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

Resources

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

© 2014-2026 Grishin Lab / HHMI / UTSW

Q54KR1_F1_nD1 - ECOD Domain | ECOD

ECOD/Domains/Q54KR1_F1_nD1

Q54KR1_F1_nD1

UID: 003270403

AlphaFold

Range: 21-30,56-325
AlphaFold: AF-Q54KR1
UniProt: Q54KR1 (all domains)
Gene: cysS

Protein: Cysteine--tRNA ligase, cytoplasmic (EC 6.1.1.16) (Cysteinyl-tRNA synthetase) (CysRS)

3D Structure

Loading viewer...

Related Domains

Browse other domains in tRNA-synt_1e →

Classification

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

XX-groupHUP domain-like(2005)

HH-groupHUP domains(2005.1)

TT-groupHUP domains(2005.1.1)

FFamilytRNA-synt_1e(2005.1.1.12)

Pfam Families

PF01406tRNA-synt_1e

tRNA synthetases class I (C) catalytic domain

ClanCL0039HUP

External Links

AlphaFold DB: Q54KR1 UniProt: Q54KR1

Representative

This domain is classified based on similarity to:

Downloads

Full AlphaFold Structure (PDB)Full AlphaFold Structure (mmCIF)

Domain coordinates: residues 21-30,56-325