4BLC: Orthorhombic crystals of beef liver catalase

The structure of orthorhombic crystals of beef liver catalase. Determined by X-ray diffraction at 2.3 Å resolution. Released 14 Oct 1998.

Method: X-ray diffraction
Resolution: 2.3 Å
Organism: Bos taurus
Chains: 4
Atoms: 16,816
Mol. weight: 236.11 kDa
Ligands: NDP, HEM
Released: 14 Oct 1998

Explore 4BLC in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4BLC contains 108 α-helices and 90 β-strands across 4 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 27 helices, 22 β-strands

Element	Residues	Length	Sheet
α-helix	10-17	8
α-helix	22-24	3
β-strand	25	1	1
α-helix	26	1
β-strand	27	1	2
α-helix	32	1
β-strand	33	1	2
α-helix	34	1
β-strand	42-43	2	3
α-helix	47-48	2
β-strand	49	1	3
β-strand	50	1	4
α-helix	54-63	10
α-helix	69-71	3
β-strand	77-86	10	5
β-strand	105-113	9	5
β-strand	130-137	8	5
β-strand	140-147	8	5
α-helix	160-167	8
β-strand	169	1	6
β-strand	176	1	6
α-helix	178-187	10
α-helix	189-191	3
α-helix	192-198	7
α-helix	201-203	3
β-strand	205	1	7
β-strand	213-214	2	5
β-strand	219-222	4	5
β-strand	228-237	10	5
β-strand	243	1	7
α-helix	246-255	10
α-helix	259-269	11
β-strand	275-283	9	5
α-helix	285-289	5
β-strand	309-319	11	5
α-helix	324	1
α-helix	325-329	5
β-strand	342-343	2	5
α-helix	348-364	17
α-helix	369-371	3
α-helix	373-375	3
β-strand	412	1	8
α-helix	415-417	3
β-strand	423-430	8	9
α-helix	440-444	5
α-helix	445-449	5
α-helix	452-466	15
α-helix	471-484	14
α-helix	486-499	14

Chain B: 29 helices, 22 β-strands

Element	Residues	Length	Sheet
α-helix	10-17	8
α-helix	21-23	3
β-strand	25	1	10
β-strand	27	1	11
α-helix	32	1
β-strand	33	1	11
α-helix	34	1
β-strand	42	1	12
α-helix	47-48	2
β-strand	49	1	12
β-strand	50	1	4
α-helix	54-63	10
α-helix	69-71	3
β-strand	77-86	10	13
α-helix	97-99	3
β-strand	105-113	9	13
β-strand	130-137	8	13
β-strand	140-147	8	13
α-helix	157-159	3
α-helix	160-166	7
α-helix	178-187	10
α-helix	189-191	3
α-helix	192-198	7
α-helix	201-203	3
β-strand	205	1	14
β-strand	213-214	2	13
β-strand	219-222	4	13
β-strand	228-237	10	13
β-strand	243	1	14
α-helix	246-255	10
α-helix	259-269	11
β-strand	275-283	9	13
α-helix	285-290	6
β-strand	310-319	10	13
α-helix	324	1
α-helix	325-329	5
β-strand	342-344	3	13
α-helix	350-364	15
α-helix	369-371	3
α-helix	373-375	3
β-strand	412	1	15
α-helix	415-417	3
α-helix	418-421	4
β-strand	422-427	6	9
β-strand	428-429	2	16
α-helix	440-444	5
α-helix	445-449	5
β-strand	450	1	17
α-helix	452-466	15
α-helix	471-484	14
α-helix	486-499	14

Chain C: 29 helices, 23 β-strands

Element	Residues	Length	Sheet
α-helix	10-18	9
α-helix	22-24	3
β-strand	25	1	8
α-helix	26	1
β-strand	27	1	18
α-helix	32	1
β-strand	33	1	18
α-helix	34	1
β-strand	42-43	2	16
α-helix	47-48	2
β-strand	49	1	16
β-strand	50	1	19
α-helix	54-63	10
α-helix	69-71	3
β-strand	77-86	10	20
α-helix	97-99	3
β-strand	105-113	9	20
β-strand	130-138	9	20
β-strand	140-147	8	20
α-helix	159-166	8
β-strand	169	1	21
β-strand	176	1	21
α-helix	178-187	10
α-helix	189-191	3
α-helix	192-199	8
α-helix	201-203	3
β-strand	205	1	22
β-strand	213-214	2	20
β-strand	219-222	4	20
β-strand	228-237	10	20
β-strand	243	1	22
α-helix	246-255	10
α-helix	259-269	11
β-strand	275-283	9	20
α-helix	285-290	6
β-strand	310-319	10	20
α-helix	324	1
α-helix	325-329	5
β-strand	342-343	2	20
α-helix	348-364	17
α-helix	369-371	3
α-helix	373-375	3
β-strand	412	1	1
α-helix	415-417	3
α-helix	418-420	3
β-strand	424-426	3	23
β-strand	429	1	12
α-helix	440-443	4
α-helix	444-449	6
α-helix	452-466	15
α-helix	471-484	14
α-helix	486-499	14

Chain D: 23 helices, 23 β-strands

Element	Residues	Length	Sheet
α-helix	7-9	3
α-helix	10-18	9
α-helix	22-24	3
β-strand	25	1	15
β-strand	27	1	24
β-strand	33	1	24
β-strand	41-43	3	9
β-strand	49	1	9
β-strand	50	1	19
α-helix	54-63	10
α-helix	69-71	3
β-strand	77-86	10	25
β-strand	105-113	9	25
β-strand	130-138	9	25
β-strand	140-147	8	25
α-helix	157-159	3
α-helix	160-167	8
β-strand	169	1	26
β-strand	176	1	26
α-helix	178-186	9
α-helix	189-191	3
α-helix	192-198	7
α-helix	201-203	3
β-strand	205	1	27
β-strand	213-214	2	25
β-strand	219-222	4	25
β-strand	228-237	10	25
β-strand	243	1	27
α-helix	246-255	10
α-helix	259-269	11
β-strand	275-283	9	25
α-helix	285-290	6
β-strand	310-319	10	25
α-helix	324	1
α-helix	325-329	5
β-strand	342-343	2	25
α-helix	348-364	17
α-helix	369-371	3
β-strand	412	1	10
β-strand	424-426	3	23
β-strand	428-429	2	3
α-helix	440-444	5
α-helix	445-449	5
α-helix	452-466	15
α-helix	471-482	12
α-helix	486-500	15

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Protein (catalase)	A, B, C, D	protein	506	Bos taurus	P00432 (AlphaFold model)

Sequence of entity 1 (A, B, C, D), FASTA

>4BLC_1 PROTEIN (CATALASE) (chains A, B, C, D)
ADNRDPASDQMKHWKEQRAAQKPDVLTTGGGNPVGDKLNSLTVGPRGPLLVQDVVFTDEM
AHFDRERIPERVVHAKGAGAFGYFEVTHDITRYSKAKVFEHIGKRTPIAVRFSTVAGESG
SADTVRDPRGFAVKFYTEDGNWDLVGNNTPIFFIRDALLFPSFIHSQKRNPQTHLKDPDM
VWDFWSLRPESLHQVSFLFSDRGIPDGHRHMDGYGSHTFKLVNADGEAVYCKFHYKTDQG
IKNLSVEDAARLAHEDPDYGLRDLFNAIATGNYPSWTLYIQVMTFSEAEIFPFNPFDLTK
VWPHGDYPLIPVGKLVLNRNPVNYFAEVEQLAFDPSNMPPGIEPSPDKMLQGRLFAYPDT
HRHRLGPNYLQIPVNCPYRARVANYQRDGPMCMMDNQGGAPNYYPNSFSAPEHQPSALEH
RTHFSGDVQRFNSANDDNVTQVRTFYLKVLNEEQRKRLCENIAGHLKDAQLFIQKKAVKN
FSDVHPEYGSRIQALLDKYNEEKPKN

Ligands and cofactors

ID	Name	Formula	Copies
NDP	NADPH dihydro-nicotinamide-adenine-dinucleotide phosphate	C21 H30 N7 O17 P3	4
HEM	Protoporphyrin IX containing FE	C34 H32 Fe N4 O4	4

Primary citation

Structure of orthorhombic crystals of beef liver catalase. Ko, T.P., Day, J., Malkin, A.J. et al. Acta Crystallogr D Biol Crystallogr (1999) 55:1383-1394. DOI 10.1107/S0907444999007052 · PubMed

Other PDB entries of the same protein (UniProt P00432 (AlphaFold model), which also has an AlphaFold model), best resolution first:

6PO0 1.75 Å, The structure of the orthorhombic (P212121) crystal form of beef liver catalase at 1.85…
6PM7 1.85 Å, The structure of the triclinic crystal form of beef liver catalase at 1.85 A resolution
3RGP 1.88 Å, Structural and Kinetic Analysis of the Beef liver Catalase complexed with Nitric Oxide
3RE8 1.9 Å, Structural and Kinetic Analysis of the Beef liver Catalase interacting with Nitric Oxide
3RGS 1.99 Å, Structural and kinetic analysis of the beef liver catalase with the ammonia as a ligand
7CAT 2.5 Å, The NADPH binding site on beef liver catalase
8CAT 2.5 Å, The NADPH binding site on beef liver catalase
3NWL 2.69 Å, The crystal structure of the P212121 form of bovine liver catalase previously…
1TGU 2.8 Å, The crystal structure of bovine liver catalase without NADPH
1TH2 2.8 Å, crystal structure of NADPH depleted bovine liver catalase complexed with azide
1TH3 2.8 Å, Crystal structure of NADPH depleted bovine live catalase complexed with cyanide
1TH4 2.98 Å, crystal structure of NADPH depleted bovine liver catalase complexed with…

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