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Ligand:__K...
POTASSIUM ION
K
Compound type: non-polymer
Links: Het group HIC-Up NIST KEGG
CAS Registry Number: 7440-09-7
The following list shows the 649 PDB entries that contain one or more instances of ligand __K. Where the structure contains more than one instance, the count is shown in brackets after the protein name.
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.PDB.Id
Title
1a3w* Pyruvate kinase from saccharomyces cerevisiae complexed with fbp, pg, mn2+ and k+ (x2)
1a3x* Pyruvate kinase from saccharomyces cerevisiae complexed with pg, mn2+ and k+ (x2)
1a49* Bis mg- atp- k- oxalate complex of pyruvate kinase (x8)
1a5a* Cryo- crystallography of a true substrate, indole- 3- glycerol phosphate, bound to a mutant (alphad60n) tryptophan synthase alpha2beta2 complex reveals the correct orientation of active site alpha glu 49
1a5b* Cryo- crystallography of a true substrate, indole- 3- glycerol phosphate, bound to a mutant (alpha d60n) tryptophan synthase alpha=2=beta=2= complex reveals the correct orientation of active site alpha glu 49
1a9x* Carbamoyl phosphate synthetase: caught in the act of glutamine hydrolysis (x32)
1ad1* Dihydropteroate synthetase (apo form) from staphylococcus aureus (x2)
1ad4* Dihydropteroate synthetase complexed with oh- ch2- pterin- pyrophosphate from staphylococcus aureus (x2)
1akd* Cytochrome p450cam from pseudomonas putida, complexed with 1s- camphor
1aop* Sulfite reductase structure at 1.6 angstrom resolution
1apx* Crystal structure of recombinant ascorbate peroxidase (x4)
1aqf* Pyruvate kinase from rabbit muscle with mg, k, and l- phospholactate (x8)
1arx* Crystal structures of cyanide- and triiodide- bound forms of arthromyces ramosus peroxidase at different ph values. Perturbations of active site residues and their implication in enzyme catalysis
1ary* Crystal structures of cyanide- and triiodide- bound forms of arthromyces ramosus peroxidase at different ph values. Perturbations of active site residues and their implication in enzyme catalysis
1arz* Escherichia coli dihydrodipicolinate reductase in complex with nadh and 2,6 pyridine dicarboxylate (x2)
1ax4* Tryptophanase from proteus vulgaris (x4)
1beu* Trp synthase (d60n- ipp- ser) with k+
1bl8* Potassium channel (kcsa) from streptomyces lividans (x3)
1bo8* Thymidylate synthase r178t mutant
1bp0* Thymidylate synthase r23i mutant
1bp6* Thymidylate synthase r23i, r179t double mutant
1bpj* Thymidylate synthase r178t, r179t double mutant
1bup* T13s mutant of bovine 70 kilodalton heat shock protein (x2)
1bw9* Phenylalanine dehydrogenase structure in ternary complex with NAD+ and phenylpyruvate (x2)
1bxg* Phenylalanine dehydrogenase structure in ternary complex with NAD+ and beta- phenylpropionate
1bxr* Structure of carbamoyl phosphate synthetase complexed with the atp analog amppnp (x19)
1c1d* L- phenylalanine dehydrogenase structure in ternary complex with nadh and l- phenylalanine (x4)
1c1x* L- phenylalanine dehydrogenase structure in ternary complex with NAD+ and l- 3- phenyllactate (x4)
1c30* Crystal structure of carbamoyl phosphate synthetase: small subunit mutation c269s (x32)
1c35* Solution structure of a quadruplex forming DNA and its intermidiate (x20)
1c38* Solution structure of a quadruplex forming DNA and its intermediate (x20)
1c3o* Crystal structure of the carbamoyl phosphate synthetase: small subunit mutant c269s with bound glutamine (x32)
1c7j* Pnb esterase 56c8
1ce8* Carbamoyl phosphate synthetase from escherichis coli with complexed with the allosteric ligand imp (x28)
1cpe* A cation binding motif stabilizes the compound i radical of cytochromE C peroxidase
1cpg* A cation binding motif stabilizes the compound i radical of cytochromE C peroxidase
1cs0* Crystal structure of carbamoyl phosphate synthetase complexed at cys269 in the small subunit with the tetrahedral mimic l- glutamate gamma- semialdehyde (x33)
1d7r* Crystal structure of the complex of 2,2- dialkylglycine decarboxylase with 5pa
1d7s* Crystal structure of the complex of 2,2- dialkylglycine decarboxylase with dcs
1d7u* Crystal structure of the complex of 2,2- dialkylglycine decarboxylase with lcs
1d7v* Crystal structure of the complex of 2,2- dialkylglycine decarboxylase with nma
1der* The 2.4 angstrom crystal structure of the bacterial chaperonin groel complexed with atp- gamma- s (x14)
1dhp* Dihydrodipicolinate synthase (x2)
1dil* Sialidase from salmonella typhimurium complexed with apana and epana inhibitors
1dim* Sialidase from salmonella typhimurium complexed with epana inhibitor
1dio* Diol dehydratase- cyanocobalamin complex from klebsiella oxytoca (x2)
1dk1* Detailed view of a key element of the ribosome assembly: crystal structure of the s15- rrna complex
1dka* Dialkylglycine decarboxylase structure: bifunctional active site and alkali metal binding sites
1doi* 2fe- 2s ferredoxin from haloarcula marismortui (x6)
1dtw* Human branched- chain alpha- keto acid dehydrogenase (x2)
1dul* Structure of the ribonucleoprotein core of the e. Coli signal recognition particle (x3)
1dz4* Ferric p450cam from pseudomonas putida (x3)
1dz6* Ferrous p450cam from pseudomonas putida (x3)
1dz8* Oxygen complex of p450cam from pseudomonas putida (x3)
1dz9* Putative oxo complex of p450cam from pseudomonas putida (x3)
1e12* Halorhodopsin, a light- driven chloride pump
1eex* Crystal structure of the diol dehydratase- adeninylpentylcobalamin complex from klebsiella oxytoca (x4)
1egm* Crystal structure of diol dehydratase- cyanocobalamin complex at 100k. (x2)
1egv* Crystal structure of the diol dehydratase- adeninylpentylcobalamin complex from klebsella oxytoca under the illuminated condition. (x4)
1ehy* X- ray structure of the epoxide hydrolase from agrobacterium radiobacter ad1 (x4)
1elq* Crystal structure of the cystinE C- s lyasE C- des (x2)
1elu* Complex between the cystinE C- s lyasE C- des and its reaction product cysteine persulfide. (x2)
1eqz* X- ray structure of the nucleosome core particle at 2.5 a resolution (x7)
1eu3* Crystal structure of the superantigen smez- 2 (zinc bound) from streptococcus pyogenes
1f3w* Recombinant rabbit muscle pyruvate kinase (x8)
1f3x* S402p mutant of rabbit muscle pyruvate kinase (x8)
1f7y* The crystal structure of two uucg loops highlights the role played by 2'- hydroxyl groups in its unusual stability
1ffk* Crystal structure of the large ribosomal subunit from haloarcula marismortui at 2.4 angstrom resolution
1ffy* Insights into editing from an ile- tRNA synthetase structure with tRNA(ile) and mupirocin
1fl1* Kshv protease
1fp7* Monovalent cation binding sites in n10- formyltetrahydrofolate synthetase from moorella thermoacetica
1fpi* Fructose- 1,6- bisphosphatase (d- fructose- 1,6- bisphosphate 1- phosphohydrolase) complexed with amp, 2,5- anhydro- d- glucitol- 1,6- bisphosphate and potassium ions (100 mm) (x6)
1fqe* Crystal structures of mutant (k206a) that abolish the dilysine interaction in the n- lobe of human transferrin
1ft7* Aap complexed with l- leucinephosphonic acid
1g31* Gp31 co- chaperonin from bacteriophage t4 (x11)
1g75* Molecular and crystal structure of d(cgcgaatf5ucgcg): 5- formyluridine/ adenosine base- pairs in b- DNA
1g8m* Crystal structure of avian atic, a bifunctional transformylase and cyclohydrolase enzyme in purine biosynthesis at 1.75 ang. Resolution (x2)
1ga9* Crystal structure of ampc beta- lactamase from e. Coli complexed with non- beta- lactamase inhibitor (2, 3- (4- benzenesulfonyl- thiophene- 2- sulfonylamino)- phenylboronic acid)
1geo* Sulfite reductase structure at 1.6 angstrom resolution
1gjv* Branched- chain alpha- ketoacid dehydrogenase kinase (bck) complxed with atp- gamma- s
1gkz* Branched- chain alpha- ketoacid dehydrogenase kinase (bck) complxed with adp
1gmk* Gramicidin/kscn complex (x4)
1gup* Structure of nucleotidyltransferase complexed with udp- galactose (x4)
1guq* Structure of nucleotidyltransferase complexed with udp- glucose (x4)
1gzg* Complex of a mg2- dependent porphobilinogen synthase from pseudomonas aeruginosa (mutant d139n) with 5- fluorolevulinic acid (x2)
1h54* Maltose phosphorylase from lactobacillus brevis (x2)
1h89* Crystal structure of ternary protein- DNA complex2 (x2)
1hc8* Crystal structure of a conserved ribosomal protein- RNA complex (x2)
1hkc* Recombinant human hexokinase type i complexed with glucose and phosphate (x2)
1hpm* How potassium affects the activity of the molecular chaperone hsc70. Ii. Potassium binds specifically in the atpase active site (x2)
1hq1* Structural and energetic analysis of RNA recognition by a universally conserved protein from the signal recognition particle (x3)
1i0o* 1.6 a structure of the a- decamer gcgtatacgc with a single 2'- o- methyl- 3'- methylenephosphonate thymine in place of t6, high k- salt (x3)
1i0p* 1.3 a structure of the a- decamer gcgtatacgc with a single 2'- o- methyl- [tri(oxyethyl)], medium k- salt (x3)
1ih7* High- resolution structure of apo rb69 DNA polymerase (x2)
1ijv* Human beta- defensin- 1
1is7* Crystal structure of rat gtpchi/gfrp stimulatory complex (x10)
1is8* Crystal structure of rat gtpchi/gfrp stimulatory complex plus zn (x10)
1iwb* Crystal structure of diol dehydratase (x6)
1iwp* Glycerol dehydratase- cyanocobalamin complex of klebsiella pneumoniae (x2)
1j51* Crystal structure of cytochrome p450cam mutant (f87w/y96f/v247l/c334a) with 1,3,5- trichlorobenzene (x4)
1j5y* Crystal structure of transcriptional regulator (tm1602) from thermotoga maritima at 2.3 a resolution
1j95* Kcsa potassium channel with tba (tetrabutylammonium) and potassium (x4)
1jbr* Crystal structure of the ribotoxin restrictocin and a 31- mer srd RNA inhibitor (x5)
1jbs* Crystal structure of ribotoxin restrictocin and a 29- mer srd RNA analog (x6)
1jbt* Crystal structure of ribotoxin restrictocin complexed with a 29- mer sarcin/ricin domain RNA analog (x6)
1jci* Stabilization of the engineered cation- binding loop in cytochromE C peroxidase (ccp)
1jdb* Carbamoyl phosphate synthetase from escherichia coli (x29)
1jdr* Crystal structure of a proximal domain potassium binding variant of cytochromE C peroxidase
1jf8* X- ray structure of reduced c10s, c15a arsenate reductase from pi258
1jfv* X- ray structure of oxidised c10s, c15a arsenate reductase from pi258
1jg5* Crystal structure of rat gtp cyclohydrolase i feedback regulatory protein, gfrp (x5)
1jj2* Fully refined crystal structure of the haloarcula marismortui large ribosomal subunit at 2.4 angstrom resolution (x2)
1jjw* Structure of haemophilus influenzae hslv protein at 1.9 a resolution (x3)
1jpq* Crystal structure of the oxytricha telomeric DNA at 1.6a (x5)
1jqf* Human transferrin n- lobe mutant h249q
1jr1* Crystal structure of inosine monophosphate dehydrogenase in complex with mycophenolic acid (x2)
1jrn* Orthorhombic form of oxytricha telomeric DNA at 2.0a (x10)
1jsc* Crystal structure of the catalytic subunit of yeast acetohydroxyacid synthase: a target for herbicidal inhibitors (x2)
1jvj* Crystal structure of n132a mutant of tem- 1 beta- lactamase in complex with a n- formimidoyl- thienamycine (x5)
1jwv* Crystal structure of g238a mutant of tem- 1 beta- lactamase in complex with a boronic acid inhibitor (sefb4) (x5)
1k28* The structure of the bacteriophage t4 cell- puncturing device
1k4c* Potassium channel kcsa- fab complex in high concentration of k+ (x7)
1k4d* Potassium channel kcsa- fab complex in low concentration of k+ (x2)
1k6y* Crystal structure of a two- domain fragment of HIV- 1 integrase (x4)
1k73* Co- crystal structure of anisomycin bound to the 50s ribosomal subunit (x2)
1k8a* Co- crystal structure of carbomycin a bound to the 50s ribosomal subunit of haloarcula marismortui (x3)
1k8p* Structure of the human g- quadruplex reveals a novel topology (x2)
1k9m* Co- crystal structure of tylosin bound to the 50s ribosomal subunit of haloarcula marismortui (x3)
1kax* 70kd heat shock cognate protein atpase domain, k71m mutant (x3)
1kay* 70kd heat shock cognate protein atpase domain, k71a mutant (x3)
1kaz* 70kd heat shock cognate protein atpase domain, k71e mutant (x3)
1kc8* Co- crystal structure of blasticidin s bound to the 50s ribosomal subunit (x3)
1kd1* Co- crystal structure of spiramycin bound to the 50s ribosomal subunit of haloarcula marismortui (x3)
1kee* Inactivation of the amidotransferase activity of carbamoyl phosphate synthetase by the antibiotic acivicin (x32)
1keq* Crystal structure of f65a/y131c carbonic anhydrase v, covalently modified with 4- chloromethylimidazole
1kf1* Structure and packing of human telomeric DNA (x3)
1kf6* E. Coli quinol- fumarate reductase with bound inhibitor hqno (x2)
1kp8* Structural basis for groel- assisted protein folding from the crystal structure of (groel- kmgatp)14 at 2.0 a resolution (x16)
1kqs* The haloarcula marismortui 50s complexed with a pretranslocational intermediate in protein synthesis (x2)
1krj* Engineering calcium- binding site into cytochromE C peroxidase (ccp)
1l1h* Crystal structure of the quadruplex DNA- drug complex (x4)
1l2x* Atomic resolution crystal structure of a viral RNA pseudoknot
1l7u* Ultra high resolution crystal structure of tem- 1 (x4)
1l8h* DNA protection and binding by e. Coli dps protein (x12)
1l8i* DNA protection and binding by e. Coli dps protein (x12)
1lhr* Crystal structure of pyridoxal kinase complexed with atp (x2)
1li0* Crystal structure of tem- 32 beta- lactamase at 1.6 angstrom (x2)
1li9* Crystal structure of tem- 34 beta- lactamase at 1.5 angstrom
1liu* Human erythrocyte pyruvate kinase (x4)
1liw* Human erythrocyte pyruvate kinase: thr384met mutant (x4)
1lix* Human erythrocyte pyruvate kinase: arg486trp mutant (x4)
1liy* Human erythrocyte pyruvate kinase: arg479his mutant (x4)
1ljl* Wild type pi258 s. Aureus arsenate reductase
1lju* X- ray structure of c15a arsenate reductase from pi258 complexed with arsenite
1lk0* Disulfide intermediate of c89l arsenate reductase from pi258 (x2)
1lqk* High resolution structure of fosfomycin resistance protein a (fosa) (x2)
1lqp* Crystal structure of the fosfomycin resistance protein (fosa) containing bound substrate (x2)
1lrt* Crystal structure of ternary complex of tritrichomonas foetus inosine- 5'- monophosphate dehydrogenase: structural characterization of NAD+ site in microbial enzyme (x4)
1lvg* Crystal structure of mouse guanylate kinase in complex with gmp and adp
1lw9* Multiple methionine substitutions are tolerated in t4 lysozyme and have coupled effects on folding and stability
1lwg* Multiple methionine substitutions are tolerated in t4 lysozyme and have coupled effects on folding and stability
1m0n* Structure of dialkylglycine decarboxylase complexed with 1- aminocyclopentanephosphonate
1m0o* Structure of dialkylglycine decarboxylase complexed with 1- amino- 1- methylpropanephosphonate
1m0p* Structure of dialkylglycine decarboxylase complexed with 1- amino- 1- phenylethanephosphonate
1m0q* Structure of dialkylglycine decarboxylase complexed with s- 1- aminoethanephosphonate
1m1k* Co- crystal structure of azithromycin bound to the 50s ribosomal subunit of haloarcula marismortui (x2)
1m40* Ultra high resolution crystal structure of tem- 1 (x4)
1m5h* Formylmethanofuran:tetrahydromethanopterin formyltransferase from archaeoglobus fulgidus (x24)
1m6h* Human glutathione- dependent formaldehyde dehydrogenase (x2)
1m6v* Crystal structure of the g359f (small subunit) point mutant of carbamoyl phosphate synthetase (x26)
1m6w* Binary complex of human glutathione- dependent formaldehyde dehydrogenase and 12- hydroxydodecanoic acid (x2)
1m90* Co- crystal structure of cca- phe- caproic acid- biotin and sparsomycin bound to the 50s ribosomal subunit (x2)
1m9n* Crystal structure of the homodimeric bifunctional transformylase and cyclohydrolase enzyme avian atic in complex with aicar and xmp at 1.93 angstroms. (x2)
1ma0* Ternary complex of human glutathione- dependent formaldehyde dehydrogenase with NAD+ and dodecanoic acid (x2)
1mas* Purine nucleoside hydrolase (x2)
1mc5* Ternary complex of human glutathione- dependent formaldehyde dehydrogenase with s- (hydroxymethyl)glutathione and nadh
1me7* Inosine monophosphate dehydrogenase (impdh) from tritrichomonas foetus with rvp and moa bound
1me8* Inosine monophosphate dehydrogenase (impdh) from tritrichomonas foetus with rvp bound
1me9* Inosine monophosphate dehydrogenase (impdh) from tritrichomonas foetus with imp bound
1meh* Inosine monophosphate dehydrogenase (impdh) from tritrichomonas foetus with imp and moa bound
1mei* Inosine monophosphate dehydrogenase (impdh) from tritrichomonas foetus with xmp and mycophenolic acid bound
1mew* Inosine monophosphate dehydrogenase (impdh) from tritrichomonas foetus with xmp and NAD bound
1mgy* Structure of the d85s mutant of bacteriorhodopsin with bromide bound
1mji* Detailed analysis of RNA- protein interactions within the bacterial ribosomal protein l5/5s rrna complex (x2)
1mmf* Crystal structure of substrate free form of glycerol dehydratase (x2)
1mp0* Binary complex of human glutathione- dependent formaldehyde dehydrogenase with NAD(h) (x2)
1mpw* Molecular recognition in (+)- a- pinene oxidation by cytochrome p450cam (x2)
1mwf* An immunosuppressive agent forms a transition state analog complex of imp dehydrogenase (x8)
1mxa* S- adenosylmethionine synthetase with ppi (x2)
1mxb* S- adenosylmethionine synthetase with adp (x2)
1mxc* S- adenosylmethionine synthetase with 8- br- adp (x2)
1n0h* Crystal structure of yeast acetohydroxyacid synthase in complex with a sulfonylurea herbicide, chlorimuron ethyl (x2)
1n0x* Crystal structure of a broadly neutralizing anti- HIV- 1 antibody in complex with a peptide mimotope
1n2t* C- des mutant k223a with gly covalenty linked to the plp- cofactor (x2)
1n31* Structure of a catalytically inactive mutant (k223a) of c- des with a substrate (cystine) linked to the co- factor (x2)
1n7a* Rip- radiation- damage induced phasing (x9)
1n7b* Rip- radiation- damage induced phasing (x9)
1n8r* Structure of large ribosomal subunit in complex with virginiamycin m
1nf7* Ternary complex of the human type ii inosine monophosphate dedhydrogenase with ribavirin monophosphate and c2- mycophenolic adenine dinucleotide (x2)
1nhi* Crystal structure of n- terminal 40kd mutl (ln40) complex with adpnp and one potassium
1ni4* Human pyruvate dehydrogenase (x2)
1nji* Structure of chloramphenicol bound to the 50s ribosomal subunit (x2)
1nki* Crystal strucure of the fosfomycin resistance protein a (fosa) containing bound phosphonoformate (x2)
1nxy* Crystal structure of the complex between m182t mutant of tem- 1 and a boronic acid inhibitor (sm2)
1ny0* Crystal structure of the complex between m182t mutant of tem- 1 and a boronic acid inhibitor (nbf)
1nym* Crystal structure of the complex between m182t mutant of tem- 1 and a boronic acid inhibitor (cxb) (x3)
1nzm* Nmr structure of the parallel- stranded DNA quadruplex d(ttagggt)4 complexed with the telomerase inhibitor rhps4 (x2)
1o07* Crystal structure of the complex between q120l/y150e mutant of ampc and a beta- lactam inhibitor (mxg) (x2)
1o76* Cyanide complex of p450cam from pseudomonas putida (x3)
1o90* Methionine adenosyltransferase complexed with a l- methionine analogous (x2)
1o92* Methionine adenosyltransferase complexed with adp and a l- methionine analogous (x2)
1o93* Methionine adenosyltransferase complexed with atp and a l- methionine analogous (x2)
1o9t* Methionine adenosyltransferase complexed with both substrates atp and methionine (x2)
1obf* The crystal structure of glyceraldehyde 3- phosphate dehydrogenase from alcaligenes xylosoxidans at 1.7 resolution. (x2)
1ols* Roles of his291- alpha and his146- beta' in the reductive acylation reaction catalyzed by human branched- chain alpha- ketoacid dehydrogenase (x2)
1olu* Roles of his291- alpha and his146- beta' in the reductive acylation reaction catalyzed by human branched- chain alpha- ketoacid dehydrogenase (x2)
1olx* Roles of his291- alpha and his146- beta' in the reductive acylation reaction catalyzed by human branched- chain alpha- ketoacid dehydrogenase (x2)
1ooy* Succinyl- coa:3- ketoacid coa transferase from pig heart (x4)
1ooz* Deletion mutant of succinyl- coa:3- ketoacid coa transferase from pig heart (x3)
1ope* Deletion mutant of succinyl- coa:3- ketoacid coa transferase from pig heart (x2)
1oqh* Crystal structure of the r124a mutant of the n- lobe human transferrin
1orq* X- ray structure of a voltage- dependent potassium channel in complex with an fab (x6)
1ovl* Crystal structure of nurr1 lbd (x8)
1oz0* Crystal structure of the homodimeric bifunctional transformylase and cyclohydrolase enzyme avian atic in complex with a multisubstrate adduct inhibitor beta- dadf. (x2)
1p2l* T4 lysozyme core repacking mutant v87i/ta
1p2r* T4 lysozyme core repacking mutant i78v/ta
1p36* T4 lyoszyme core repacking mutant i100v/ta
1p37* T4 lysozyme core repacking back- revertant l102m/core10
1p3n* Core redesign back- revertant i103v/core10
1p46* T4 lysozyme core repacking mutant m106i/ta
1p4r* Crystal structure of human atic in complex with folate- based inhibitor bw1540u88ud (x2)
1p64* T4 lysozyme core repacking mutant l133f/ta
1p6y* T4 lysozyme core repacking mutant m120y/ta
1p79* Crystal structure of a bulged RNA tetraplex: implications for a novel binding site in RNA tetraplex (x3)
1p7b* Crystal structure of an inward rectifier potassium channel (x4)
1p7l* S- adenosylmethionine synthetase complexed with amppnp and met. (x4)
1p9e* Crystal structure analysis of methyl parathion hydrolase from pseudomonas sp wbc- 3 (x4)
1pcq* Crystal structure of groel- groes (x7)
1pi4* Structure of n289a mutant of ampc in complex with sm3, a phenylglyclboronic acid bearing the cephalothin r1 side chain (x2)
1pi5* Structure of n289a mutant of ampc in complex with sm2, carboxyphenylglycylboronic acid bearing the cephalothin r1 side chain (x2)