T-group (topology)

2.1.1 Nucleic acid-binding protein

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. 2.1.1 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

DrugBankPDB ligandNameDomains
DB14128NADNadide25
DB16833ADPAdenosine disphosphate17
DB01082SRYStreptomycin16
DB00171ATPATP8
DB00128ASPAspartic acid6
DB02219CXS3-(cyclohexylamino)propanesulfonic acid6
DB01643TMPThymidine monophosphate5
DB01992COACoenzyme A5
DB04626AM2Apramycin5
DB00131AMPAdenosine phosphate4
DB00544URFFluorouracil4
DB01421PARParomomycin4
DB02375MYCMyricetin4
DB00123LYSLysine3
DB00160ALAAlanine3
DB04216QUEQuercetin3
DB00142GLUGlutamic acid2
DB00151CYSCysteine2
DB00156THRThreonine2
DB00174—Asparagine2

Most frequently bound compounds

PDB ligandNameDomains in contact
MGmetalMAGNESIUM ION2,587
KmetalPOTASSIUM ION220
OHXosmium (III) hexammine178
ZNmetalZINC ION137
ADPADENOSINE-5'-DIPHOSPHATE59
CLCHLORIDE ION54
ATPADENOSINE-5'-TRIPHOSPHATE48
UNXUNKNOWN ATOM OR ION42
NADNICOTINAMIDE-ADENINE-DINUCLEOTIDE31
SRmetalSTRONTIUM ION28
NAmetalSODIUM ION25
CAmetalCALCIUM ION23
SRYSTREPTOMYCIN19
SPMSPERMINE17
PARPAROMOMYCIN15
AGSPHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER11
AM2APRAMYCIN11
ME71,1'-ethane-1,2-diylbis(1H-pyrrole-2,5-dione)10
AGmetalSILVER ION9
SF4IRON/SULFUR CLUSTER9