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

e4x4uA3 - ECOD Domain | ECOD

ECOD/Domains/e4x4uA3

e4x4uA3

UID: 001500618

PDB

Range: A:1-142
PDB: 4X4U chain A(all domains)
UniProt: O28126 (all domains)
Gene: cca

Molecule: CCA-adding enzyme

3D Structure

Loading viewer...

Related Domains

Browse other domains in NTP_transf_2 →

Classification

AArchitecturea+b three layers(a.12)

XX-groupNucleotidyltransferase-like(316)

HH-groupNucleotidyltransferase(316.1)

TT-groupNucleotidyltransferase(316.1.1)

FFamilyNTP_transf_2(316.1.1.2)

Ligands

in contact, ≤ 4 Å

alpha,beta-Methyleneadenosine 5'-triphosphateAPC
drugDrugBank DB02596

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

PF01909NTP_transf_2

Nucleotidyltransferase domain

ClanCL0260NTP_transf

External Links

ECOD PDB View: 4X4U RCSB PDB: 4X4U PDBe: 4X4U UniProt: O28126

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure