ISDA: 9XPI

Deposition Date 2025-11-16

Release Date 2026-03-04

Last Version Date 2026-03-04

Entry Detail

PDB ID:

9XPI

Keywords:

TRANSPORT PROTEIN

Title:

Crystal Structure of Redesigned HasAsm Variant (48-mutation) with Heme

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:

2.16 Å

R-Value Free:

0.25

R-Value Work:

0.22

Space Group:

P 31 2 1

Download Validation Report

Macromolecular Entities

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Hemophore HasA
Gene (Uniprot):hasA
Mutagens:F11L, G12A, G13N, Y14L, S15T, I16L, H17A, D18E, Y19F, L20F, G21N, Q22E, T26Y, N41S, S58T, A61K, N62D, Q63G, N79S, E80P, Q88T, S91A, S93T, D96N, T103S, S104T, Q109V, V110N, D112E, S114T, G116S, L120W, S121T, L123E, A125E, Q126E, Q134K, V136I, G145T, E148L, T149Q, G153S, I154L, D156K, D157Q, V162I, Q168E, V169I
Chain IDs:A
Chain Length:176
Number of Molecules:1
Biological Source:Serratia marcescens

UniProt ID:Q54450

Ligand Molecules

ACT

HEM

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

Feedback Form