From: sHSPdb: a database for the analysis of small Heat Shock Proteins
sHSP class (Usual name) | Localization (plants sHSP) | Examples of representant and/or annotation | Motif allowing to classify sequencesa | Motif position in sequences | Number of sHSP classifiedb | Main taxonomy |
---|---|---|---|---|---|---|
Class 1 (Class I) | Cytosol-nucleus | TaHsp16.9 PsHsp18.1 | [AGPSTV][ADEGHMNQTV][ILPSVY][KR][AFGNPQST][IV][ADEHKNQ][IFV][ACGNSTY][ADEGV]?(.{1,6})?$ | C-terminal | 362 | Viridiplantae |
Class 2 (Class II) | Cytosol-nucleus | 17–17.9 kDa HSP | [ILNV].{0,1}[KNR].{0,1}[PT]P[APQ].{1,2}[AKR].{0,6}[IV].{0,5}$ | C-terminal | 111 | Viridiplantae |
Class 3 (Class_IV) | Endoplasmic reticulum | WH.{8,10}[FS][IW]R[QR][FL].{2,2}P.{3,3}[^K] | Central | 68 | Viridiplantae | |
Class 4 (Class_V) | [^E]A[RS]AA$ | C-terminal | 46 | Viridiplantae | ||
Class 5 (Class_VI) | 21.7–22.3 kDa | D.{2,3}D.{1,2}PLW | N-terminal | 64 | Viridiplantae | |
Class 6 (Class M) | Mitochondria | HSP23 | [LM].{10,10}[KR].{1,2}[DEKQ][DEKNQ][DEGHPQ].{2,2}[DEN].{3,3}[IV].[^H][DENQ]$ | C-terminal | 118 | Viridiplantae |
Class 7 (Class P) | Plastids | HSP26 to HSP26.8 CPsHSP21 | [DEFHNQSTY][AGKPRST][KT][IV][FHILMTV][DEG][IRV][DEHKNQS][ILV][EKNQR]G?$ | C-terminal | 102 | Viridiplantae |
Class 8 (Class Px) | Peroxysome | [IV].{3,3}[^D][KR]L$ | C-terminal | 52 | Viridiplantae | |
Class 9 (Class RA) | Ribosome Associated | sHSP15 RNA-binding S4 | P[^P]K.{2,2}R[QR].{7,27}$ | C-terminal | 247 | Bacteria |
Class 10 (HSP20/IbpA/IbpB) | Hsp20 - IbpA/B - HspA/B - HspB6 | P[GKP][FHMY][DN][ILV] | N-terminal | 545 | Bacteria Fungi | |
Class 11 (HSP20/HspC) | [FILMV][^P].?[DEQ][FILMPV][ADEKNQS][^S][FILMV][FLVW][ADEGHIMNQS] | N-terminal | 679 | Bacteria Archaea Fungi | ||
Class 12 (HSP27 /aA-crystallin /aB-crystallin) | HspB1 aA or aB -crystallin HspB4 or 5 | [AGHNPQRSTY][DHKR][AFILMPV].[DES][DQ].F[AG] | N-terminal | 534 | Metazoa Bacteria | |
Class 13 (beta-9) | [LM][LP][SV].{2,2}L.[ADEN].{11,14}F[KQ] | N-terminal | 56 | Metazoa | ||
Class 14 (HSP Beta_3) | PVRY[EKQ] | N-terminal | 84 | Metazoa | ||
Class 15 (HSP Beta_7) | EIKI$ | C-terminal | 26 | Metazoa | ||
Class 16 (HSP Beta_11) | HSP family B | [ADE]TFW | N-terminal | 76 | Metazoa | |
Class 17 (HspQ) | K[FY][AFG][IL]G | N-terminal | 88 | Bacteria | ||
Class 18 (HSP42) | Hsp42p | DEEL.{1,16}$ | C-terminal | 16 | Fungi | |
Class 19 (HSP30) | [PST][AEIV][HLR][PST][LH]W[PT][AEHT] | N-terminal | 24 | Metazoa | ||
Class 20 (HSP31) | HchA « Holdases » | TG.{4,4}E.{11,11}G | N-terminal | 147 | Bacteria Fungi | |
Class 21 (HSP33) | 33 kDa chaperonin « Holdases » | C.[FY]C.{3,3}Y | C-terminal | 135 | Bacteria |