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

e1q3xA1 - ECOD Domain | ECOD

ECOD/Domains/e1q3xA1

e1q3xA1

UID: 000000255

RepresentativePDB

Range: A:445-686
PDB: 1Q3X chain A(all domains)
UniProt: O00187 (all domains)
Gene: MASP2

Molecule: Mannan-binding lectin serine protease 2

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

Sodium ionNA
metal

+ 1 additive (Glycerin)

GlycerinGOL
DrugBank DB09462

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

PF00089Trypsin

Trypsin

ClanCL0124Peptidase_PA

External Links

ECOD PDB View: 1Q3X RCSB PDB: 1Q3X PDBe: 1Q3X UniProt: O00187

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure