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

e1bitA1 - ECOD Domain | ECOD

ECOD/Domains/e1bitA1

e1bitA1

UID: 000022345

PDB

Range: A:16-245
PDB: 1BIT chain A(all domains)
UniProt: P35031 (all domains)

Molecule: TRYPSIN

3D Structure

Loading viewer...

Related Domains

Browse other domains in Trypsin →

Classification

AArchitecturebeta barrels(a.1)

XX-groupcradle loop barrel(1)

HH-groupRIFT-related(1.1)

TT-groupFMN-binding split barrel 2(1.1.17)

FFamilyTrypsin(1.1.17.1)

Ligands

in contact, ≤ 4 Å

BenzamidineBEN
Calcium ionCA
metal

+ 1 additive (Sulfate ion)

Sulfate ionSO4

Pfam Families

PF00089Trypsin

Trypsin

ClanCL0124Peptidase_PA

External Links

ECOD PDB View: 1BIT RCSB PDB: 1BIT PDBe: 1BIT UniProt: P35031

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

DrugBank DB14546

Shown in the structure viewer. Drug annotations from DrugDomain.