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

e4iokB1 - ECOD Domain | ECOD

ECOD/Domains/e4iokB1

e4iokB1

UID: 000972437

PDB

Range: B:1-557
PDB: 4IOK chain B(all domains)
UniProt: Q2RM91 (all domains)
Gene: fhs

Molecule: Formate--tetrahydrofolate ligase

3D Structure

Loading viewer...

Related Domains

Browse other domains in FTHFS →

Classification

AArchitecturea/b three-layered sandwiches(a.17)

XX-groupP-loop domains-like(2004)

HH-groupP-loop domains-related(2004.1)

TT-groupP-loop containing nucleoside triphosphate hydrolases(2004.1.1)

FFamilyFTHFS(2004.1.1.61)

Ligands

in contact, ≤ 4 Å

Adenosine disphosphateADP
drugDrugBank DB16833
Magnesium ionMG
metal
2-[2-(2-METHOXY-ETHOXY)-ETHOXY]-ETHOXYL

Pfam Families

Formate--tetrahydrofolate ligase

ClanCL0023P-loop_NTPase

External Links

ECOD PDB View: 4IOK RCSB PDB: 4IOK PDBe: 4IOK UniProt: Q2RM91

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

formyl phosphateXPO

+ 1 additive (Sulfate ion)

Sulfate ionSO4
DrugBank DB14546

Shown in the structure viewer. Drug annotations from DrugDomain.