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

e4biyA1 - ECOD Domain | ECOD

ECOD/Domains/e4biyA1

e4biyA1

UID: 001289572

PDB

Range: A:220-301
PDB: 4BIY chain A(all domains)
UniProt: P0AE82 (all domains)
Gene: cpxA

Molecule: SENSOR PROTEIN CPXA

3D Structure

Loading viewer...

Related Domains

Browse other domains in HisKA →

Classification

AArchitecturealpha duplicates or obligate multimers(a.8)

XX-groupROP-like(605)

HH-groupHomodimeric domain of signal transducing histidine kinase(605.1)

TT-groupHomodimeric domain of signal transducing histidine kinase(605.1.1)

FFamilyHisKA(605.1.1.1)

Ligands

in contact, ≤ 4 Å

Only buffers and crystallization additives.

+ 1 additive (Sulfate ion)

Sulfate ionSO4
DrugBank DB14546

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

His Kinase A (phospho-acceptor) domain

ClanCL0025His_Kinase_A

External Links

ECOD PDB View: 4BIY RCSB PDB: 4BIY PDBe: 4BIY UniProt: P0AE82

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure