Structure of PDB 8k7c Chain B

Receptor sequence
>8k7cB (length=587) Species: 9606 (Homo sapiens) [Search protein sequence]
RDFGRKLRLLSGYLWPRGSPALQLVVLICLGLMGLERALNVLVPIFYRNI
VNLLTEKAPWNSLAWTVTSYVFLKFLQGGGTGSTGFVSNLRTFLWIRVQQ
FTSRRVELLIFSHLHELSLRWHLGRRTGEVLRIADRGTSSVTGLLSYLVF
NVIPTLADIIIGIIYFSMFFNAWFGLIVFLCMSLYLTLTIVVTEWRTKFR
RAMNTQENATRARAVDSLLNFETVKYYNAESYEVERYREAIIKYQGLEWK
SSASLVLLNQTQNLVIGLGLLAGSLLCAYFVTEQKLQVGDYVLFGTYIIQ
LYMPLNAFGTYYRMIQTNFIDMENMFDLLKEETEVKDLPGAGPLRFQKGR
IEFENVHFSYADGRETLQDVSFTVMPGQTLALVGPSGAGKSTILRLLFRF
YDISSGCIRIDGQDISQVTQASLRSHIGVVPQDTVLFNDTIADNIRYGRV
TAGNDEVEAAAQAAGIHDAIMAFPEGYRTQVGERGLKLSGGEKQRVAIAR
TILKAPGIILLDEATSALDTSNERAIQASLAKVCANRTTIVVAHRLSTVV
NADQILVIKDGCIVERGRHEALLSRGGVYADMWQLQQ
3D structure
PDB8k7c W546 stacking disruption traps the human porphyrin transporter ABCB6 in an outward-facing transient state.
ChainB
Resolution3.9 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 7.6.2.5: ABC-type heme transporter.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 ADP B F712 K726 F473 K487
BS02 ADP B Y599 S625 G626 G628 K629 S630 Y360 S386 G387 G389 K390 S391
BS03 MG B S630 Q671 S391 Q432
Gene Ontology
Molecular Function
GO:0005524 ATP binding
GO:0016887 ATP hydrolysis activity
GO:0140359 ABC-type transporter activity
Biological Process
GO:0055085 transmembrane transport
Cellular Component
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:8k7c, PDBe:8k7c, PDBj:8k7c
PDBsum8k7c
PubMed37735522
UniProtQ9NP58|ABCB6_HUMAN ATP-binding cassette sub-family B member 6 (Gene Name=ABCB6)

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