H-group (homology)

2.1 Nucleic acid-binding protein

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Ligands and drugs

39,306

Member domains

3,655

with ligand contacts (≤ 4 Å)

9.3% of members

1,665

with DrugDomain annotations

4.2% of members

371

with a DrugBank compound

0.9% of members

Aggregated over all current member domains of this group. Drug annotations come from DrugDomain; buffers and crystallization additives are excluded from the tables below.

Chemical profile

Chemical profiles are computed for X-groups. 2.1 belongs to X-group 2 OB-fold, which binds 7.0 ligand superclasses per 20 proteins, narrower than 59% of the 256 X-groups with enough proteins to compare. View its chemical profile →

DrugBank compounds

DrugBank	PDB ligand	Name	Domains
DB14128	NAD	Nadide	25
DB16833	ADP	Adenosine disphosphate	17
DB01082	SRY	Streptomycin	16
DB00171	ATP	ATP	8
DB00128	ASP	Aspartic acid	6
DB02219	CXS	3-(cyclohexylamino)propanesulfonic acid	6
DB01643	TMP	Thymidine monophosphate	5
DB01992	COA	Coenzyme A	5
DB04626	AM2	Apramycin	5
DB00131	AMP	Adenosine phosphate	4
DB00544	URF	Fluorouracil	4
DB01421	PAR	Paromomycin	4
DB02375	MYC	Myricetin	4
DB00123	LYS	Lysine	3
DB00160	ALA	Alanine	3
DB04216	QUE	Quercetin	3
DB00142	GLU	Glutamic acid	2
DB00151	CYS	Cysteine	2
DB00156	THR	Threonine	2
DB00174	—	Asparagine	2

Most frequently bound compounds

PDB ligand	Name	Domains in contact
MGmetal	MAGNESIUM ION	2,587
Kmetal	POTASSIUM ION	220
OHX	osmium (III) hexammine	178
ZNmetal	ZINC ION	137
ADP	ADENOSINE-5'-DIPHOSPHATE	59
CL	CHLORIDE ION	54
ATP	ADENOSINE-5'-TRIPHOSPHATE	48
UNX	UNKNOWN ATOM OR ION	42
NAD	NICOTINAMIDE-ADENINE-DINUCLEOTIDE	31
SRmetal	STRONTIUM ION	28
NAmetal	SODIUM ION	25
CAmetal	CALCIUM ION	23
SRY	STREPTOMYCIN	19
SPM	SPERMINE	17
PAR	PAROMOMYCIN	15
AGS	PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER	11
AM2	APRAMYCIN	11
ME7	1,1'-ethane-1,2-diylbis(1H-pyrrole-2,5-dione)	10
AGmetal	SILVER ION	9
SF4	IRON/SULFUR CLUSTER	9