 0)

SS Bonds (2, 2)

Cis Peptide Bonds (0, 0)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (5, 5)

NMR Structure (5, 5)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_LACB_BOVIN_001 *	E	61	Q	LACB_BOVIN	---	---	A	E	45	Q
2	UniProt	VAR_LACB_BOVIN_002 *	I	72	L	LACB_BOVIN	---	---	A	I	56	L
3	UniProt	VAR_LACB_BOVIN_003 *	Q	75	H	LACB_BOVIN	---	---	A	Q	59	H
4	UniProt	VAR_LACB_BOVIN_004 *	G	80	D	LACB_BOVIN	---	---	A	D	64	D
5	UniProt	VAR_LACB_BOVIN_005 *	A	134	V	LACB_BOVIN	---	---	A	V	118	V
	* ID not provided by source

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

PROSITE Motifs (1, 1)

Exons (0, 0)

Sequences/Alignments

NMR Structure

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:162
 aligned with LACB_BOVIN | P02754 from UniProtKB/Swiss-Prot  Length:178

    Alignment length:162
                                    26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176  
           LACB_BOVIN    17 LIVTQTMKGLDIQKVAGTWYSLAMAASDISLLDAQSAPLRVYVEELKPTPEGDLEILLQKWENGECAQKKIIAEKTKIPAVFKIDALNENKVLVLDTDYKKYLLFCMENSAEPEQSLACQCLVRTPEVDDEALEKFDKALKALPMHIRLSFNPTQLEEQCHI 178
               SCOP domains d1dv9a_ A: beta-Lactoglobulin                                                                                                                                      SCOP domains
               CATH domains 1dv9A00 A:1-162  [code=2.40.128.20, no name defined]                                                                                                               CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...........hhhhhee.eeeeeee...............eeeeeee.....eeeeeee......eeeeeeeee.....eee.......eeeeeee....eeeeeee.........eeeeee.....hhhhhhhhhhhhh.....eeee.hhhhhhh.... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------Q----------L--H----D-----------------------------------------------------V-------------------------------------------- SAPs(SNPs)
                    PROSITE --------LIPOCALIN     -------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1dv9 A   1 AYVTQTMKGLDIQKVAGTWYSLAMAASDISLLDAQSAPLRVYVEELKPTPEGDLEILLQKWENDECAQKKIIAEKTKIPAVFKIDALNENKVLVLDTDYKKYLLFCMENSAEPEQSLVCQCLVRTPEVDDEALEKFDKALKALPMHIRLSFNPTQLEEQCHI 162
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160

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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 (1, 1)

CATH Domains (1, 1)

Pfam Domains (0, 0)

Gene Ontology (4, 4)

NMR Structure(hide GO term definitions)

Chain A (LACB_BOVIN | P02754)

molecular function
	GO:0019841	retinol binding	Interacting selectively and non-covalently with retinol, vitamin A1, 2,6,6-trimethyl-1-(9'-hydroxy-3',7'-dimethylnona-1',3',5',7'-tetraenyl)cyclohex-1-ene, one of the three components that makes up vitamin A. Retinol is an intermediate in the vision cycle and it also plays a role in growth and differentiation.
	GO:0036094	small molecule binding	Interacting selectively and non-covalently with a small molecule, any low molecular weight, monomeric, non-encoded molecule.
biological process
	GO:0006810	transport	The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
	GO:0005576	extracellular region	The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

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