ISDA: 9XOK

Deposition Date 2025-11-13

Release Date 2026-03-04

Last Version Date 2026-03-04

Entry Detail

PDB ID:

9XOK

Keywords:

TRANSPORT PROTEIN

Title:

Crystal Structure of Redesigned HasAsm Variant (51-mutation) with Iron Tetraphenylporphyrin

Biological Source:

Source Organism(s):

Serratia marcescens (Taxon ID: 615)

Expression System(s):

Escherichia coli bl21(de3)

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

1.80 Å

R-Value Free:

0.33

R-Value Work:

0.25

Space Group:

C 2 2 21

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Macromolecular Entities

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Hemophore HasA
Gene (Uniprot):hasA
Mutagens:F11L, G12D, G13N, Y14L, S15T, I16L, H17Q, D18E, Y19F, L20F, G21N, Q22E, S25A, T26S, S58T, A61K, N62D, Q63G, Q88T, S93A, D96N, D102S, T103S, S104T, Q109T, V110E, D112Q, V113F, S114R, F115L, N119G, L120W, S121T, L123E, Q124I, A125S, Q126E, T144S, G145T, A146P, E148L, T149Q, G153N, I154Q, D156Q, D157Q, V162T, D167M, Q168E, V169I, A170R
Chain IDs:A
Chain Length:171
Number of Molecules:1
Biological Source:Serratia marcescens

UniProt ID:Q54450

Ligand Molecules

GOL

MQP

SO4

Primary Citation

Computational redesign of the heme acquisition protein HasA for enhanced thermostability while retaining its ability to bind synthetic metalloporphyrins

Kim, S, Urushibata, A, Yamauchi, N, Sugimoto, H, Nakano, S, Shoji, O.Show

Chem Lett. 55 ? ? (2026)

DOI: 10.1093/chemle/upaf236

Primary Citation of related structures

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