ECODEvolutionary Classification of Protein Domains

Home Browse Search Download Help

About ECOD

ECOD (Evolutionary Classification of Protein Domains) is a hierarchical classification of protein domains based on evolutionary relationships. It combines automated sequence and structure analysis with manual curation.

Quick Links

Browse Classification
Search
Download Data
Documentation
Privacy

Resources

Grishin Lab
UT Southwestern
RCSB PDB
AlphaFold DB
ecod.database@gmail.com

© 2014-2026 Grishin Lab / HHMI / UTSW

e3tqlA1 - ECOD Domain | ECOD

ECOD/Domains/e3tqlA1

e3tqlA1

UID: 001522741

PDB

Range: A:40-127,A:226-266
PDB: 3TQL chain A(all domains)
UniProt: Q83E49 (all domains)
Gene: CBU_0482

Molecule: Arginine-binding protein

3D Structure

Loading viewer...

Related Domains

Browse other domains in SBP_bac_3 →

Classification

AArchitecturea/b three-layered sandwiches(a.17)

XX-groupPeriplasmic binding protein-like II(7523)

HH-groupPeriplasmic binding protein-like II(7523.1)

TT-groupPeriplasmic binding protein-like II(7523.1.1)

FFamilySBP_bac_3(7523.1.1.4)

Ligands

in contact, ≤ 4 Å

ArginineARG
drugDrugBank DB00125

+ 1 additive (Imidazole)

ImidazoleIMD
DrugBank DB03366within 5 Å only

Shown in the structure viewer.

Pfam Families

PF00497SBP_bac_3

Bacterial extracellular solute-binding proteins, family 3

ClanCL0177PBP

External Links

ECOD PDB View: 3TQL RCSB PDB: 3TQL PDBe: 3TQL UniProt: Q83E49

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

Drug annotations from DrugDomain.