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SAND domain-like superfamily

SCOP classification
Root:   SCOP hierarchy in SUPERFAMILY [ 0] (11)
Class:   Alpha and beta proteins (a+b) [ 53931] (376)
Fold:   SAND domain-like [ 63762]
Superfamily:   SAND domain-like [ 63763] (2)
Families:   SAND domain [ 63764] (3)
  SMAD4-binding domain of oncoprotein Ski [ 82611]


Superfamily statistics
Genomes (166) Uniprot 2018_03 genome PDB chains (SCOP 1.75)
Domains 1,086 2,860 4
Proteins 1,067 2,791 4


Functional annotation
General category Regulation
Detailed category DNA-binding

Document:
Function annotation of SCOP domain superfamilies

Human Phenotype (HP)

(show details)
HP termFDR (all)SDHP levelAnnotation (direct or inherited)
Phenotypic Abnormality (PA)Abnormality of the head0Least InformativeDirect
Phenotypic Abnormality (PA)Abnormality of the skeletal system0Least InformativeDirect
Phenotypic Abnormality (PA)Abnormality of the cardiovascular system0Least InformativeDirect
Phenotypic Abnormality (PA)Abnormality of nervous system morphology0Least InformativeDirect
Phenotypic Abnormality (PA)Abnormality of the digestive system0Least InformativeDirect
Phenotypic Abnormality (PA)Abnormality of forebrain morphology0Moderately InformativeDirect
Phenotypic Abnormality (PA)Abnormality of the gastrointestinal tract0.2065Moderately InformativeInherited

Document: HP annotation of SCOP domains

Mouse Phenotype (MP)

(show details)
MP termFDR (all)SDMP levelAnnotation (direct or inherited)
Mammalian Phenotype (MP)mortality/aging0Least InformativeDirect
Mammalian Phenotype (MP)cellular phenotype0.04913Least InformativeInherited
Mammalian Phenotype (MP)neoplasm0.006462Moderately InformativeInherited
Mammalian Phenotype (MP)increased hemolymphoid system tumor incidence0.000181InformativeDirect

Document: MP annotation of SCOP domains

Worm Phenotype (WP)

(show details)
WP termFDR (all)SDWP levelAnnotation (direct or inherited)
Worm Phenotype (WP)general pace of development variant0Least InformativeDirect
Worm Phenotype (WP)larval lethal0Least InformativeDirect
Worm Phenotype (WP)retarded heterochronic variations0Least InformativeDirect
Worm Phenotype (WP)larval development variant0Least InformativeDirect
Worm Phenotype (WP)larval growth variant0Least InformativeDirect
Worm Phenotype (WP)sterile progeny0Moderately InformativeDirect

Document: WP annotation of SCOP domains

Fly Phenotype (FP)

(show details)
FP termFDR (all)SDFP levelAnnotation (direct or inherited)
Fly Phenotype (FP)increased mortality0Least InformativeDirect

Document: FP annotation of SCOP domains

Fly Anatomy (FA)

(show details)
FA termFDR (all)SDFA levelAnnotation (direct or inherited)
Fly Anatomy (FA)anterior-posterior subdivision of organism1Least InformativeInherited

Document: FA annotation of SCOP domains

Xenopus Anatomy (XA)

(show details) Document: XA annotation of SCOP domains

InterPro annotation
Cross references IPR010919 SSF63763 Protein matches
Abstract

The SAND domain (named after Sp100, AIRE-1, NucP41/75, DEAF-1) is a conserved ~80 residue region found in a number of nuclear proteins, many of which function in chromatin-dependent transcriptional control. These include proteins linked to various human diseases, such as the Sp100 (Speckled protein 100 kDa), NUDR (Nuclear DEAF-1 related), GMEB (Glucocorticoid Modulatory Element Binding) proteins and AIRE-1 (Autoimmune regulator 1) proteins.

Proteins containing the SAND domain have a modular structure; the SAND domain can be associated with a number of other modules, including the bromodomain, the PHD finger and the MYND finger. Because no SAND domain has been found in yeast, it is thought that the SAND domain could be restricted to animal phyla. Many SAND domain-containing proteins, including NUDR, DEAF-1 (Deformed epidermal autoregulatory factor-1) and GMEB, have been shown to bind DNA sequences specifically. The SAND domain has been proposed to mediate the DNA binding activity of these proteins [PubMed9697411, PubMed11427895]. Structurally, the SAND domain consists of a novel alpha/beta fold, which has a core of three short helices packed against a barrel-like beta-sheet; it is structurally similar to the SH3-like fold.

Other proteins display domains that are structurally similar to the SAND domain. One such example is the SMAD4-binding domain of the oncoprotein Ski, which is stabilised by a bound zinc atom, and resembles a SAND domain, in which the corresponding I loop is responsible for DNA binding. Ski is able to disrupt the formation of a functional complex between the Co- and R-SMADs, leading to the repression of TGF-beta, Activin and BMP responses, resulting in the repression of TGF-signalling [PubMed12419246].


InterPro database


PDBeMotif information about ligands, sequence and structure motifs
Cross references PDB entries
Ligand binding statistics
Nucleic-acid binding statistics
Occurrence of secondary structure elements
Occurrence of small 3D structural motifs

PDBeMotif resource

Jump to [ Top of page · SCOP classification · InterPro annotation · PDBeMotif links · Functional annotation · Human Phenotype (HP) · Mouse Phenotype (MP) · Worm Phenotype (WP) · Fly Phenotype (FP) · Fly Anatomy (FA) · Xenopus Anatomy (XA) ]

Internal database links

Browse genome assignments for this superfamily. The SUPERFAMILY hidden Markov model library has been used to carry out SCOP domain assignments to all genomes at the superfamily level.


Alignments of sequences to 4 models in this superfamily are available by clicking on the 'Alignments' icon above. PDB sequences less than 40% identical are shown by default, but any other sequence(s) may be aligned. Select PDB sequences, genome sequences, or paste in or upload your own sequences.


Browse and view proteins in genomes which have different domain combinations including a SAND domain-like domain.


Examine the distribution of domain superfamilies, or families, across the major taxonomic kingdoms or genomes within a kingdom. This gives an immediate impression of how superfamilies, or families, are restricted to certain kingdoms of life.


Explore domain occurrence network where nodes represent genomes and edges are domain architectures (shared between genomes) containing the superfamily of interest.

There are 4 hidden Markov models representing the SAND domain-like superfamily. Information on how the models are built, and plots showing hydrophobicity, match emmission probabilities and insertion/deletion probabilities can be inspected.


Jump to [ Top of page · SCOP classification · InterPro annotation · PDBeMotif links · Functional annotation · Human Phenotype (HP) · Mouse Phenotype (MP) · Worm Phenotype (WP) · Fly Phenotype (FP) · Fly Anatomy (FA) · Xenopus Anatomy (XA) · Internal database links ]