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Title :   RECOMBINANT RABBIT SKELETAL CALSEQUESTRIN-MPD COMPLEX

Authors :   E. J. Sanchez, K. M. Lewis, M. S. Nissen, G. R. Munske, C. Kang

Date :   22 Nov 11 (Deposition) - 21 Dec 11 (Release) - 21 Mar 12 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.74

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

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

Reference :   E. J. Sanchez, K. M. Lewis, G. R. Munske, M. S. Nissen, C. Kang
Glycosylation Of Skeletal Calsequestrin: Implications For Its Function.
J. Biol. Chem. V. 287 3042 2012
PubMed-ID: 22170046 | Reference-DOI: 10.1074/JBC.M111.326363

Molecule 1 - CALSEQUESTRIN-1
	Chains	:	A
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Taxid	:	562
	Gene	:	CASQ1
	Organism Common	:	RABBIT
	Organism Scientific	:	ORYCTOLAGUS CUNICULUS
	Organism Taxid	:	9986
	Synonym	:	ASPARTACTIN, CALSEQUESTRIN, SKELETAL MUSCLE ISOFORM, LAMININ-BINDING PROTEIN

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

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (4, 9)

No.	Name	Count	Type	Full Name
1	CA	4	Ligand/Ion	CALCIUM ION
2	MPD	3	Ligand/Ion	(4S)-2-METHYL-2,4-PENTANEDIOL
3	MRD	1	Ligand/Ion	(4R)-2-METHYLPENTANE-2,4-DIOL
4	NA	1	Ligand/Ion	SODIUM ION

Biological Unit 1 (2, 8)

No.	Name	Count	Type	Full Name
1	CA	-1	Ligand/Ion	CALCIUM ION
2	MPD	6	Ligand/Ion	(4S)-2-METHYL-2,4-PENTANEDIOL
3	MRD	2	Ligand/Ion	(4R)-2-METHYLPENTANE-2,4-DIOL
4	NA	-1	Ligand/Ion	SODIUM ION

Asymmetric Unit (9, 9)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	PHE A:6 , PRO A:7 , TRP A:242 , TYR A:298 , TRP A:299	BINDING SITE FOR RESIDUE MPD A 368
2	AC2	SOFTWARE	GLN A:63 , LEU A:294 , LEU A:295 , HOH A:462 , HOH A:493	BINDING SITE FOR RESIDUE MRD A 369
3	AC3	SOFTWARE	ASN A:279 , GLU A:344 , HOH A:413	BINDING SITE FOR RESIDUE MPD A 370
4	AC4	SOFTWARE	VAL A:314 , ASN A:316 , ASP A:321 , VAL A:346 , GLY A:349 , GLU A:350	BINDING SITE FOR RESIDUE MPD A 371
5	AC5	SOFTWARE	ASN A:17 , VAL A:18 , LEU A:74 , ASP A:80 , HOH A:490	BINDING SITE FOR RESIDUE CA A 372
6	AC6	SOFTWARE	GLU A:199 , THR A:229 , THR A:277 , HOH A:756	BINDING SITE FOR RESIDUE CA A 373
7	AC7	SOFTWARE	ASP A:210 , PRO A:212 , GLU A:217 , HOH A:391	BINDING SITE FOR RESIDUE CA A 374
8	AC8	SOFTWARE	THR A:189 , HOH A:474 , HOH A:565 , HOH A:684 , HOH A:801	BINDING SITE FOR RESIDUE CA A 375
9	AC9	SOFTWARE	PRO A:172 , HOH A:629 , HOH A:771	BINDING SITE FOR RESIDUE NA A 376

(no "SS Bond" information available for 3US3)

Asymmetric Unit

No.	Residues
1	His A:171	-	Pro A:172
2	Lys A:211	-	Pro A:212

(no "SAP(SNP)/Variant" information available for 3US3)

Asymmetric Unit (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	CALSEQUESTRIN_1	PS00863	Calsequestrin signature 1.	CASQ1_RABIT	29-43	1	A:1-15
2	CALSEQUESTRIN_2	PS00864	Calsequestrin signature 2.	CASQ1_RABIT	366-385	1	A:338-353

Biological Unit 1 (2, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	CALSEQUESTRIN_1	PS00863	Calsequestrin signature 1.	CASQ1_RABIT	29-43	2	A:1-15
2	CALSEQUESTRIN_2	PS00864	Calsequestrin signature 2.	CASQ1_RABIT	366-385	2	A:338-353

(no "Exon" information available for 3US3)

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:353
 aligned with CASQ1_RABIT | P07221 from UniProtKB/Swiss-Prot  Length:395

    Alignment length:353
                                    38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338       348       358       368       378   
          CASQ1_RABIT    29 EEGLDFPEYDGVDRVINVNAKNYKNVFKKYEVLALLYHEPPEDDKASQRQFEMEELILELAAQVLEDKGVGFGLVDSEKDAAVAKKLGLTEEDSIYVFKEDEVIEYDGEFSADTLVEFLLDVLEDPVELIEGERELQAFENIEDEIKLIGYFKNKDSEHYKAFKEAAEEFHPYIPFFATFDSKVAKKLTLKLNEIDFYEAFMEEPVTIPDKPNSEEEIVNFVEEHRRSTLRKLKPESMYETWEDDMDGIHIVAFAEEADPDGYEFLEILKSVAQDNTDNPDLSIIWIDPDDFPLLVPYWEKTFDIDLSAPQIGVVNVTDADSVWMEMDDEEDLPSAEELEDWLEDVLEGEINT 381
               SCOP domains d3us3a1 A:1-126 Calsequestrin                                                                                                 d3us3a2 A:127-228 Calsequestrin                                                                       d3us3a3 A:229-353 Calsequestrin                                                                                               SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...............ee....hhhhhhhhh.eeeeeee.....hhhhhhhhhhhhhhhhhhhhhhh...eeeeeee...hhhhhhhhh.....eeeeee..eeee.....hhhhhhhhhhhhhh..eee..hhhhhhhhhhh....eeeee.....hhhhhhhhhhhhhhh....eeee.hhhhhhhhh.....eeee.......ee......hhhhhhhhhhhh....eee.hhhhhhhhhhh....eeeeee....hhhhhhhhhhhhhhhhhh.......eeeehhhhh..hhhhhhhhhh......eeeeee.....eee..........hhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE CALSEQUESTRIN_1----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------CALSEQUESTRIN_2  PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3us3 A   1 EEGLDFPEYDGVDRVINVNAKNYKNVFKKYEVLALLYHEPPEDDKASQRQFEMEELILELAAQVLEDKGVGFGLVDSEKDAAVAKKLGLTEEDSIYVFKEDEVIEYDGEFSADTLVEFLLDVLEDPVELIEGERELQAFENIEDEIKLIGYFKNKDSEHYKAFKEAAEEFHPYIPFFATFDSKVAKKLTLKLNEIDFYEAFMEEPVTIPDKPNSEEEIVNFVEEHRRSTLRKLKPESMYETWEDDMDGIHIVAFAEEADPDGYEFLEILKSVAQDNTDNPDLSIIWIDPDDFPLLVPYWEKTFDIDLSAPQIGVVNVTDADSVWMEMDDEEDLPSAEELEDWLEDVLEGEINT 353
                                    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

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: Thioredoxin fold (994)

Superfamily: Thioredoxin-like (992)

Family: Calsequestrin (3)

Protein domain: Calsequestrin (3)

Rabbit (Oryctolagus cuniculus) [TaxId: 9986] (3)

1a	d3us3a1	A:1-126
1b	d3us3a2	A:127-228
1c	d3us3a3	A:229-353

(no "CATH Domain" information available for 3US3)

(no "Pfam Domain" information available for 3US3)

Asymmetric Unit(hide GO term definitions)

Chain A (CASQ1_RABIT | P07221)

molecular function
	GO:0005509	calcium ion binding	Interacting selectively and non-covalently with calcium ions (Ca2+).
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
biological process
	GO:0051258	protein polymerization	The process of creating protein polymers, compounds composed of a large number of component monomers; polymeric proteins may be made up of different or identical monomers. Polymerization occurs by the addition of extra monomers to an existing poly- or oligomeric protein.
	GO:0014809	regulation of skeletal muscle contraction by regulation of release of sequestered calcium ion	Any process that modulates the frequency, rate or extent of skeletal muscle contraction via the regulation of the release of sequestered calcium ion by sarcoplasmic reticulum into cytosol. The sarcoplasmic reticulum is the endoplasmic reticulum of striated muscle, specialised for the sequestration of calcium ions that are released upon receipt of a signal relayed by the T tubules from the neuromuscular junction.
	GO:0045214	sarcomere organization	The myofibril assembly process that results in the organization of muscle actomyosin into sarcomeres. The sarcomere is the repeating unit of a myofibril in a muscle cell, composed of an array of overlapping thick and thin filaments between two adjacent Z discs.
cellular component
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
	GO:0005759	mitochondrial matrix	The gel-like material, with considerable fine structure, that lies in the matrix space, or lumen, of a mitochondrion. It contains the enzymes of the tricarboxylic acid cycle and, in some organisms, the enzymes concerned with fatty acid oxidation.
	GO:0005739	mitochondrion	A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.
	GO:0016529	sarcoplasmic reticulum	A fine reticular network of membrane-limited elements that pervades the sarcoplasm of a muscle cell; continuous over large portions of the cell and with the nuclear envelope; that part of the endoplasmic reticulum specialized for calcium release, uptake and storage.
	GO:0033018	sarcoplasmic reticulum lumen	The volume enclosed by the membranes of the sarcoplasmic reticulum.
	GO:0033017	sarcoplasmic reticulum membrane	The lipid bilayer surrounding the sarcoplasmic reticulum.

Asymmetric Unit
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	Ligands, Modified Residues, Ions
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	Cis Peptide Bonds
		His A:171 - Pro A:172	[ RasMol ]
		Lys A:211 - Pro A:212	[ RasMol ]

Biological Unit
	Complete Structure
		Biological Unit 1	[ Jena3D ]

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	3us3
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	CASQ1_RABIT \| P07221	:	1a8y 3trp 3trq 3v1w

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (4, 9)

Sites (9, 9)

SS Bonds (0, 0)

Cis Peptide Bonds (2, 2)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

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Exons (0, 0)

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