1UZ2 - JenaLib

Title :   THE CYS121SER MUTANT OF BETA-LACTOGLOBULIN

Authors :   I. Mcnae, D. Jayat, T. Haertle, C. Holt, L. Sawyer

Date :   03 Mar 04 (Deposition) - 20 May 04 (Release) - 19 Feb 14 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.95

Chains :   Asym. Unit : X
Biol. Unit 1: X  (2x)

Keywords :   Lipocalin, Beta-Barrel, Transport Protein, Milk, Whey Retinol-Binding, Allergen (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   D. Jayat, J. -C. Gaudin, J. Chobert, T. Burova, C. Holt, I. Mcnae, L. Sawyer, T. Haertle
A Recombinant C121S Mutant Of Bovine Beta-Lactoglobulin Is More Susceptible To Peptic Digestion And To Denaturation By Reducing Agents And Heating
Biochemistry V. 43 6312 2004
PubMed-ID: 15147215 | Reference-DOI: 10.1021/BI0362469
(for further references see the PDB file header)

Compounds

Molecule 1 - BETA-LACTOGLOBULIN
	Chains	:	X
	Engineered	:	YES
	Expression System	:	PICHIA PASTORIS
	Expression System Taxid	:	4922
	Expression System Vector	:	PGAPZALPHA
	Mutation	:	YES
	Organism Common	:	CATTLE
	Organism Scientific	:	BOS TAURUS
	Organism Taxid	:	9913
	Other Details	:	BETA-LACTOGLOBULIN IS NORMALLY OBTAINED FROM MILK. MATURE CODING SEQUENCE
	Synonym	:	BETA-LG, ALLERGEN BOS D 5
	Variant	:	A VARIANT

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (0, 0)

Sites (0, 0)

SS Bonds (1, 1)

Cis Peptide Bonds (2, 2)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (5, 5)

Asymmetric Unit (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	---	---	X	E	45	Q
2	UniProt	VAR_LACB_BOVIN_002 *	I	72	L	LACB_BOVIN	---	---	X	I	56	L
3	UniProt	VAR_LACB_BOVIN_003 *	Q	75	H	LACB_BOVIN	---	---	X	Q	59	H
4	UniProt	VAR_LACB_BOVIN_004 *	G	80	D	LACB_BOVIN	---	---	X	D	64	D
5	UniProt	VAR_LACB_BOVIN_005 *	A	134	V	LACB_BOVIN	---	---	X	V	118	V
	* ID not provided by source

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

Biological Unit 1 (5, 10)

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

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

PROSITE Motifs (1, 1)

Exons (0, 0)

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
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Chain X from PDB  Type:PROTEIN  Length:158
 aligned with LACB_BOVIN | P02754 from UniProtKB/Swiss-Prot  Length:178

    Alignment length:158
                                    26        36        46        56        66        76        86        96       106       116       126       136       146       156       166        
           LACB_BOVIN    17 LIVTQTMKGLDIQKVAGTWYSLAMAASDISLLDAQSAPLRVYVEELKPTPEGDLEILLQKWENGECAQKKIIAEKTKIPAVFKIDALNENKVLVLDTDYKKYLLFCMENSAEPEQSLACQCLVRTPEVDDEALEKFDKALKALPMHIRLSFNPTQLEE 174
               SCOP domains d1uz2x_ X: beta-Lactoglobulin                                                                                                                                  SCOP domains
               CATH domains 1uz2X00 X:1-158  [code=2.40.128.20, no name defined]                                                                                                           CATH domains
               Pfam domains ---------------Lipocalin-1uz2X01 X:16-157                                                                                                                    - Pfam domains
         Sec.struct. author .hhhhh....hhhhhhee.eeeeeee.hhhhh.........eeeeeee.....eeeeeeeee..eeeeeeeeeee.....eeeee...eeeeeeeee....eeeeeeee.......eeeeeee......hhhhhhhhhhhhhh...eeee........ Sec.struct. author
                 SAPs(SNPs) --------------------------------------------Q----------L--H----D-----------------------------------------------------V---------------------------------------- SAPs(SNPs)
                    PROSITE --------LIPOCALIN     ---------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1uz2 X   1 LIVTQTMKGLDIQKVAGTWYSLAMAASDISLLDAQSAPLRVYVEELKPTPEGDLEILLQKWENDECAQKKIIAEKTKIPAVFKIDALNENKVLVLDTDYKKYLLFCMENSAEPEQSLVCQSLVRTPEVDDEALEKFDKALKALPMHIRLSFNPTQLEE 158
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150

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	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)

CATH Domains (1, 1)

Pfam Domains (1, 1)

Gene Ontology (4, 4)

Asymmetric Unit(hide GO term definitions)

Chain X (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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	Cis Peptide Bonds
		Gln X:155 - Leu X:156	[ RasMol ]
		Thr X:154 - Gln X:155	[ RasMol ]

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Related Entries

Entries Sharing at Least One Protein Chain (UniProt ID)

Related Entries Specified in the PDB File

1b0o	BOVINE BETA-LACTOGLOBULIN COMPLEXED WITH PALMITATE, LATTICE Z
1b8e	HIGH RESOLUTION CRYSTAL STRUCTURE OF THE BOVINE BETA-LACTOGLOBULIN (ISOFORMS A AND B ) IN ORTHOROMBIC SPACE GROUP
1beb	BOVINE BETA-LACTOGLOBULIN, LATTICE X
1bso	12-BROMODODECANOIC ACID BINDS INSIDE THE CALYX OF BOVINE BETA-LACTOGLOBULIN
1bsq	STRUCTURAL AND FUNCTIONAL CONSEQUENCES OF POINT MUTATIONS OF VARIANTS A AND B OF BOVINE BETA-LACTOGLOBULIN
1bsy	STRUCTURAL BASIS OF THE TANFORD TRANSITION OF BOVINE BETA-LACTOGLOBULIN FROM CRYSTAL STRUCTURES AT THREE PH VALUES; PH 7.1
1cj5	BOVINE BETA-LACTOGLOBULIN A
1dv9	STRUCTURAL CHANGES ACCOMPANYING PH-INDUCED DISSOCIATION OF THE B-LACTOGLOBULIN DIMER
1gx8	BOVINE BETA-LACTOGLOBULIN COMPLEXED WITH RETINOL, TRIGONAL LATTICE Z
1gx9	BOVINE BETA-LACTOGLOBULIN COMPLEXED WITH RETINOIC ACID, TRIGONAL LATTICE Z
1gxa	BOVINE BETA-LACTOGLOBULIN COMPLEXED WITH RETINOL AND PALMITIC ACID, TRIGONAL LATTICE Z
1mfh	THE STRUCTURE OF BOVINE B-LACTOGLOBULIN A IN CRYSTALS GROWNAT VERY LOW IONIC STRENGTH
1qg5	HIGH RESOLUTION CRYSTAL STRUCTURE OF THE BOVINE BETA-LACTOGLOBULIN (ISOFORM A)
2blg	STRUCTURAL BASIS OF THE TANFORD TRANSITION OF BOVINE BETA-LACTOGLOBULIN FROM CRYSTAL STRUCTURES AT THREE PH VALUES; PH 8.2
3blg	STRUCTURAL BASIS OF THE TANFORD TRANSITION OF BOVINE BETA-LACTOGLOBULIN FROM CRYSTAL STRUCTURES AT THREE PH VALUES; PH 6.2

Description