PDBsum entry 3duq

Photosynthesis

PDB id: 3duq

Contents

Protein chains

281 a.a. *

298 a.a. *

240 a.a. *

Ligands

BCL ×4

BPH ×2

U10 ×2

LDA ×4

SPN

CDL

Metals

_FE

Waters ×155

* Residue conservation analysis

PDB id:

3duq

Name:

Photosynthesis

Title:

E(l212)a, d(l213)a, n(m5)d triple mutant structure of photosynthetic reaction center from rhodobacter sphaeroides

Structure:

Reaction center protein l chain. Chain: l. Synonym: photosynthetic reaction center l subunit. Engineered: yes. Mutation: yes. Reaction center protein m chain. Chain: m. Synonym: photosynthetic reaction center m subunit. Engineered: yes.

Source:

Rhodobacter sphaeroides. Rhodopseudomonas sphaeroides. Organism_taxid: 1063. Gene: pufl. Expressed in: rhodobacter sphaeroides. Expression_system_taxid: 1063. Gene: pufm. Gene: puha. Expression_system_taxid: 1063

Resolution:

2.70Å R-factor: 0.209 R-free: 0.217

Authors:

P.R.Pokkuluri,M.Schiffer

Key ref:

P.R.Pokkuluri et al. Structural description of compensatory mutations that restore proton transfer pathways to the l212ala-L213ala mutant bacterial reaction center. Photosynthesis: fundamental, .

Date:

17-Jul-08 Release date: 30-Jun-09

Protein chain

P0C0Y8  (RCEL_CERSP) -  Reaction center protein L chain from Cereibacter sphaeroides

Seq: 282 a.a.

Struc: 281 a.a.*

Protein chain

P0C0Y9  (RCEM_CERSP) -  Reaction center protein M chain from Cereibacter sphaeroides

Seq: 308 a.a.

Struc: 298 a.a.*

Protein chain

P0C0Y7  (RCEH_CERSP) -  Reaction center protein H chain from Cereibacter sphaeroides

Seq: 260 a.a.

Struc: 240 a.a.

* PDB and UniProt seqs differ at 3 residue positions (black crosses)