Q41560 (HS16B_WHEAT) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
16.9 kDa class I heat shock protein 2

Alternative name(s):
Heat shock protein 16.9B

Gene names

Name:

hsp16.9B

Organism

Triticum aestivum (Wheat)

Taxonomic identifier

4565 [NCBI]

Taxonomic lineage

cellular organisms › Eukaryota › Viridiplantae › Streptophyta › Streptophytina › Embryophyta › Tracheophyta › Euphyllophyta › Spermatophyta › Magnoliophyta › Liliopsida › commelinids › Poales › Poaceae › BEP clade › Pooideae › Triticeae › Triticum

Protein attributes

Sequence length	151 AA.
Sequence status	Complete.
Protein existence	Evidence at protein level

General annotation (Comments)

Subunit structure	Homododecamer composed of 2 hexameric rings, each consisting of 3 homodimers.
Subcellular location	Cytoplasm Potential.
Sequence similarities	Belongs to the small heat shock protein (HSP20) family.

Ontologies

Keywords
Biological process	Stress response
Cellular component	Cytoplasm
Technical term	3D-structure
Gene Ontology (GO)
Biological_process	protein homooligomerization Inferred from direct assay Ref.2. Source: UniProtKB response to stress Inferred from electronic annotation. Source: UniProtKB-KW
Cellular_component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Complete GO annotation...

Sequence annotation (Features)

Feature key

Position(s)

Length

Description

Graphical view

Feature identifier

Molecule processing

Chain

1 – 151

151

16.9 kDa class I heat shock protein 2

PRO_0000387466

Secondary structure

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151

Helix Strand Turn

Details...

Helix

15 – 17

3

Helix

20 – 27

8

Helix

28 – 30

3

Helix

38 – 41

4

Helix

42 – 44

3

Beta strand

46 – 50

5

Beta strand

52 – 60

9

Helix

66 – 68

3

Beta strand

69 – 74

6

Turn

75 – 77

3

Beta strand

78 – 83

6

Beta strand

95 – 98

4

Beta strand

106 – 111

6

Helix

118 – 120

3

Beta strand

122 – 126

5

Beta strand

129 – 135

7

Sequences

	Sequence		Length	Mass (Da)
	Q41560 [UniParc]. Last modified November 1, 1996. Version 1. Checksum: D12B46720CA8D7E3	FASTA	151	16,867
	10 20 30 40 50 60 MSIVRRTNVF DPFADLWADP FDTFRSIVPA ISGGGSETAA FANARMDWKE TPEAHVFKAD 70 80 90 100 110 120 LPGVKKEEVK VEVEDGNVLV VSGERTKEKE DKNDKWHRVE RSSGKFVRRF RLLEDAKVEE 130 140 150 VKAGLENGVL TVTVPKAEVK KPEVKAIQIS G

References

[1]	"Cloning and characterization of cytoplasmic LMW HSP genes from wheat." Weng J., Wang Z.F., Nguyen H.T. Submitted (FEB-1992) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [MRNA]. Strain: cv. Mustang. Tissue: Seedling.
[2]	"Crystal structure and assembly of a eukaryotic small heat shock protein." van Montfort R.L., Basha E., Friedrich K.L., Slingsby C., Vierling E. Nat. Struct. Biol. 8:1025-1030(2001) [PubMed] [Europe PMC] [Abstract] Cited for: X-RAY CRYSTALLOGRAPHY (2.7 ANGSTROMS), HOMODODECAMER.
+	Additional computationally mapped references.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ

X64618 mRNA. Translation: CAA45902.1.

PIR

S21600.

UniGene

Ta.16248.

3D structure databases

PDBe
RCSB PDB
PDBj

Entry	Method	Resolution (Å)	Chain	Positions	PDBsum
1GME	X-ray	2.70	A/B/C/D	1-151	[»]
2BYU	electron microscopy	16.50	A/B/C/D/E/F/G/H/I/J/K/L	43-137	[»]
2H50	electron microscopy	-	A/B/C/D/E/F/G/H/I/J/K/L/M/N/O/P/Q/R/S/T/U/V/W/X	44-136	[»]
2H53	electron microscopy	-	A/B/C/D/E/F/G/H/I/J/K/L/M/N/O/P/Q/R/S/T/U/V/W/X	44-136	[»]

ProteinModelPortal

Q41560.

SMR

Q41560. Positions 2-151.

ModBase

Search...

Protocols and materials databases

StructuralBiologyKnowledgebase

Search...

Organism-specific databases

Gramene

Q41560.

Family and domain databases

InterPro

IPR002068. a-crystallin/Hsp20_dom.
IPR008978. HSP20-like_chaperone.
[Graphical view]

Pfam

PF00011. HSP20. 1 hit.
[Graphical view]

SUPFAM

SSF49764. HSP20_chap. 1 hit.

PROSITE

PS01031. HSP20. 1 hit.
[Graphical view]

ProtoNet

Search...

Other

EvolutionaryTrace

Q41560.

Entry information

Entry name

HS16B_WHEAT

Accession

Primary (citable) accession number: Q41560

Entry history

Integrated into UniProtKB/Swiss-Prot:	November 3, 2009
Last sequence update:	November 1, 1996
Last modified:	April 3, 2013
This is version 51 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Plant Protein Annotation Program