SPTB

Available structures

Ortholog search: PDBe RCSB

List of PDB id codes
1S35, 3EDU, 3F57, 3KBT, 3KBU, 3LBX

Identifiers

Aliases

SPTB, EL3, HS2, HSPTB1, SPH2, spectrin beta, erythrocytic

External IDs

OMIM: 182870 MGI: 98387 HomoloGene: 295 GeneCards: SPTB

Gene location (Human)

Chr.	Chromosome 14 (human)^[1]

Band	14q23.3	Start	64,746,283 bp^[1]
Band	14q23.3	End	64,879,907 bp^[1]

Gene location (Mouse)

Chr.	Chromosome 12 (mouse)^[2]

Band	12 C3\|12 33.73 cM	Start	76,627,262 bp^[2]
Band	12 C3\|12 33.73 cM	End	76,757,321 bp^[2]

RNA expression pattern

Bgee

Human

Mouse (ortholog)

Top expressed in

gastrocnemius muscle

tibialis anterior muscle

triceps brachii muscle

cerebellar hemisphere

left ventricle

thoracic diaphragm

quadriceps femoris muscle

vastus lateralis muscle

deltoid muscle

biceps brachii

Top expressed in

cerebellar cortex

ankle

superior frontal gyrus

skeletal muscle tissue

pontine nuclei

triceps brachii muscle

temporal muscle

cerebellar vermis

nucleus accumbens

olfactory tubercle

More reference expression data

BioGPS


More reference expression data

Gene ontology
Molecular function	actin filament binding structural constituent of cytoskeleton protein binding ankyrin binding actin binding
Cellular component	spectrin intrinsic component of the cytoplasmic side of the plasma membrane cell surface cell cortex actin cytoskeleton spectrin-associated cytoskeleton cytoskeleton cytoplasm Golgi apparatus cytosol protein-containing complex
Biological process	MAPK cascade axon guidance endoplasmic reticulum to Golgi vesicle-mediated transport actin filament capping cytoskeleton organization
Sources:Amigo / QuickGO

Orthologs

Species

Human

Mouse

Entrez


6710


20741

Ensembl


ENSG00000070182


ENSMUSG00000021061

UniProt


P11277


P15508

RefSeq (mRNA)


NM_000347 NM_001024858 NM_001355436 NM_001355437


NM_013675

RefSeq (protein)


NP_001020029 NP_001342365 NP_001342366


n/a

Location (UCSC)

Chr 14: 64.75 – 64.88 Mb

Chr 12: 76.63 – 76.76 Mb

PubMed search

^[3]

^[4]

Wikidata

View/Edit Human

View/Edit Mouse

Spectrin beta chain, erythrocyte is a protein that in humans is encoded by the SPTB gene.^[5]^[6]

References

Bennett V, Baines AJ (July 2001). "Spectrin and ankyrin-based pathways: metazoan inventions for integrating cells into tissues". Physiological Reviews. 81 (3): 1353–92. doi:10.1152/physrev.2001.81.3.1353. PMID 11427698. S2CID 15307181.
Kanzaki A, Rabodonirina M, Yawata Y, Wilmotte R, Wada H, Ata K, Yamada O, Akatsuka J, Iyori H, Horiguchi M (October 1992). "A deletional frameshift mutation of the beta-spectrin gene associated with elliptocytosis in spectrin Tokyo (beta 220/216)". Blood. 80 (8): 2115–21. doi:10.1182/blood.V80.8.2115.2115. PMID 1391962.
Speicher DW, Weglarz L, DeSilva TM (July 1992). "Properties of human red cell spectrin heterodimer (side-to-side) assembly and identification of an essential nucleation site". The Journal of Biological Chemistry. 267 (21): 14775–82. doi:10.1016/S0021-9258(18)42107-2. PMID 1634521.
Gallagher PG, Tse WT, Costa F, Scarpa A, Boivin P, Delaunay J, Forget BG (August 1991). "A splice site mutation of the beta-spectrin gene causing exon skipping in hereditary elliptocytosis associated with a truncated beta-spectrin chain". The Journal of Biological Chemistry. 266 (23): 15154–9. doi:10.1016/S0021-9258(18)98598-4. PMID 1840591.
Tse WT, Lecomte MC, Costa FF, Garbarz M, Feo C, Boivin P, Dhermy D, Forget BG (September 1990). "Point mutation in the beta-spectrin gene associated with alpha I/74 hereditary elliptocytosis. Implications for the mechanism of spectrin dimer self-association". The Journal of Clinical Investigation. 86 (3): 909–16. doi:10.1172/JCI114792. PMC 296810. PMID 1975598.
Yoon SH, Kentros CG, Prchal JT (July 1990). "Identification of an unusual deletion within homologous repeats of human reticulocyte beta-spectrin and probable peptide polymorphism". Gene. 91 (2): 297–302. doi:10.1016/0378-1119(90)90104-Y. PMID 1976574.
Garbarz M, Tse WT, Gallagher PG, Picat C, Lecomte MC, Galibert F, Dhermy D, Forget BG (July 1991). "Spectrin Rouen (beta 220-218), a novel shortened beta-chain variant in a kindred with hereditary elliptocytosis. Characterization of the molecular defect as exon skipping due to a splice site mutation". The Journal of Clinical Investigation. 88 (1): 76–81. doi:10.1172/JCI115307. PMC 296005. PMID 2056132.
Tse WT, Gallagher PG, Pothier B, Costa FF, Scarpa A, Delaunay J, Forget BG (July 1991). "An insertional frameshift mutation of the beta-spectrin gene associated with elliptocytosis in spectrin nice (beta 220/216)". Blood. 78 (2): 517–23. doi:10.1182/blood.V78.2.517.517. PMID 2070088.
Winkelmann JC, Chang JG, Tse WT, Scarpa AL, Marchesi VT, Forget BG (July 1990). "Full-length sequence of the cDNA for human erythroid beta-spectrin". The Journal of Biological Chemistry. 265 (20): 11827–32. doi:10.1016/S0021-9258(19)38473-X. PMID 2195026.
Winkelmann JC, Costa FF, Linzie BL, Forget BG (November 1990). "Beta spectrin in human skeletal muscle. Tissue-specific differential processing of 3' beta spectrin pre-mRNA generates a beta spectrin isoform with a unique carboxyl terminus". The Journal of Biological Chemistry. 265 (33): 20449–54. doi:10.1016/S0021-9258(17)30525-2. PMID 2243099.
Coetzer T, Palek J, Lawler J, Liu SC, Jarolim P, Lahav M, Prchal JT, Wang W, Alter BP, Schewitz G (June 1990). "Structural and functional heterogeneity of alpha spectrin mutations involving the spectrin heterodimer self-association site: relationships to hematologic expression of homozygous hereditary elliptocytosis and hereditary pyropoikilocytosis". Blood. 75 (11): 2235–44. doi:10.1182/blood.V75.11.2235.2235. PMID 2346784.
Winkelmann JC, Leto TL, Watkins PC, Eddy R, Shows TB, Linnenbach AJ, Sahr KE, Kathuria N, Marchesi VT, Forget BG (July 1988). "Molecular cloning of the cDNA for human erythrocyte beta-spectrin". Blood. 72 (1): 328–34. doi:10.1182/blood.V72.1.328.328. PMID 3390609.
Prchal JT, Morley BJ, Yoon SH, Coetzer TL, Palek J, Conboy JG, Kan YW (November 1987). "Isolation and characterization of cDNA clones for human erythrocyte beta-spectrin". Proceedings of the National Academy of Sciences of the United States of America. 84 (21): 7468–72. Bibcode:1987PNAS...84.7468P. doi:10.1073/pnas.84.21.7468. PMC 299317. PMID 3478706.
Pothier B, Morlé L, Alloisio N, Ducluzeau MT, Caldani C, Féo C, Garbarz M, Chaveroche I, Dhermy D, Lecomte MC (June 1987). "Spectrin Nice (beta 220/216): a shortened beta-chain variant associated with an increase of the alpha I/74 fragment in a case of elliptocytosis". Blood. 69 (6): 1759–65. doi:10.1182/blood.V69.6.1759.1759. PMID 3580577.
Wolfe LC, John KM, Falcone JC, Byrne AM, Lux SE (November 1982). "A genetic defect in the binding of protein 4.1 to spectrin in a kindred with hereditary spherocytosis". The New England Journal of Medicine. 307 (22): 1367–74. doi:10.1056/NEJM198211253072203. PMID 6215583.
Speicher DW, Marchesi VT (1984). "Erythrocyte spectrin is comprised of many homologous triple helical segments". Nature. 311 (5982): 177–80. doi:10.1038/311177a0. PMID 6472478. S2CID 4340715.
Carlier MF, Simon C, Cassoly R, Pradel LA (April 1984). "Interaction between microtubule-associated protein tau and spectrin". Biochimie. 66 (4): 305–11. doi:10.1016/0300-9084(84)90007-5. PMID 6743699.
Goodman SR, Shiffer KA, Casoria LA, Eyster ME (September 1982). "Identification of the molecular defect in the erythrocyte membrane skeleton of some kindreds with hereditary spherocytosis". Blood. 60 (3): 772–84. doi:10.1182/blood.V60.3.772.772. PMID 7104494.
Schischmanoff PO, Winardi R, Discher DE, Parra MK, Bicknese SE, Witkowska HE, Conboy JG, Mohandas N (September 1995). "Defining of the minimal domain of protein 4.1 involved in spectrin-actin binding". The Journal of Biological Chemistry. 270 (36): 21243–50. doi:10.1074/jbc.270.36.21243. PMID 7673158.

v t e PDB gallery
1s35: Crystal Structure of Repeats 8 and 9 of Human Erythroid Spectrin

Proteins of the cytoskeleton

Human

Microfilaments
and ABPs

Myofilament

Actins	A1 A2 B C1 G1 G2
Myosins	I MYO1A MYO1B MYO1C MYO1D MYO1E MYO1F MYO1G MYO1H) II MYH1 MYH2 MYH3 MYH4 MYH6 MYH7 MYH7B MYH8 MYH9 MYH10 MYH11 MYH13 MYH14 MYH15 MYH16 III MYO3A MYO3B V MYO5A MYO5B MYO5C VI MYO6 VII MYO7A MYO7B IX MYO9A MYO9B X MYO10 XV MYO15A XVIII MYO18A MYO18B LC MYL1 MYL2 MYL3 MYL4 MYL5 MYL6 MYL6B MYL7 MYL9 MYLIP MYLK MYLK2 MYLL1
Other	Tropomodulin 1 2 3 4 Troponin T 1 2 3 C 1 2 I 1 2 3 Tropomyosin 1 2 3 4 Actinin 1 2 3 4 Arp2/3 complex actin depolymerizing factors Cofilin 1 2 Destrin Gelsolin Profilin 1 2 Titin

Other

Intermediate
filaments

Type 1/2
(Keratin,
Cytokeratin)

Epithelial keratins (soft alpha-keratins)	type I/chromosome 17 9 10 12 13 14 15 16 17 19 20 chromosome 12 18 none 21 type II/chromosome 12 1 2A 3 4 5 6A 6B 6C 7 8
Hair keratins (hard alpha-keratins)	type I/chromosome 17 31 32 33A 33B 34 35 36 37 38 type II/chromosome 12 81 82 83 84 85 86
Ungrouped alpha	chromosome 17 23 24 25 26 27 28 39 40 chromosome 12 71 72 73 74 75 76 77 78 79 80
Not alpha	Beta-keratin

Type 3

Type 4

Type 5

Microtubules
and MAPs

Tubulins	TUBA1A TUBA1B TUBA1C TUBA3C TUBA3D TUBA3E TUBA4A TUBA8 TUBB TUBB1 TUBB2A TUBB2B TUBB2C TUBB3 TUBB4 TUBB4Q TUBB6 TUBB8 TUBG1 TUBG2 TUBGCP2 TUBGCP3 TUBGCP4 TUBGCP5 TUBGCP6 TUBD1 TUBE1
MAPs	EB1 EB2 EB3 MAP1A MAP1B MAP2 MAP4
Kinesins	KIF1A KIF1B KIF2A KIF2C KIF3B KIF3C KIF4A KIF4B KIF5A KIF5B KIF5C KIF6 KIF7 KIF9 KIF11 KIF12 KIF13A KIF13B KIF14 KIF15 KIF16B KIF17 KIF18A KIF18B KIF19 KIF20A KIF20B KIF21A KIF21B KIF22 KIF23 KIF24 KIF25 KIF26A KIF26B KIF27 KIFC1 KIFC2 KIFC3
Dyneins	axonemal: DNAH1 DNAH2 DNAH3 DNAH5 DNAH6 DNAH7 DNAH8 DNAH9 DNAH10 DNAH11 DNAH12 DNAH13 DNAH14 DNAH17 DNAI1 DNAI2 DNALI1 DNAL1 DNAL4 cytoplasmic: DYNC1H1 DYNC2H1 DYNC1I1 DYNC1I2 DYNC1LI1 DYNC1LI2 DYNC2LI1 DYNLL1 DYNLL2 DYNLRB1 DYNLRB2 DYNLT1 DYNLT3
Microtubule organising proteins	CAMSAP1 CAMSAP2 CAMSAP3 Centrin 1 Centrin 2 Centrin 3 PCM1
Microtubule severing proteins	Katanin Spastin
Other	Tau protein Dynactin DCTN1 Stathmin Tektin TEKT1 TEKT2 TEKT3 TEKT4 TEKT5 Dynamin DNM1 DNM2 DNM3

Catenins

Membrane

Dystrophin
- Dystroglycan
Utrophin
Ankyrin
- ANK1
- ANK2
- ANK3
Spectrin
- SPTA1
- SPTAN1
- SPTB
- SPTBN1
- SPTBN2
- SPTBN4
- SPTBN5

Other

Plakins
- Corneodesmosin
- Desmoplakin
- Dystonin
- Envoplakin
- MACF1
- Periplakin
- Plectin
Talin
- TLN1
Vinculin
Plakophilin
- PKP1
- PKP2
ACF7
PLEKHA7

Nonhuman

See also: cytoskeletal defects

References

Further reading