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

Q23431_F1_nD2 - ECOD Domain | ECOD

ECOD/Domains/Q23431_F1_nD2

Q23431_F1_nD2

UID: 003237805

AlphaFold

Range: 46-253
AlphaFold: AF-Q23431
UniProt: Q23431 (all domains)
Gene: CELE_ZK1251.3

Protein: 3-oxo-5alpha-steroid 4-dehydrogenase (NADP(+)) (EC 1.3.1.22)

3D Structure

Loading viewer...

Related Domains

Browse other domains in Steroid_dh →

Classification

AArchitecturealpha bundles(a.7)

XX-groupIsoprenylcysteine carboxyl methyltransferase (ICMT)(3447)

HH-groupIsoprenylcysteine carboxyl methyltransferase (ICMT)(3447.1)

TT-groupIsoprenylcysteine carboxyl methyltransferase (ICMT)(3447.1.1)

FFamilySteroid_dh(3447.1.1.5)

Pfam Families

PF02544Steroid_dh

3-oxo-5-alpha-steroid 4-dehydrogenase

ClanCL0115Steroid_dh

External Links

AlphaFold DB: Q23431 UniProt: Q23431

Representative

This domain is classified based on similarity to:

Downloads

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

Domain coordinates: residues 46-253