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

e2nnkB1 - ECOD Domain | ECOD

ECOD/Domains/e2nnkB1

e2nnkB1

UID: 000020428

PDB

Range: B:101-199
PDB: 2NNK chain B(all domains)
UniProt: Q7SSI0 (all domains)
Gene: pol

Molecule: PROTEASE

3D Structure

Loading viewer...

Related Domains

Browse other domains in RVP →

Classification

AArchitecturebeta barrels(a.1)

XX-groupcradle loop barrel(1)

HH-groupRIFT-related(1.1)

TT-groupacid protease(1.1.1)

FFamilyRVP(1.1.1.3)

Ligands

in contact, ≤ 4 Å

SaquinavirROC
drugDrugBank DB01232
Chloride ionCL
Sodium ionNA

Pfam Families

Retroviral aspartyl protease

ClanCL0129Peptidase_AA

External Links

ECOD PDB View: 2NNK RCSB PDB: 2NNK PDBe: 2NNK UniProt: Q7SSI0

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

metal

+ 1 additive (Glycerin)

GlycerinGOL
DrugBank DB09462

Shown in the structure viewer. Drug annotations from DrugDomain.