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

e221pA1 - ECOD Domain | ECOD

ECOD/Domains/e221pA1

e221pA1

UID: 000101806

PDB

Range: A:1-166
PDB: 221P chain A(all domains)
UniProt: P01112 (all domains)
Gene: HRAS

Molecule: GTPase HRas (EC 3.6.5.2) (H-Ras-1) (Ha-Ras) (Transforming protein p21) (c-H-ras) (p21ras) [Cleaved into: GTPase HRas, N-terminally processed]

3D Structure

Loading viewer...

Related Domains

Browse other domains in Ras →

Classification

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

XX-groupP-loop domains-like(2004)

HH-groupP-loop domains-related(2004.1)

TT-groupP-loop containing nucleoside triphosphate hydrolases(2004.1.1)

FFamilyRas(2004.1.1.19)

Pfam Families

Ras family

ClanCL0023P-loop_NTPase

External Links

ECOD PDB View: 221P RCSB PDB: 221P PDBe: 221P UniProt: P01112

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure